Problem after unlocking bootloader - Bricked? - Moto G Q&A, Help & Troubleshooting

Hey guys, how are you?
Well, I wished to root my Moto G, so I (tryed?) to unlock the bootloader. Alright, done it, but then I ran into some trouble...
After the booting up, everything started forceclosing and since then, when I try to boot it, I get a black screen after the Motorola logo.
Now, I am really really worried about my phone. I got it a month ago. I'm so afraid I really f****d up my phone right now that my hands are shaking.
I'm new to Android, so sorry if the solution is pretty obvious. And if it's not, could explain it very carefully to me? I don't know what to do.
My best wishes to you, guys.

I'm assuming you used superboot if so that would happen.
The logo sort of blured out right just press volume down and power and it would work
Or did this happen when you were just trying to unlock bootloader?

TomGlass1 said:
I'm assuming you used superboot if so that would happen.
The logo sort of blured out right just press volume down and power and it would work
Or did this happen when you were just trying to unlock bootloader?
Click to expand...
Click to collapse
Yeah, that happenned when I was trying to unlcok bootloader.
And well, my computer now doesn't even recognizes my phone.
EDIT: It appears as "Fastboot falcon S" in the Device Manager. Tried installing some drivers I found in the Internet, but it didn't work.

Explain exactly what happened please. Was the unlock successful and did you just bootup normally after or did u do anything else in fastboot mode? Why are you trying to install fastboot drivers again, as you already wouldve had them to unlock the bootloader. Did you try installing recovery or some root img from fastboot? You said its forceclosing, but it isnt starting at all now?
Some things you can do right now (if your bootloader is unlocked) is to flash a recovery (twrp,cwm) through fastboot and if you think most system files (or settings) are beyond repair, flash your firmware version though fastboot. Will point you to the guides for them, but post more info if you want help.

hemanthmahesh said:
Explain exactly what happened please. Was the unlock successful and did you just bootup normally after or did u do anything else in fastboot mode? Why are you trying to install fastboot drivers again, as you already wouldve had them to unlock the bootloader. Did you try installing recovery or some root img from fastboot? You said its forceclosing, but it isnt starting at all now?
Some things you can do right now (if your bootloader is unlocked) is to flash a recovery (twrp,cwm) through fastboot and if you think most system files (or settings) are beyond repair, flash your firmware version though fastboot. Will point you to the guides for them, but post more info if you want help.
Click to expand...
Click to collapse
Alright, just after I unlocked, when I was booting, I got a message saying that "xxxx has stopped working/failed to initialize/something like that". And then, when I rebooted, I got the usual message of the "bootlocker has been unlocked". After that, the Motorola logo started animating, but then I just got a black screen. I can't turn it off and the battery just got depleted (I'm charging right now).
When I try to connect it in my computer, the PC recognizes it as "MTP Device" or "Fastboot falcon S" when fastbooted. I can't install any drivers and the Motorola Device Manager doesn't recognizes it either.
Well, if there is some missing information, just ask me. I tried to describe my problem the best I could. Anyway, sorry for my bad English and thanks in advance for any effort trying to discover what's wrong.

Motorola Device Manager isn't helpful in this state as it doesn't handle things in fastboot. You already have all the required drivers (fastboot falcon S is the right driver afaik, falcon being motog codename) for flashing your stock firmware.
1. First, you can try the "Factory" option in bootloader (the third one, use volume down to move selector, volume up to select), though this might not really work for major issues.
2. When in fastboot mode, use "fastboot getvar all" to get the firmware details if you already didn't know about it.
3. Otherwise if yours is a standard gsm (non dualsim/non cdma), just download Blur_Version.174.44.9.falcon_umts.Retail.en.GB (UK stock for gsm, 4.4.2)
Download the mfastboot files to use rather than fastboot for flashing. You might need to modify your commands a bit for various firmwares.
http://forum.xda-developers.com/showthread.php?p=47820707 (refer this thread for flashing your stock firmware)
All the firmwares are in either of the links below (all around 400mb):
http://sbf.droid-developers.org/phone.php?device=14
(or)
http://www.filefactory.com/folder/c6cdedc45a775d27
I still don't get why many ppl are getting these errors after unlocking, very bad unlock method of moto if so ( I didnt get any such issues though).

When I use the "fastboot getvar all" command, it says "waiting for device". The phone is already connected, but the Moto G doesn't recognizes it's connected either.
I'm getting more and more afraid I really hardbricked it.

http://www.mymotocast.com/download/MDM?platform=windows
Tried installing these drivers? Your fastboot doesn't seem to be setup properly. How did you unlock without a working fastboot driver? You are trying that command in bootloader mode right?

Already installed it from the start. The message I got is always this:
"There aren't any updates for your device at the moment
Current Version: N/A"
My fastboot: Doesn't matter the operation I do, I always get this <waiting for device> and the phone is already connected into the computer. And the phone doesn't recognizes it is connected too.
And greeeeat news: my phone now doesn't charges either. I get stuck on a screen with a battery logo and 0%, when connected to the charger. Still, I still can access the fastboot mode. Well, am I lucky or not?

