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[Q] Flashed boot.img, did a reboot, but phone keeps restarting after splashscreen

I'm trying to load the CM ROM to my HTC One S device. I was able to unlock and root the device. Next, I flashed the boot.img (fastboot flash boot.img) from the ROM zip file to the device and restarted it (cm-10.1-20130304-EXPERIMENTAL-ville-M2). Now my device just cycles through the HTC splash screen with the red letters "this build is for development purposes only..." -> Android Splash Screen. Phone does not properly boot up. I think I missed a step in the flashing process. Any ideas on how to proceed?

fastboot flash boot boot.img
just in case you typed it the way you wrote in your post.
what recovery are you using? what version?
maybe try twrp 2.3.3
get into bootloader and flash again, go to recovery do a full wipe and install the cm zip again.

tivofool said:
fastboot flash boot boot.img
just in case you typed it the way you wrote in your post.
what recovery are you using? what version?
maybe try twrp 2.3.3
get into bootloader and flash again, go to recovery do a full wipe and install the cm zip again.
Click to expand...
Click to collapse
Sorry, the command I used was "fastboot flash boot boot.img" The CM boot.img definitely got written to the device. I missed the step of copying the ROM to a folder on my device. I wasn't clear on this step since I'm not sure how to view folders on the device. Is there a way to load the ROM from my PC instead of copying the files to the device first?
I'm using TWRP 2.6.0.0. I'm also not clear on the back up portion since there is no SD card on this device. Is it possible to perform a backup? I thought I did one during the initial step, but now that I'm trying to restore, I don't see a backup available.

yes, the "sd card" is there as a partition or whatever. But it works the same way. Backups do work.
So in twrp mount the sd card (usb storage, whatever twrp calls it), then you can transfer the rom to your phone from your computer. Then just wipe your caches and install zip.
You can get into recovery from your bootloader, hold volume down and press power (don't hold)

tivofool said:
yes, the "sd card" is there as a partition or whatever. But it works the same way. Backups do work.
So in twrp mount the sd card (usb storage, whatever twrp calls it), then you can transfer the rom to your phone from your computer. Then just wipe your caches and install zip.
You can get into recovery from your bootloader, hold volume down and press power (don't hold)
Click to expand...
Click to collapse
Thanks for clarifying. I successfully loaded the ROM on my device.

My workflow stopped at the same spot, screen is locked in the HTC logo and the warning about the build being development purpose only, but trying again to get into bootloader and the phone doesn't load it up, it just turns off and nothing else happens

Mhord said:
My workflow stopped at the same spot, screen is locked in the HTC logo and the warning about the build being development purpose only, but trying again to get into bootloader and the phone doesn't load it up, it just turns off and nothing else happens
Click to expand...
Click to collapse
Was your battery too low?
Hopefully you can get into bootloader, that's pretty important to fix anything.
someone could correct me, but can't you hold power down until the buttons flash, then hold both power and volume down button until bootloader starts.

tivofool said:
Was your battery too low?
Hopefully you can get into bootloader, that's pretty important to fix anything.
someone could correct me, but can't you hold power down until the buttons flash, then hold both power and volume down button until bootloader starts.
Click to expand...
Click to collapse
It had like 75% charge. Buttons don't flash like normal... Got to load the bootloader flashed the recovery, reboot, same screen

Mhord said:
It had like 75% charge. Buttons don't flash like normal... Got to load the bootloader flashed the recovery, reboot, same screen
Click to expand...
Click to collapse
So you are trying to get into recovery. When you go into the bootloader, you choose recovery and it doesn't work.
you could go back to bootloader, fastboot usb.
from there open a command terminal on your computer. From your fastboot folder press shift and right mouse click <open command terminal here>
type
fastboot erase cache
then you can press power button to select hboot, then volume down to recovery.
You could try to flash a different recovery if that doesnt work. Make sure you are using the correct recovery for your device. S4 version or the S3 international type devices.

