Failed to validate system image & stuck in fastboot - Moto G Q&A, Help & Troubleshooting

Hello, back in december I was trying to load up an app on my phone but in a video the guy said to download chainfire so I did and installed the driver and my phone got stuck in the warning unlocked bootloader screen and I really can't remember what I did but I did something with downloading the system restore image but it wouldn't work so I changed up the files and now my phone is stuck in fastboot and no longer is usable so I just threw it in my drawer and never used it again up until now here I am asking for help on how to resolve this issue. I'm no android techie so I really don't know much about anything other than rooting phones. My phone is a Moto G XT1031. Also I can't charge my phone because when I leave it, the phone just keeps rebooting and it really doesn't charge much.
UPDATE:
I managed to unlock the bootloader but now when I power it up, the device is stuck on the motorola screen.

If you can get into fastboot mode, try flashing a stock ROM for your phone.

audit13 said:
If you can get into fastboot mode, try flashing a stock ROM for your phone.
Click to expand...
Click to collapse
Thank bro it worked for me thanks a lot

Related

Moto g bricked

Hello,
I was bought moto g 8 GB and i used it one day.
My phone does not work
I made factory reset and after that phone works but after 2 hours when i turn on phone, i see only Moto logo, after that he appeared black screen. I will record video tomorrow if you need it.
When i hold power down and power button i can see fastboot flash mode. I can see normally options in flash mode but also i see "Device is LOCKED". http://postimg.org/image/oa3blyd2n/
http://postimg.org/image/9pm8r4i3z/
When i click on recovery mode phone has restart and i see moto logo and black screen...
I wait 7 hours but nothing happened.
Please help me
Joomlar said:
Hello,
I was bought moto g 8 GB and i used it one day.
My phone does not work
I made factory reset and after that phone works but after 2 hours when i turn on phone, i see only Moto logo, after that he appeared black screen. I will record video tomorrow if you need it.
When i hold power down and power button i can see fastboot flash mode. I can see normally options in flash mode but also i see "Device is LOCKED". http://postimg.org/image/oa3blyd2n/
http://postimg.org/image/9pm8r4i3z/
When i click on recovery mode phone has restart and i see moto logo and black screen...
I wait 7 hours but nothing happened.
Please help me
Click to expand...
Click to collapse
The good thing about development phone like Moto G are that you can never brick your phone. It is very much recoverable. Try unlocking bootloader and then flash official firmware from this link http://sbf.droid-developers.org/phone.php?device=14
Use this link to unlock bootloader,
https://accounts.motorola.com/ssoau...ct/standalone/bootloader/unlock-your-device-b
You can bring your phone back to life.
Hope it helps.
smohanv said:
The good thing about development phone like Moto G are that you can never brick your phone. It is very much recoverable. Try unlocking bootloader and then flash official firmware from this link http://sbf.droid-developers.org/phone.php?device=14
Use this link to unlock bootloader,
https://accounts.motorola.com/ssoau...ct/standalone/bootloader/unlock-your-device-b
You can bring your phone back to life.
Hope it helps.
Click to expand...
Click to collapse
Or he can ask for replacement
Sent from Samsung Chat
jaspreet997 said:
Or he can ask for replacement
Sent from Samsung Chat
Click to expand...
Click to collapse
I would not wait for two weeks for replacement when we can bring the phone to life within 30min.
I agree a risk element in it. If the phone is basically faulty, then it is not worth trying the way I suggested. Has this worked before you started mess around?
Good luck..
smohanv said:
I would not wait for two weeks for replacement when we can bring the phone to life within 30min.
I agree a risk element in it. If the phone is basically faulty, then it is not worth trying the way I suggested. Has this worked before you started mess around?
Good luck..
Click to expand...
Click to collapse
If the phone is basically faulty (a potential hardware issue) the last thing one should do is unlock the bootloader and lose the warranty.
Sent from my Nexus 5