I'm pretty confused with this. How exactly did you unlock without a working fastboot (no waiting for device issue)? Did you change your pc drivers after unlock or trying this from a different pc? When you say "phone doesn't recognizes it is connected" you mean it says "Connect USB data cable" below "Device is UNLOCKED"? If so, maybe try another usb port cause it should normally say "Transfer Mode: USB Connected" regardless of proper drivers.
Your phone will chrarge no matter what though, no worry about that. It needs to say "Battery OK (Charging)" when connected to PC
No, as long as you have working your device isn't technically bricked in any sense. Don't worry, get that fastboot working again and anything can be fixed.
Also you didnt say whether or not you tried that "Factory" option in bootloader!

hemanthmahesh said:
I'm pretty confused with this. How exactly did you unlock without a working fastboot (no waiting for device issue)? Did you change your pc drivers after unlock or trying this from a different pc? When you say "phone doesn't recognizes it is connected" you mean it says "Connect USB data cable" below "Device is UNLOCKED"? If so, maybe try another usb port cause it should normally say "Transfer Mode: USB Connected" regardless of proper drivers.
Your phone will chrarge no matter what though, no worry about that. It needs to say "Battery OK (Charging)" when connected to PC
No, as long as you have working your device isn't technically bricked in any sense. Don't worry, get that fastboot working again and anything can be fixed.
Also you didnt say whether or not you tried that "Factory" option in bootloader!
Click to expand...
Click to collapse
OMG. I tried that "Factory" option before but it didn't work. Now I tried a second time and it worked. Thanks a lot! Really :laugh:
Anyway, now my phone is back again and rooted. Thanks for the help, guys!

Thaiane said:
Already installed it from the start. The message I got is always this:
"There aren't any updates for your device at the moment
Current Version: N/A"
My fastboot: Doesn't matter the operation I do, I always get this <waiting for device> and the phone is already connected into the computer. And the phone doesn't recognizes it is connected too.
And greeeeat news: my phone now doesn't charges either. I get stuck on a screen with a battery logo and 0%, when connected to the charger. Still, I still can access the fastboot mode. Well, am I lucky or not?
Click to expand...
Click to collapse
Guys the problem occurs due to corruption of /data folder. Even I had the same issue.
What you can do is
1. Connect your phone to PC in fastboot mode.
2. In fastboot, enter the command "adb erase userdata" and "adb erase cache" without quotes and reboot you phone. It will work for most of the devices, if it doesn't I have some other workaround too.

help
forgotter said:
Guys the problem occurs due to corruption of /data folder. Even I had the same issue.
What you can do is
1. Connect your phone to PC in fastboot mode.
2. In fastboot, enter the command "adb erase userdata" and "adb erase cache" without quotes and reboot you phone. It will work for most of the devices, if it doesn't I have some other workaround too.
Click to expand...
Click to collapse
I have the same problem. my phone stuck in blank screen after Unlock Bootloader. and then I try to do "adb erase userdata" and "adb erase cache". but my phone has no chenge, still stuck in.
I attach log when enter command adb above.
I'm sorry before. I can't spech English well

jidurrr said:
I have the same problem. my phone stuck in blank screen after Unlock Bootloader. and then I try to do "adb erase userdata" and "adb erase cache". but my phone has no chenge, still stuck in.
I attach log when enter command adb above.
I'm sorry before. I can't spech English well
Click to expand...
Click to collapse
The log you have posted contains only the help commands of adb and not the actual commands you gave.
Give a try to factory reset from fastboot mode on your phone. And do you a custom recovery installed in your phone?

forgotter said:
The log you have posted contains only the help commands of adb and not the actual commands you gave.
Give a try to factory reset from fastboot mode on your phone. And do you a custom recovery installed in your phone?
Click to expand...
Click to collapse
I've tried factory reset for several times, but no change as well.
yes, I get a CWM in my phone. and then, what have I do?

jidurrr said:
I've tried factory reset for several times, but no change as well.
yes, I get a CWM in my phone. and then, what have I do?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2704207
Go to the above forum.
Sorry for late reply was busy with studies.

I had flash stock firmware
through PC

Related

Xoom Wifi "Failed image LNX 0x0002 / RSD mode 2"