tivofool said:
So you are trying to get into recovery. When you go into the bootloader, you choose recovery and it doesn't work.
you could go back to bootloader, fastboot usb.
from there open a command terminal on your computer. From your fastboot folder press shift and right mouse click <open command terminal here>
type
fastboot erase cache
then you can press power button to select hboot, then volume down to recovery.
You could try to flash a different recovery if that doesnt work. Make sure you are using the correct recovery for your device. S4 version or the S3 international type devices.
Click to expand...
Click to collapse
mmm yeah tried what you said, and still got stuck in "entering recovery".
I used eyeballer recovery which is the one CM recommends on their wiki
EDIT: My HBOOT says VilleC2 in that case S3 recovery would be the correct one?
EDIT: Yep found the correct recovery back in business, many thanks Tivofool

[Completed] Bricked zenfone 2 - OTA update while rooted - unsucessful flash

My problem:
I had a temporary CWM installed on my Asus Zenfone 2 ZE551ML 4gb/32GB and without thinking, installed an OTA update form 2.20.40.63 to 2.20.40.90.
My phone booted to the Asus logo with the loading circle and got no further.
Sadly I did not have USB debugging enabled at the time so I cant detect it in ADB in recovery mode to sideload.
I have tried to copy firmware to my Micro sd and load from there but my phone has never recognised or mounted SD cards so that is out of the question.
As a last resort I tried flashing the Boot.img, Recovery.img, droidboot.img and system.img, now it wont even get to the asus logo without coming up with and android logo with a red triangle above it, the same logo that comes up when I now try to enter recovery mode.
I have recorded a video of the process I followed to flash the zfone, but cant post it here as this is my first post, but I think I can send it to someone through messages
What am I doing wrong and how do I get my phone back?
Any help would be hugely appreciated, and keep in mind Im a bit of a noob so set by step instructions would be awesome, Thanks guys
Update: the original .img files i used were apparently already rooted, so I am now extracting the 2.20.40.90 firmware from the official Asus site and I will try to flash with those.
but I cant find the system.img inside the UL-Z00A-WW-2.20.40.90-user.zip and was wondering, do I need to take out the Boot.img. droidboot.img and recovery.img then turn all the existing files into a system.img?

Hi, thank you for using XDA Assist. Try asking in your device's specific forum here, http://forum.xda-developers.com/zenfone2 They are the experts on your device. I would start by posting in this thread, http://forum.xda-developers.com/zenfone2/help/help-post-questions-instead-making-t2997779

jd1639 said:
Hi, thank you for using XDA Assist. Try asking in your device's specific forum here, http://forum.xda-developers.com/zenfone2 They are the experts on your device. I would start by posting in this thread, http://forum.xda-developers.com/zenfone2/help/help-post-questions-instead-making-t2997779
Click to expand...
Click to collapse
Ahh thank you, sorry I didnt really know where to post the question

Fixed my phone!!
Ok guys, so I figured out what I was doing wrong.
I preformed the flash correctly with pre-rooted system.img, but I didnt wipe the cache, as soon as I did, my phone booted to a normal rooted device!!
If you want to do this yourself, download pre rooted versins of these files (easy to find with a quick google search)
Recovery.img
Boot.img
Droidboot.img
System.img
ADB tethered launcher (not needed if your phone can enter recovery mode)
and place them all in a new folder (lets call it zenUnbrick)
Boot your zenfone 2 into fast boot mode, then connect it to your pc
(Hold volume up button and power button, when your phone vibrates let go of the power button and continue to hold the volume + button until you see the fastboot screen)
Now hold down shift + right click inside the zenunbrick folder and select 'open command window here'
When that opens, run these commands in this order. Wait till each one finishes and be aware that the (fastboot flash system system.img) command takes quite a while to work its magic, so be patient and dont turn off your phone
fastboot flash fastboot droidboot.img
fastboot flash recovery recovery.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot reboot
when your phone reboots, it will most likely still seem bricked, but do not despair!! this is where you open up the ADB tethered launcher, although if your phone can enter recovery mode then you dont need this program
Option 1 - If your phone can enter recovery mode
Boot your phone into fastboot mode
use volume up and down to select recovery mode and use power button to select
wait for your phone to reboot
when you see the broken android symbol, press volume up button and power button simultaneously
select wipe cache and wait (it takes a while)
select reboot now
Your phone is now unbricked and rooted!!
Option 2 - If your phone cant enter recovery mode
Boot your phone into fastboot mode and connect it to your pc
open ADB tethered launcher
type 'ACCEPT'
when it loads type 'T4'
wait for your phone to reboot
select wipe cache and wait (it takes a while)
Select reboot now
Your phone is now unbricked and rooted!!