Hey everyone. I figured id make an official thread,although a thread a few down is very similar but still quite different.
I attempted to re-lock my XOOM wifi and I got the error.
-only able to get into RSD mode 2 or Fastboot protocol
-pc will not recognize through adb or RSD 5.0
-tried various command and no luck
-Screen wont turn off unless battery dies.
- reinstalled sdk, drivers etc.
I might of missed a few details, but ive been all around the forums and have yet to see a solution for this other than send it to Motorola. Ha just curious to whether anyone could shed a little more light on this situation. Not being able to RSD or adb seems like a bad situation, even if we did have that darn sbf id still be stuck! Thanks guys!
Sent from my DROIDX using Tapatalk
Try to get the xoom back into fastboot by rebooting (vol up + power) and then immediately holding vol down + power until the fastboot screen comes up. From there try pushing system and boot .img's through fastboot. Then you should be able to reunlock from the fastboot command on your pc. There is no way that I know of to re-lock a wifi only xoom as of yet.
Yeah, my bootloader screen says that im "Starting Fastboot protocol service" but I get no response from my PC. I've never had problems with adb recognizing my xoom before this. Its like the drivers arent even compatible with the device anymore?? For craps i attempted to send some commands through adb even though it didnt recognize the device, and had no luck. ADB simply replies "waiting for device" for all of them.
try reloading your moto drivers
Make sure you aren't using a front panel port. I had thus problem for ages, XOOM is a power hog. As for the LNX failure its the result of relocking with an invalid image, don't do it.
Sent from my HTC Desire using Tapatalk
Yeah, i spent days trying to figure that one out with the front ports vs. the back ports with my droid. I could never get it to remount in RSD when flashing a .sbf.
Thanks for the heads up though. Im not sure what made me think that it would be ok. My failure to do some research always lands me in pretty much the same spot! Here.
I reloaded all the drivers ect and have been unable to get anything. My droid works great, but no xoom.
Had this exact thing happen to me today. What fixed it for me was
- boot into fastboot (Power+Vol Up then immediately hold Vol Down until you see it display the fastboot message) and push the stock boot/system images found all over this forum for your model (Wifi/3G)
Now obviously your ADB isn't seeing your device... neither was mine
- Go under Device Manager on your PC and uninstall your Motorola drivers from whatever devices are listed
- Do a fresh install of the Moto Drivers and restart your PC
- Run, 'fastboot oem lock' to allow RSD to do it's work
That's what it took for me. If that fails, unplug your Xoom from the PC and set to debug mode, then plug back in and let Windows find your drivers. Windows could take some time, and actually took me unplugging/replugging twice until it decided it found them.
RSD is a load of junk, but when it works it's like the miracle worker =P Good luck and keep your head up! These things are harder than people think to completely wreck =)
Xezuka said:
Had this exact thing happen to me today. What fixed it for me was
- boot into fastboot (Power+Vol Up then immediately hold Vol Down until you see it display the fastboot message) and push the stock boot/system images found all over this forum for your model (Wifi/3G)
Now obviously your ADB isn't seeing your device... neither was mine
- Go under Device Manager on your PC and uninstall your Motorola drivers from whatever devices are listed
- Do a fresh install of the Moto Drivers and restart your PC
- Run, 'fastboot oem lock' to allow RSD to do it's work
That's what it took for me. If that fails, unplug your Xoom from the PC and set to debug mode, then plug back in and let Windows find your drivers. Windows could take some time, and actually took me unplugging/replugging twice until it decided it found them.
RSD is a load of junk, but when it works it's like the miracle worker =P Good luck and keep your head up! These things are harder than people think to completely wreck =)
Click to expand...
Click to collapse
Just curiousity, if we can't boot our xoom, how can we enable USB debug mode?
This is the same of my problem:
http://forum.xda-developers.com/showthread.php?t=1052762
tritran18518 said:
Just curiousity, if we can't boot our xoom, how can we enable USB debug mode?
Click to expand...
Click to collapse
Sorry I guess I didn't mean to set it to Debug from the Xoom, but as in to remove it and boot into Fastboot. Then plug it back in and allow Windows to install the drivers.
I had a hard time getting it to work, but after uninstalling and reinstalling the drivers, it recognized it and allowed me to flash the SBF.
Correct me if I'm wrong here! It's what worked for me. My Xoom went down like this and I resurrected it this way. Been working flawlessly on Tiamat 1.3.1 ever since.
Sorry guys, but the condition I'm in is becoming popular lately. I'm able to get the XOOM wi/fi to show "starting fastboot protocol" but absolutley no recognition on the pc. RSD or ADB. Therefore all commands sent from the ADB simply respond with "waiting for device" and unable to flash any images onto the device. Its in a real brick mode. At least for the time being with the lack of software communication on the pc and no .sbf yet. I sent the device into motorola for repair. They said the repair would be under the warranty and free of cost. I was honest as well, telling the repp I had unlocked the device and attempted to re-lock. Thanks for all the suggestions and input guys.