How to install TWRP into the LG P500H from Koodo?

I have a Koodo LG P500H. I am having a very hard time installing TWRP.
Firstly Play store doesn't work. It has this old thing called "Market" that has some apps, but not all. Market eventually gets updated to Playstore, but I can't even find TWRP manager. There was another app in the Playstore that I tried called ROM Manager. It said it installed TWRP for me. I restarted the phone, and nothing happened.
Restarting and Holding power/volume down/home will show a picture that seems to be some sort of recovery mode. But it only run for 1-2 seconds before the phone restarts itself. Nothing happens.
I tried to use ADB. But after rebooting the device it just restarted without ever going into recovery mode. So the flash command just get stuck at "Waiting for Device." Does this phone even have a recovery mode?
This phone doesn't support Odin.
I am used to using TWRP. Without it I cannot flash the phone into new OS.
And every single time I fail, the whole phone seems to have reformatted. So I have to enter in my wifi password and gmail again. All of that typing on a very small keyboard takes a lot of time. I had spent hours on this phone without getting TWRP working.
Please help.

going to twrp web site here
downloading the recovery
reboot to fastboot ( bootloader ) than using terminal whit adb driver :
fastboot flash recover '' recovery.img ''

Gw4nM4n said:
going to twrp web site here
downloading the recovery
reboot to fastboot ( bootloader ) than using terminal whit adb driver :
fastboot flash recover '' recovery.img ''
Click to expand...
Click to collapse
The problem is when I reboot into fastboot (adb reboot bootloader), the phone will go into "phone off battery charging mode". It never actually goes into the bootloader.

Ok I did the following and it seems fastboot and TWRP works now. Be sure to enable USB Debugging on your P500.
1) Fastboot tutorial (I did everything here. I hit "ok" on the LGMDP 1.5 tool as needed. Do not wait till the countdown timer goes to zero.)
http://forum.xda-developers.com/showpost.php?p=15122833&postcount=100)?
FastBoot Tutorial
1. Please download this (or from here) file and unzip it in to any folder.
2. Start LGMDP 1.5 tool with the phone connected (you need to have USB drivers installed) and click on Select Port
3. A separate window should appear like the one below
Just click connect
4. Another window will take shape (LGE Mobile security) with lots of options (links)
Click on the first upper right Browse and select the folder in with you have unzipped the files. You will get some errors that some image, table or headers are missing. Just click OK and in the end everything that should remain selected is Partition Table, APPSBL Image Header and APPSBL Image.
Now just close the window (click on x)
5. Now you are back on the main window and here you'll have to click on Download
6. You are almost done and from now on everything should go on automatically.
NV Backup
Autorestart in Emergency\Download mode and upgrade the files (you selected on step 4)
NV Restore (the last step) Do not disconnect the USB cable until the restore is done
Wait for the phone to restart in normal mode (your current rom).
That should be everything you need to do to get fastboot enabled.
Click to expand...
Click to collapse
2) Install PdaNet+ (This was the only thing I did in this tutorial. It fixed the usb driver and the fastboot can then communicate with my PC.)
http://forum.xda-developers.com/showthread.php?t=1350733
http://pdanet.co/a/
(Note: On top of Partition Table, APPSBL Image Header and APPSBL Image in step 4, I also selected the TWRP image file as my RECOVERY image. Not sure if this make a difference. )
(Note 2: I think you can also get the LG drivers here.)
3) Restart, hold down power + home to boot to the fastboot. Or in ADB type adb reboot bootloader.
4) Open ADB (while phone is still in fastboot mode) and type fastboot flash recovery twrp.img (after downloading the TWRP image, renaming it and moving it to my ADB root folder. I am using TWRP 2.8.0.1 here.)
5) Type fastboot reboot
6) After the phone restarts, type adb reboot recovery. TWRP runs for me. Power+Home+Volume Down (3 button combo) also works now. (Previously this would reset the phone.)