follow up?
hello i am curious what happened with your returned brick? did moto replace it?
I ask because i have the exact same issue and have gone through all the suggestions.
same error, cannot get into fastboot, no adb, no RSD, nothing. tried the various vol power button combos etc. no recognition on PC at all. yes i re-installed drivers etc etc etc... i have been reading...
it seems only option is to wait on SBF or return?
Yeah the only solution would be an sbf flash. But even with that i do not know how because the RSD lite does not recognize the device either.I simply placed an order online, they sent a box the next day, sent it and got it back in two days. Extremely fast. I told the tech rep over the phone that i had unlocked the device and and then downloaded an app that starting causing for restarts and so i attempted to re-lock the device and from there it was officially a true brick. I was honest and they seem to be very understanding. Im sure they understand that the lack of support for the device is evident and we are all beta testers. SO let em know whats going on. I also let him know i was a developer, whether it mattered or not i dont know, but i was just being honest. Its all covered under warranty he said. I didnt pay a penny
OK well its good to know I am totally screwed!!! thanks for the reply...
I told the rep on the phone what I did but I don't think he had any clue what I was talking about... he asked to me to reboot with vol up, then try to boot into fastboot, but didn't once say fastboot, just said vol down, then said he would send me a shipping box.
Get it today!!
I am in this situation after trying to re-lock in order to install the 3.1 update. I tried re-installing and updating the Moto drivers, rebooting etc but I can't get my PC to recognise the device in fastboot or RSD. I am on a stock Canadian ROM (but unlocked obviously).
I have sent an email to Motorola and been honest with them. Will see what they say.
That's the thing - moto provides all the tools to relock for US ONLY! There is no official way for canadians, which makes no sense. So us canadians can unlock no problem, but cannot relock, yet US units can? Strange to me...
chaz03 said:
Yeah the only solution would be an sbf flash. But even with that i do not know how because the RSD lite does not recognize the device either.I simply placed an order online, they sent a box the next day, sent it and got it back in two days. Extremely fast. I told the tech rep over the phone that i had unlocked the device and and then downloaded an app that starting causing for restarts and so i attempted to re-lock the device and from there it was officially a true brick. I was honest and they seem to be very understanding. Im sure they understand that the lack of support for the device is evident and we are all beta testers. SO let em know whats going on. I also let him know i was a developer, whether it mattered or not i dont know, but i was just being honest. Its all covered under warranty he said. I didnt pay a penny
Click to expand...
Click to collapse
Try rsdlite 4.9 or earlier it should see it then.
I tried RSD 4.9 and no luck. I think it just doesn't work with Wi-Fi only zooms.
Sent from my Nexus S using XDA App
footboydog said:
I tried RSD 4.9 and no luck. I think it just doesn't work with Wi-Fi only zooms.
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
Anyone who locked the zoom back and now can't boot, try my instructions from another thread...
1) Turn the xoom on and leave it plugged into USB. 2) When it says Starting RSD Mode 2, type the following in your command prompt in windows "fastboot oem unlock"
*Make sure you are typing these commands within the directory where your fastboot and .img's are located. ( I dropped mine in C:\Android-sdk\platform-tools\*The Xoom will not respond initially and your command prompt will say "waiting for device".
3) Hold the power button and volume up to reset the xoom. The fastboot command should intercept the xoom booting and take you to the unlock prompt again. Follow the on screen instruction.
*This will wipe the device again, which I'm assuming you did when you locked it with a custom kernel (boot.img)
After it is completed, type "fastboot reboot" in windows command prompt or just reboot however you can.
crushsuitandtie said:
Anyone who locked the zoom back and now can't boot, try my instructions from another thread...
1) Turn the xoom on and leave it plugged into USB. 2) When it says Starting RSD Mode 2, type the following in your command prompt in windows "fastboot oem unlock"
*Make sure you are typing these commands within the directory where your fastboot and .img's are located. ( I dropped mine in C:\Android-sdk\platform-tools\*The Xoom will not respond initially and your command prompt will say "waiting for device".
3) Hold the power button and volume up to reset the xoom. The fastboot command should intercept the xoom booting and take you to the unlock prompt again. Follow the on screen instruction.
*This will wipe the device again, which I'm assuming you did when you locked it with a custom kernel (boot.img)
After it is completed, type "fastboot reboot" in windows command prompt or just reboot however you can.
Click to expand...
Click to collapse
I have just tried this and still no luck. Fastboot just sits there with the "waiting for device" message and the Xoom just boots with the "Starting RSD mode 2" message. I also tried your suggestion with rebooting into fastboot mode by holding the vol down button and that doesn't work either.
BTW I don't have a custom boot.img. I am on a stock ROM but I just had the bootloader unlocked.
Incidentally I have tried RSD lite 4.8, 4.9 and 5.0 now and none work.

[Q] Can't unbrick. Tried nigh everything.

Greetings! First of all, I would like to thank anyone who takes the time to help me diagnose and resolve this issues, let alone anyone who takes the time to read this thread.
I've been having issues with my Xoom (ICS 4.0.0) for about 3 weeks now.
A brief history of the issue's occurrence:
-I unrooted the device and returned it to stock.
-Everything was fine and dandy until one day it spontaneously said something along the lines of 'Android is upgrading..', and then performed a reset.
-Since resetting, it bootloops.
The device only turns on when plugged into a charger and hard reset.
The device only turns off when allowed to boot loop for minutes and then hard reset (it simply does not reset, and just turns off).
I'm not the most technically-savvy person with android devices but here are some things I've done/noted.
When trying to use adb commands, it does not recognize the device or properly issue commands.
I've tried wiping data/clearing cache to no avail.
EDIT: I've tried fastbooting, but the bootloader will not unlock. When trying to unlock, it simply resets and then acts as though it was never unlocked.
I have no idea how to return it to a stock image. All I know is that I have a micro-SD and some spare time.
Could anyone help me understand what exactly is going on with my Xoom?
If I can provide you with any more information, please let me know.
Thanks again. (=
If it was stock and spontaneously upgraded it sounds like a bad OTA upgrade. I've been rooted from the start so never have taken an OTA upgrade...don't you need to accept it or can it just upgrade on it's own?
Anyway, can you get it into fastboot mode?
Volume up and power, then at dual core screen, press volume down...if you see something like "entering fastboot mode" you're not bricked. You do not have to re lock your bootloader. Just make sure you have downloaded the correct stock files for your Xoom model to your PC and flash it.
If you haven't done so, just google 'recovering Xoom using fastboot' and you should get some good information.
Good luck!
Remember to grab the MZ604 files if you have the Wifi only version of the Xoom.
http://developer.motorola.com/products/software/ <------ Grab the files here. The files are for the US version of the Wifi Xoom only.
Instructions to return it to stock
1) First you need the Moto Drivers - Read this thread to START you - http://forum.xda-developers.com/showthread.php?t=981578
Should have these drivers installed if you have rooted your Xoom before.
2) Make sure you have the latest SDK - adb and fastboot should be in /platform-tools -
http://developer.android.com/sdk/index.html
Should have the android SDK if you have rooted your Xoom before.
3) Place all the downloaded stock image files into the SDK Tools folder.
4) If you are booting up from scratch, you can get the Xoom in fastboot mode by doing the following. Use command prompt to perform the rest of the steps
Hold VolDown and Power button will boot unit for fastboot mode
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash recovery recovery.img
fastboot flash userdata userdata.img
fastboot erase cache
fastboot oem lock
If you Xoom is booted up already follow the commands below using command prompt to perform the steps
adb reboot bootloader <---- reboots the Xoom into fastboot mode.
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash recovery recovery.img
fastboot flash userdata userdata.img
fastboot erase cache
fastboot oem lock
As Always If This Was Helpful Hit the Thanks!
Yeah, what Mjamocha said...
okantomi said:
Yeah, what Mjamocha said...
Click to expand...
Click to collapse
LOL Thanks.
okantomi said:
Anyway, can you get it into fastboot mode?
Click to expand...
Click to collapse
Yes, I can. But so far nothing has been successful in terms of fastboot commands.
okantomi said:
You do not have to re lock your bootloader. Just make sure you have downloaded the correct stock files for your Xoom model to your PC and flash it.
Click to expand...
Click to collapse
When I try to execute fastboot commands such as 'fastboot flash boot boot.img'.. it says the following:
Device still locked. Device must be unlocked first. Failed to process command error(0x8)
Whenever I try to unlock the bootloader, it appears to be successful at first and then the device reboots. But it just reboots to a bootloop, and the bootloader still says its locked. Perhaps I made a mistake in communication. The bootloader is currently locked and will not unlock, as just described.
When I try to unlock it and it reboots, even if I access the fastboot menu right away, it still says the device is still locked.
Thoughts?
Can you get into recovery? With the Xoom off (to make sure it's really off, hold volume up + power for a few seconds), hit the power button and when you see the M logo, wait a very brief moment (like a fraction of a second) and hit the volume down button. When it says "recovery" on the top left, hit the volume up. If you can get in there, either restore a nandroid (if you have one) or do a factory reset.
slacka-vt said:
Can you get into recovery? With the Xoom off (to make sure it's really off, hold volume up + power for a few seconds), hit the power button and when you see the M logo, wait a very brief moment (like a fraction of a second) and hit the volume down button. When it says "recovery" on the top left, hit the volume up. If you can get in there, either restore a nandroid (if you have one) or do a factory reset.
Click to expand...
Click to collapse
Yes, I can get into android recovery. However, within a second of switching into recovery mode, the robot falls down and there appears to be a red triangle caution sign containing an exclamation point.
When trying to do a factory reset, it says all data is wiped (as normal). Upon rebooting, it continues to bootloop. So essentially the factory reset and cache clear options in the Android Recovery menu do not produce the expected results.
Pretty odd. I didn't mess with the Xoom at all prior to this issue.
Try flashing just a recovery img to hopefully get your recovery working again. I think you can flash a custom recovery even if the bootloader is locked (i could be wrong but worth a shot) I attached the Rogue "recovery-rogue-1.3.0.img". Try a "fastboot flash recovery recovery-rogue-1.3.0.img"
EDIT: Sorry, I guess you can't flash a custom recovery with a locked bootloader.
slacka-vt said:
Try flashing just a recovery img to hopefully get your recovery working again. I think you can flash a custom recovery even if the bootloader is locked (i could be wrong but worth a shot) I attached the Rogue "recovery-rogue-1.3.0.img". Try a "fastboot flash recovery recovery-rogue-1.3.0.img"
EDIT: Sorry, I guess you can't flash a custom recovery with a locked bootloader.
Click to expand...
Click to collapse
Yeah, just tried it to no avail. Thanks so much for your help anyway. (=
I'm not sure what to do now.
I would keep trying to unlock it using different USB cables and different USB ports on your computer. I've had unlocks fail a bunch of times and for some reason, it was because of a $hity USB cable and/or a bad port on my computer.
slacka-vt said:
I would keep trying to unlock it using different USB cables and different USB ports on your computer. I've had unlocks fail a bunch of times and for some reason, it was because of a $hity USB cable and/or a bad port on my computer.
Click to expand...
Click to collapse
I hear ya. I've tried 2 different cords and 3 different computers. I'm using a Mac (10.6.8) right now, but have used 2 PCs (Vista + 7).
Out of curiosity, when you tried to flash the custom recovery, did you get the same "device still locked" error or did it appear to flash but then recovery failed?
slacka-vt said:
Out of curiosity, when you tried to flash the custom recovery, did you get the same "device still locked" error or did it appear to flash but then recovery failed?
Click to expand...
Click to collapse
I got the 'device still locked' error. Weird, huh?
How about trying to lock it again even though it says it's locked -maybe it's stuck in an "in-between state"? Try a "fastboot oem lock" and if it finishes then try a "fastboot oem unlock". I know, I'm grabbing at straws here. I thought I bricked my Xoom last week. All I did was an "adb reboot bootloader" and the device went to a black screen. Volume Up + Power did nothing. I ended up buying a T5 (Torx 5) bit at the store, removed the back cover and disconnected the battery for 30 seconds using a piece of paper to separate the contacts. The Xoom booted right up after that.
slacka-vt said:
How about trying to lock it again even though it says it's locked -maybe it's stuck in an "in-between state"? Try a "fastboot oem lock" and if it finishes then try a "fastboot oem unlock". I know, I'm grabbing at straws here. I thought I bricked my Xoom last week. All I did was an "adb reboot bootloader" and the device went to a black screen. Volume Up + Power did nothing. I ended up buying a T5 (Torx 5) bit at the store, removed the back cover and disconnected the battery for 30 seconds using a piece of paper to separate the contacts. The Xoom booted right up after that.
Click to expand...
Click to collapse
Yeah I tried that. Won't lock or unlock successfully. Locking produces no difference, and unlocking produces the same 'device still locked' error. This is getting out of hand! Thanks so much for your advice. You think I should open it up?
I hate to be so persistently annoying about this, but could anyone possibly suggest a method of working around the locked bootloader?
Is there anything I can do with an SD card to remedy the device's stubborn foolery?
I think you should give it a try, I have bricked my xoom a few times and have always been able to flash the stock imagine to recover. You really have nothing to lose by pulling the battery pin just be careful.
Sent from my Xoom using xda premium
I don't know if I'm technically-equipped enough to do that. )=
Sounds easy, but I imagine it would be rather easy to screw something up? Essentially what I should do is unseat the battery, right?
cherlamperter said:
I don't know if I'm technically-equipped enough to do that. )=
Sounds easy, but I imagine it would be rather easy to screw something up? Essentially what I should do is unseat the battery, right?
Click to expand...
Click to collapse
I have looking for a utube how to guide but no luck, I just might make one for you so you will know what to expect. Give me a few and I will get back to ya.
Sent from my Xoom using xda premium

[Q] Nexus 5 died in the night. Fastboot works, but recovery is a black screen.