Hey Man, im glad it worked. I could use your help.
I bricked my phone and need the restore file, Do you think you could make a backup from TWRP and upload it?
I would be super grateful.
Thank you.
Here is a zip with CM11, twrp 3.0.2.0 and Gapps for CM11.
Its the best rom I found.
https://www.dropbox.com/s/qt7z1cxq92nhpz5/LgP500CM11V4.4.4.zip?dl=0

Hi. What is your "brick" like? Does your TWRP still run? If yes you can just copy a custom OS into your Microsd card and install it from your Microsd.
You can also use ADB push to move files from your PC to the phone.
http://www.androidauthority.com/android-customization-transfer-files-adb-push-adb-pull-601015/
Sent from my MT2L03 using XDA-Developers mobile app
If you TWRP doesn't run, you need to install that first. Do steps 3 and 4 in the above post to boot into bootloader and install TWRP.
3) Restart, hold down power + home to boot to the fastboot. Or in ADB type adb reboot bootloader.
4) Open ADB (while phone is still in fastboot mode) and type fastboot flash recovery twrp.img (after downloading the TWRP image, renaming it and moving it to my ADB root folder. I am using TWRP 2.8.0.1 here.)

PLEASE HELP! Bricked Honor 8

Hi,
I was trying to flash TWRP, but now I am stuck with flashing TWRP logo after rebooting or powering the phone on.
I am unable to get to the fastboot.
STEPS I did before brick:
1. unlocked OEM via official way
2. flashed TWRP
3. after that my phone was reset however most of the apps was missing, I was trying to do factory reset once again but it failed with the message "Data partition was heavily damaged"
4. I re-locked EOM
5. brick as mentioned above
Please help, I have the phone only two weeks and I have no idea how to fix this without fastboot.
Thank you.

Meiton said:
Hi,
I was trying to flash TWRP, but now I am stuck with flashing TWRP logo after rebooting or powering the phone on.
I am unable to get to the fastboot.
STEPS I did before brick:
1. unlocked OEM via official way
2. flashed TWRP
3. after that my phone was reset however most of the apps was missing, I was trying to do factory reset once again but it failed with the message "Data partition was heavily damaged"
4. I re-locked EOM
5. brick as mentioned above
Please help, I have the phone only two weeks and I have no idea how to fix this without fastboot.
Thank you.
Click to expand...
Click to collapse
Sounds like you flashed the 3030 version of TWRP. Download the 3020 version and put it in your fastboot folder. Plug in the USB to PC
Hold power and volume up untill the phone reboots. While it's still off immediately change to power and volume down and hold till it goes into fastboot (bootloader)
Now fastboot flash recovery TWRP.img
With the 3020 version.
Unplug the USB and hold power and volume up until it says the phone is booting.. let go and TWRP will load.
Go to Wipe / format data / type yes
Reboot to system and your all set
Sent from my Nexus 6P using Tapatalk

clsA said:
Sounds like you flashed the 3030 version of TWRP. Download the 3020 version and put it in your fastboot folder. Plug in the USB to PC
Hold power and volume up untill the phone reboots. While it's still off immediately change to power and volume down and hold till it goes into fastboot (bootloader)
Now fastboot flash recovery TWRP.img
With the 3020 version.
Unplug the USB and hold power and volume up until it says the phone is booting.. let go and TWRP will load.
Go to Wipe / format data / type yes
Reboot to system and your all set
Sent from my Nexus 6P using Tapatalk
Click to expand...
Click to collapse
So I've tried that but the phone is still booting to recovery (flashing TWRP logo) no matter what.
Basically the phone is always on now because if hold the power button (or any other combination) for a few second it will just reboot back.
I have an access only to ADB, but I am not able to boot to bootloader at all, it seems the bootloader is damaged somehow.
Also that warning about unlocked OEM doesn't have that text saying "hold volume up to boot to recovery" etc. like before brick.