Hi all, first time posting here.
Last night my Nexus 5 turned itself off while charging. Today it won't boot past the white Google logo. I had an unlocked bootloader, but was stock with no root and no custom rom, 5.1.1. I've had the phone for over a year, and bought it from a high street UK phone chain on contract, not from the Play Store.
I've spent the last 6 hours learning, trying, reading, trying again, watching videos, trying not to punch things, but nothing works.
Here's what I know:
I can boot into fastboot mode
bootloader is unlocked
recovery mode is a permanent black screen
"adb devices" cmd in platform-tools does not find the device
I've tried tweaking Windows 7 drivers (driver for fastboot etc.) but to no avail (including using clockwork)
"fastboot devices" returns the serial code for my phone
flashing using fastboot commands gives me "flash write failure" on bootloader-hammerhead xxx .img
even "fastboot erase boot" does not work ("failed to erase partition")
"fastboot reboot-bootloader" simply turns the phone off (does not attempt even a normal reboot)
Unless I'm in some weird driver quandary, I fear my phone may be beyond help as even simple commands do not work. Any help is much appreciated.
I should mention that "flash-all" doesn't work within platform-tools.
The reboot doesn't actually work. When it says "waiting for device" I manually restart the phone into fastboot myself. And then I get write errors, when it's starts pushing the radio file.
imgur . com / eBk4KnX.png
Pete.D said:
Hi all, first time posting here.
Last night my Nexus 5 turned itself off while charging. Today it won't boot past the white Google logo. I had an unlocked bootloader, but was stock with no root and no custom rom, 5.1.1. I've had the phone for over a year, and bought it from a high street UK phone chain on contract, not from the Play Store.
I've spent the last 6 hours learning, trying, reading, trying again, watching videos, trying not to punch things, but nothing works.
Here's what I know:
I can boot into fastboot mode
bootloader is unlocked
recovery mode is a permanent black screen
"adb devices" cmd in platform-tools does not find the device
I've tried tweaking Windows 7 drivers (driver for fastboot etc.) but to no avail (including using clockwork)
"fastboot devices" returns the serial code for my phone
flashing using fastboot commands gives me "flash write failure" on bootloader-hammerhead xxx .img
even "fastboot erase boot" does not work ("failed to erase partition")
"fastboot reboot-bootloader" simply turns the phone off (does not attempt even a normal reboot)
Unless I'm in some weird driver quandary, I fear my phone may be beyond help as even simple commands do not work. Any help is much appreciated.
Click to expand...
Click to collapse
Did you try locking the bootloader, and then unlocking it again?
Oh god , I think you have a hard bricked nexus .
Schoat333 said:
Did you try locking the bootloader, and then unlocking it again?
Click to expand...
Click to collapse
Good idea! Just tried it (which it let me do) but still getting write errors running flash-all.
Given the sudden shutdown and corruption on your phone along with failure to write and to erase sounds like your internal memory has gone bad.
If that's the case you won't be able to to anything. I had the same occur with a Galaxy S3 last year and the nand memory went bad. Unfortunately it does happen, but not often. My guess is you now have a paperweight

Failed root

Hey,
Tried to root my phone and things got messy.
I'm at a point where when I try to access the bootloader I get the "No command" screen, which I can bypass with the Power+Up keys and reach the "Android Recovery" screen.
I used "Wipe Data/Factory Reset" which didn't help much.
I can't do much more than that because Windows doesn't recognize my device and so I can't apply anything through ADB.
I tried to install the drivers again, but still nothing. My phone doesn't appear on the Device Manager.
Windows does make a sound of connected USB when I enter bootloader, but soon as it hits the "No Command" screen I hear the sound of a disconnected USB device.
Any idea how to make Windows recognize the device again so I could try to install things back with ADB?
Thanks!
OK, managed to solve this part after some reboots.
I'm now failing to ADB the stock image.
The phone says on top of "Andoird Recovery" that it's 7.1.2/NZH54D.
That's the stock image I've downloaded and when I try to ADB it I get on the windows terminal
"cannot read 'sailfish-nzh54d-factory-127f0583.zip'".
How do I move on from this?
OK. Figured this one out as well.
I was flashing the wrong file. Needed to flash the OTA file "sailfish-ota-nzh54d-2163742b".
Now I have my Pixel up and running. OS seems to be there.
BUT... bootloader still not there. I still get the "No Command" page when I enter the bootloader and can only use ADB.
How do I move on from here? Still wanna root, add twrp and a different ROM.
I would start over from scratch. This guide is really good, it's for Pixel XL, but should be interchangable for Pixel 1 (non-XL), just be careful of the model specific files (salefish vs. marlin)
https://forum.xda-developers.com/pixel-xl/how-to/guide-android-8-oreo-root-stock-rooted-t3660591
TheAsker70 said:
OK. Figured this one out as well.
I was flashing the wrong file. Needed to flash the OTA file "sailfish-ota-nzh54d-2163742b".
Now I have my Pixel up and running. OS seems to be there.
BUT... bootloader still not there. I still get the "No Command" page when I enter the bootloader and can only use ADB.
How do I move on from here? Still wanna root, add twrp and a different ROM.
Click to expand...
Click to collapse
Can't you acces bootloader with "adb reboot bootloader"?
Also make sure u switched on usb debugging in developer options.
Sent from my Google Pixel using XDA Labs
If you get to the screen where you can choose to enter recovery, that is the bootloader. The no command thing is something you always get when you choose to boot to recovery. When on the screen before the no command thing, plug it into your PC. If the PC recognizes it, use fastboot to access it. "Fastboot devices" will show your phone. Adb devices doesn't work there. Bottom line is, it sounds to me you're getting to the bootloader. Just not realizing it.
TheAsker70 said:
OK. Figured this one out as well.
I was flashing the wrong file. Needed to flash the OTA file "sailfish-ota-nzh54d-2163742b".
Now I have my Pixel up and running. OS seems to be there.
BUT... bootloader still not there. I still get the "No Command" page when I enter the bootloader and can only use ADB.
How do I move on from here? Still wanna root, add twrp and a different ROM.
Click to expand...
Click to collapse
The no command screen is a part of the recovery, not bootloader. My easiest suggestion for you is that with the phone powered on press the power button and select restart. Once the screen goes dark, press and hold volume down until it boots to the bootloader. If you can't get that to work then you sir have a problem.
Milly7 said:
The no command screen is a part of the recovery, not bootloader. My easiest suggestion for you is that with the phone powered on press the power button and select restart. Once the screen goes dark, press and hold volume down until it boots to the bootloader. If you can't get that to work then you sir have a problem.
Click to expand...
Click to collapse
Yup. I think I'm good now. Gave up on the ROM thing. Too much headache to maintain it. Sticking to stock. Imperfect, but less headaches.
I wanted to root my device mostly for Titanium backup.
The rest isn't that important to me.
Thanks for the help!

OP7 Pro Fastboot Bootloop! [HELP]

This may be a simple solution, but I am completely puzzled on how to fix this.
SO i recently rooted my phone & used the twrp "twrp-3.3.1-4-guacamole". Installed magisk via that twrp and continued with my day.
I accidentally got a virus by trying to get a full free vpn, me being a terrible pirate, i accidentally got a virus! Silly me.
It was annoying me and I decided to factory reset my phone... not via twrp. I remembered after I clicked "Reset all" on oxygenos that it's not the way how to do it with a root device, and well.. it didn't exactly work.
Every time I power/reboot the phone it just brings me to the fastboot menu of "START", "POWER OFF", "RECOVERY MODE", & "RESTART BOOT LOADER". I thought since TWP is recovery mode I try to access that... no luck, it just brings me back to that fastboot menu. I tried going on CMD via adb by saying "fastboot flash boot twrp-3.3.1-4-guacamole.img". It will say it's finished and successful, but when i reboot and try to access recovery mode it just does not work.
TL;DR: Think I bricked my phone, there is no OS installed and I can only access the fastboot.
Any help? Much appreciated
https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
trapcoder666 said:
https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
Click to expand...
Click to collapse
Thank you for the guap recovery as i didn't know it existed. However, what are the steps? when i go on the MSM download tool it doesn't detect my phone.
that being said, i can't access any of my files through my pc using fast boot. on MSM it's just saying "waiting for device" even when plugged in so thats annoying.
trapcoder666 said:
https://forum.xda-developers.com/oneplus-7-pro/how-to/msm-tool-guac-t3934691
Click to expand...
Click to collapse
I downloaded the one you sent, and after a while as my internet is bad. It still does not work.
Whenever I try to install the qualcomm drivers it never shows up, and when i try and boot it up so the gual recover detects my phone it never works. It's still saying "waiting for device".
Does anyone know how to fix this? it's doing my head in that it's not as easy as it should be.
MOweenSalah said:
I downloaded the one you sent, and after a while as my internet is bad. It still does not work.
Whenever I try to install the qualcomm drivers it never shows up, and when i try and boot it up so the gual recover detects my phone it never works. It's still saying "waiting for device".
Does anyone know how to fix this? it's doing my head in that it's not as easy as it should be.
Click to expand...
Click to collapse
Pretty sure that your phone will not be accessible via adb/fastboot during the msm process. Did you follow the directions in the link above to a T?
A few things to note:
- Works perfectly fine for unbricking GM1917 modeled OnePlus 7 Pros.
- Use the original cable and try to plug it into a USB 2.0 port. I've found that this is the most ideal condition.
- Make sure your device is charged up. If you can't see how much charge it has, leave it charged via the 30W warp charger for 40 minutes and that should be good enough.
- In the L2 drivers folder found in the archive, navigate to the 32 or 64 folder depending on your system's architecture, and click on the file that ends in the extension ".cat". Then, click "view signature", then "View certificate", then "Install." This is IMPORTANT.
- Then, make sure your device is powered OFF, then, plug in the USB-A side of the cable (big head) into your computer and do NOT connect the USB-C (small head) into your phone yet.
- Hold down Volume up AND volume down for five seconds, and while you're continuing to hold, plug the USB-C side into your phone. The drivers should automatically download, and you should see a "Qualcomm QD loader" device in Device Manager. If you see an exclamation mark or you don't see this, you are doing it wrong and you need to repeat the above steps.
- Open up MSMTool.exe as an administrator and click 'start' only. Should take a few minutes, but you will have a good-as-new OnePlus 7 Pro.
Click to expand...
Click to collapse
Krsmqn said:
Pretty sure that your phone will not be accessible via adb/fastboot during the msm process. Did you follow the directions in the link above to a T?
Click to expand...
Click to collapse
I did yes, i pressed all buttons and the power button for 5 seconds and plugged my charger in. Then after that went on the MSM tool and it went straight to the fastboot. I really don't know but it loves this fastboot tool haha
Krsmqn said:
Pretty sure that your phone will not be accessible via adb/fastboot during the msm process. Did you follow the directions in the link above to a T?
Click to expand...
Click to collapse
Add: I made a video showing what I mean with the fastboot. Basically if i do anything with the phone fastboot it will just go back to the menu (sorry for bad quality)
https://www.youtube.com/watch?v=jU8a6kDXNNs&feature=youtu.be
MOweenSalah said:
Add: I made a video showing what I mean with the fastboot. Basically if i do anything with the phone fastboot it will just go back to the menu (sorry for bad quality)
&feature=youtu.be
Click to expand...
Click to collapse
It's one of those things where if someone was there with you, it'd likely get figured out. I've seen this kind of situation hundreds of times on XDA, and with all due respect, the problem is most always at the hands of the user. These phones are cookie cutter made, so there's nothing different (besides individual variants) that would make thee tools not function correctly, unless it's operator error. But that's not set in stone. Just don't give up. Try setting up your camera for an overhead view. I couldn't tell if you were plugging in your cord. And it seemed to reboot, instead of power off. Repeat the steps carefully, and see if you can achieve better results.
Don't give up! We're here for you ?
Make sure phone is powered off before plugging it in. Launch msm tool, Press the vol up and down key for a few seconds then plug in.
Edit : make sure your drivers are up to date too.
I don't know about msm tools never tried it but I know your situation.
Don't do fastboot flash boot twrp-3.3.1-4-guacamole.img
Remove the word flash. You are supposed to boot into twrp then flash the zip file to the phone.
look at this
Command in Fastboot mode is:
Fastboot boot "name of the recovery".img. Phone should boot to twrp. Then flash twrp.zip
or try Fastboot roms:
https://forum.xda-developers.com/oneplus-7-pro/how-to/rom-stock-fastboot-roms-oneplus-7-pro-t3931424
Choose the one for youre phone (region)