Hi there,
Try using the Huawei Multi Tool with the Unbrick option : https://forum.xda-developers.com/honor-8/development/tool-huawei-multi-tool-team-mt-t3523923
Speaking from experience, this little fellow helped me recover my phone when I bricked it ON DAY ONE after failed root attempt... (Derp)
Let me know if it helped you
(Leave a thanks if it did )
EDIT : This tool is also useful if you want to get lazy whilst rooting. I use it constantly when flashing diffrent bits and pieces

Clearly follow My steps To unbrick and get normal device ::
Step 1 ::
Download the full firmware of your device.
Step 2 :
make sure that your bootloader is in unlocking state
Follow the video blindly ::: https://youtu.be/OMKDnBqbi3U?list=PL...eT9J26lkefvVkK
don't panic of mobile.
Step 3 :: done ..enjoy u did it
--------------------------------------------------------------------------
If you bricked on nougat then follow the below steps
step one :::
download the downgrade package to mm .
then extract the zip and open the update.app using HuaweiUpdateextrator in that select recovery and extract
1.now, boot your device into fastboot and flash the recovery (Optional)(try this if it said incompatible version on recovery)
2. on your sd card and make a folder "dload" . and copy the update.app which we have extracted earlier
3.the switch off the device and press all three buttons you will be reboot into recovery and done . you device will be okey

Meiton said:
So I've tried that but the phone is still booting to recovery (flashing TWRP logo) no matter what.
Basically the phone is always on now because if hold the power button (or any other combination) for a few second it will just reboot back.
I have an access only to ADB, but I am not able to boot to bootloader at all, it seems the bootloader is damaged somehow.
Also that warning about unlocked OEM doesn't have that text saying "hold volume up to boot to recovery" etc. like before brick.
Click to expand...
Click to collapse
Booting to the bootloader is just a timing issue
Phone must be hooked to PC with USB
And volume up and power till it goes black
Then immediately volume down and power and Hold untill the bootloader loads
Keep trying until you get it
Sent from my Nexus 6P using Tapatalk

clsA said:
Booting to the bootloader is just a timing issue
Phone must be hooked to PC with USB
And volume up and power till it goes black
Then immediately volume down and power and Hold untill the bootloader loads
Keep trying until you get it
Sent from my Nexus 6P using Tapatalk
Click to expand...
Click to collapse
I appreciate your help but I've tried it multiple times always with the same result.
I also can use "adb reboot bootloader", but it will reboot again to stuck recovery.

DJ Daemonix said:
Hi there,
Try using the Huawei Multi Tool with the Unbrick option : https://forum.xda-developers.com/honor-8/development/tool-huawei-multi-tool-team-mt-t3523923
Speaking from experience, this little fellow helped me recover my phone when I bricked it ON DAY ONE after failed root attempt... (Derp)
Let me know if it helped you
(Leave a thanks if it did )
EDIT : This tool is also useful if you want to get lazy whilst rooting. I use it constantly when flashing diffrent bits and pieces
Click to expand...
Click to collapse
I've tried that, but I am still stuck as that tool is using fastboot as every other tool to flash .img files.
Thank you for the tip though.

Plug phone into computer with USB, then hold down power + volume down until it eventually boots into bootloader. I had the same scenario as you and that's how I got into the bootloader. You can flash either a good TWRP or the stock recovery, either one will work.

[GUIDE] [TA-1032] How to unlock bootloader, install TWRP and Magisk

Code:
TRY THIS AT YOUR OWN RISK! This could brick your phone. It shouldn't but it can. If you brick your phone, or anything stops working on your phone, YOU are responsible.
Reboot combinations:
Fastboot: Shutdown and with USB cable hold power and volume down until it says FASTBOOT MODE at the bottom
Recovery: Shutdown and with USB cable hold power and volume down until the
Code:
Please release key to power off *
dissapears.
Unlocking Bootloader
Code:
Note: This will delete all user data! Backup all your data before doing this!
This part of the guide is part of the tutorial made by @Arin59 at https://forum.xda-developers.com/nokia-3/how-to/method-to-unlock-bootloader-nokia-3-pie-t4012285
First of all convert your serial number (should look like NE1*************) to MD5 Hash and enable OEM Unlock in developer options.
Then reboot to fastboot and type
Code:
fastboot oem key {HASH}
then type
Code:
fastboot flashing unlock
.
To reboot to Android, run fastboot reboot.
Installing TWRP
Code:
This will delete your user data, but it should be already deleted.
You can use any TWRP image made for this device but I had the most success with https://forum.xda-developers.com/nokia-3/development/twrp-teamwin-recovery-nokia-3-t3762512 .
Flash your TWRP Image chosen with
Code:
fastboot flash recovery your-recovery-image.img
and then reboot to recovery.
In TWRP go to Wipe and then Format Data and type yes.
Install Magisk
Install Magisk normally.

< waiting for device >
I put the phone in fastboot mode and ran fastboot with the oem key md5 hash command but it just said "< waiting for device >". I think it might be because I forgot to install the Nokia 3 USB drivers. I'm using a linux computer, do I need to find OS specific drivers?
edit: And now my phone is stuck in fastboot mode and for some reason will not shutdown no matter how long I hold down the power button for.

Totalitor said:
I put the phone in fastboot mode and ran fastboot with the oem key md5 hash command but it just said "< waiting for device >". I think it might be because I forgot to install the Nokia 3 USB drivers. I'm using a linux computer, do I need to find OS specific drivers?
edit: And now my phone is stuck in fastboot mode and for some reason will not shutdown no matter how long I hold down the power button for.
Click to expand...
Click to collapse
If you're using a linux computer, you should try running the command with sudo.
If it doesn't work, try with another cable (or computer if it doesn't work) and try again.

#AC said:
If you're using a linux computer, you should try running the command with sudo.
If it doesn't work, try with another cable (or computer if it doesn't work) and try again.
Click to expand...
Click to collapse
Thanks. I've since got it working. For some reason I had to use the -i argument (the interface argument) along with the code for the device (0x2e04) "fastboot -i 0x2e04 <command>".
However, I've recently bypassed the "NO COMMAND" screen and gained access to TWRP custom recovery but in trying to shut down the phone, it shuts down fine but only boots up in fastboot mode. Even using the fastboot reboot command from adb tools boots it up in fastboot mode. This is a problem as I need to boot it in its normal mode so I can download the magisk.zip file required for installing magisk but I seem to be unable to do so.

Totalitor said:
Thanks. I've since got it working. For some reason I had to use the -i argument (the interface argument) along with the code for the device (0x2e04) "fastboot -i 0x2e04 <command>".
However, I've recently bypassed the "NO COMMAND" screen and gained access to TWRP custom recovery but in trying to shut down the phone, it shuts down fine but only boots up in fastboot mode. Even using the fastboot reboot command from adb tools boots it up in fastboot mode. This is a problem as I need to boot it in its normal mode so I can download the magisk.zip file required for installing magisk but I seem to be unable to do so.
Click to expand...
Click to collapse
Try holding volume up and down at the same time while holding the power button.

#AC said:
Try holding volume up and down at the same time while holding the power button.
Click to expand...
Click to collapse
Thanks, it worked.
Though I tried wiping, but it didn't solve the booting issue. Unsure how to proceed at this point. I feel like I've tried everything. Actually, I just checked my /boot folder and it's empty...is that why it's always booting into fastboot?
I tried using adb to sideload the magisk.zip file but then the phone rebooted into stock recovery??
Any and all guides on this say to download the magisk.apk either into the SD card or internal storage, but I don't have a micro SD card and I can't access the normal mode of the phone to download anything.
What can I do?

I've flashed TWRP successfully but forgot to download the magisk.apk. Now whenever I boot up my phone, it boots into stock recovery mode automatically, even if I tell TWRP to reboot into system it reboots into Stock Android recovery. I can still access TWRP by holding down the up + power buttons on boot though, but I can't access the normal mode of the phone anymore.
I tried using TWRP's sideload feature with ADB tools to sideload Magisk.zip and it said it succeeded but in using TWRP's install feature to find the zip file, it wasn't in /sideload/ or /storage/ as both were empty.
How can I temporarily restore normal functionality so I can simply download the Magisk manager.apk?