MSM tool it's the last option.
Can't you just switch slots from fastboot or did you mess up both?
trapcoder666 said:
Make sure phone is powered off before plugging it in. Launch msm tool, Press the vol up and down key for a few seconds then plug in.
Edit : make sure your drivers are up to date too.
Click to expand...
Click to collapse
Firstly I'm terribly sorry for no response (same goes to everyone else looking into this matter for me. THANK YOU!)
However, I have done this multiple times in the past and it instantly goes back to boot menu. it sucks :/
IronSingh said:
I don't know about msm tools never tried it but I know your situation.
Don't do fastboot flash boot twrp-3.3.1-4-guacamole.img
Remove the word flash. You are supposed to boot into twrp then flash the zip file to the phone.
look at this
Click to expand...
Click to collapse
Okay. I shall go and look into this situation when I receive my phone back (going to explain that in a later quote)
larsdennert said:
Can't you just switch slots from fastboot or did you mess up both?
Click to expand...
Click to collapse
If i'm honest with you.. i'm not sure in the slightest. My only assumption is no because the only thing I can access is only the fastboot. if i attempt to go into recovery mode it will go back to fastboot. when I flash twrp it will flash but it won't boot into it. It's confusing as hell.
Just to add to this whole situation:
Since I have no idea and just wanted it fixed in the day; i was willingly to give money for this phone to be fixed, but thanks to the person, he just made it a slower process by doing things i've already done.. going to pick the phone back up in an hour of this message.
I haven't used the fastboot boot twrp cmd yet, but from how everything else has been so far i feel like that won't work, but i will update everyone on that situation.
Just to add additional things that I may have not mentioned in the past will be below:
- Whenever i type in "ADB Devices" in cmd, it will not show up with anything. However, when I type in "fastboot devices" it shows it's serial and in "fastboot". It will only show as fastboot and i can't access the phone via file explorer in windows.
When i say "ADB Devices" it says *devices attached* and will show none of my phones details, but when i say fastboot devices it will then show the devices.
^ what i said above means I can't use the guap recover, or anything which means the phone has to be detected in windows, because other than fastboot, it won't work at all.
- So far I can't access twrp as a whole, so if anyone knows how to give me a guide on how to install it from where I am at, that would be amazing (if not, i'll try and reiterate what to do with the one given from a previous comment, so thank you )
- There was one time I was allowed in TWRP but i completely forgot how i entered it (so i can't explain), So i feel like there is hope in that aspect. I feel like i entered something via cmd so maybe there's a way?
In terms of hardware my phone is completely fine, there's not a single problem other than the software being a pain in the ***!!
if anyone can just spew out a bunch of help in different explanations it means the world because so far all I can see is that I wasted about £600 on an amazing phone because of dumb *** haha.
Thank you to everyone who has helped, and is helping
From your comments, you are not familiar with how Android functions. Not knowing the difference between adb and fastboot is an indicator that you should just endeavour to have a stock phone until you understand whats going one. It's also hard for people to help as no one has hands on and can see what is broken. Everyone here will be working blind like trying to fix your car for you from across the country.
Start the phone into fastboot and connect it to a pc. From a pc command prompt in your fastboot directory enter the command:
fastboot getvar current-slot
If the current slot is A then:
fastboot --set_active=b
or vice versa
fastboot --set_active=a
then fastboot reboot and see if you boot into the other slot.
Not knowing what phone you have makes it even tougher but I suspect you will have to reflash a clean complete rom via fastboot.
https://forum.xda-developers.com/on...fastboot-roms-oneplus-7-pro-t3931424#poststop
larsdennert said:
From your comments, you are not familiar with how Android functions. Not knowing the difference between adb and fastboot is an indicator that you should just endeavour to have a stock phone until you understand whats going one. It's also hard for people to help as no one has hands on and can see what is broken. Everyone here will be working blind like trying to fix your car for you from across the country.
Start the phone into fastboot and connect it to a pc. From a pc command prompt in your fastboot directory enter the command:
fastboot getvar current-slot
If the current slot is A then:
fastboot --set_active=b
or vice versa
fastboot --set_active=a
then fastboot reboot and see if you boot into the other slot.
Not knowing what phone you have makes it even tougher but I suspect you will have to reflash a clean complete rom via fastboot.
https://forum.xda-developers.com/on...fastboot-roms-oneplus-7-pro-t3931424#poststop
Click to expand...
Click to collapse
I do appreciate the help. If i'm honest with you the only reason I did this is to increase my data speeds (which from look of things is outdated now), and a longer battery life. I don't know much about rooting/jailbreaking but believe me that I have been in the scene for years, but not even knowing everything haha!
that being said.. i'm in twrp! thank you so much mate, i'll try and go and install the rom now. thank you!
Now install the zip twrp
Thankfully.. IT'S FIXED!
I didn't have to install twrp again or any of that. I simply changed the slot from A to B and pressed all buttons when it was showing the "! Your decide is unlocked" orange/black screen.
I had msm tools up and it detected and instantly installed the OS to the latest one and boom. It works again!
I got to thank everyone for helping me because without you people I wouldn't of been able to fix it. I looked everywhere and no help anywhere as I feel like it's pretty dumb to do what I did haha!
Thank you again people!
Oh you gave up on root?
You are supposed to read the instructions and follow them to the letter. When I read your post I realized you tried to install twrp like you would pre Oreo but it changed you have to boot into twrp then install it via zip file.
Anyways just remember that for next time.

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