If you have ordered from flipkart Just call them and pretend that its not turning on at all.....and they will give you a hand to hand replacement!
I can return phone but it cost more then 60 EUR via DHL and i must wait long time...
Today i will try to unlock bootloader and flash firmware. Thanks you all, have you more suggestions?
I dont know what happened. This is strange problem because telephone work fine 5 hours and after power off, i see only Motorola Logo. I hope that i will not miss guarranty when i unlock bootloader.
Unlock device is finished. Can you give me tutorial for flashing stock firmware? I am noob
U used this tutorial: http://www.theandroidsoul.com/install-moto-g-uk-generic-firmwarestock-rom/
but after flashing i have the same problem
Is there any solution? If not, how i can lock bootloader because now i lose guarranty
Joomlar said:
Hello,
I was bought moto g 8 GB and i used it one day.
My phone does not work
I made factory reset and after that phone works but after 2 hours when i turn on phone, i see only Moto logo, after that he appeared black screen. I will record video tomorrow if you need it.
When i hold power down and power button i can see fastboot flash mode. I can see normally options in flash mode but also i see "Device is LOCKED". http://postimg.org/image/oa3blyd2n/
http://postimg.org/image/9pm8r4i3z/
When i click on recovery mode phone has restart and i see moto logo and black screen...
I wait 7 hours but nothing happened.
Please help me
Click to expand...
Click to collapse
I had exactly the same issue, after I unlocked the bootloader this happened to me, don't worry is not bricked just a software issue with some providers firmwares, what did I do? The good about this is, you should be able to put it in fastboot.
Read all before try it please
* I unlocked the bootloader (seems like you already did it)
* I flashed CWM http://forum.xda-developers.com/showthread.php?t=2563599
Here the next issue was I needed to flash a ROM but I wasn't able to put any file in my device even mouting the USB in CWM or adb push, so: sideload
* I downloaded this rom http://forum.xda-developers.com/showthread.php?t=2606943 (you could use other but that worked for me)
* I Put the zip file in the fastboot directory
* I turned on my device in recovery mode (CWM, you can do it by the fastboot, select recovery, use vol up to enter, vol down to move, power button doesn't work here).
* Wipe factory, cache and dalvik (just in case I think factory wipe is enough)
* I went to the option flash from zip file, flash from sideload (or similar not sure about the name but it says sideload)
adb sideload myromfile.zip
once the adb finish, CWM will notify you and you can flash your rom regularly. It will finish, then you should reboot, It should take about 5 minutes for the first boot. Then my phone worked again.
Sorry if I said something wrong, first time I talk here and I felt identified with your issue and wanted to help you.
Thank you. I flashed CWM but i can not enter to it. When i hold volume down + power button i enter in fastboot flash mode. How i can enter to recovery cwm? When i enter to recovery trough fastboot mode nothing happened. Phone has restart and appeared moto logo. When i flash it i got ".mismatched partition size".
Is there any tutorial for me ? I am very frustrated with this phone
sounds like the phone might be faulty if it happened and you didnt do anything to cause it ,
anyway another option for you is to try a external reset,you have attempted too flash other firmwares so not 100% sure it will work but give it a try through fastboot recovery.
click the link below and halfway down the page follow the instruction for "external reset"
https://motorola-global-portal.cust..._detail/a_id/97329/p/30,6720,9050/action/auth
This is my steps:
-Flash this falcon_retgb_user_4.3_14.10.0Q3.X-76-LGG-8_54_release-keys-cid7-Retail_GB via this tutorial http://www.theandroidsoul.com/install-moto-g-uk-generic-firmwarestock-rom/
-flash CWM V3 or V2
Do i need to flash some other stock ROM before i do external reset? EDIT; external reset does not work becase i can not enter to recovery and wipe data/cache...
smohanv said:
The good thing about development phone like Moto G are that you can never brick your phone. It is very much recoverable. Try unlocking bootloader and then flash official firmware from this link http://sbf.droid-developers.org/phone.php?device=14
Use this link to unlock bootloader,
https://accounts.motorola.com/ssoau...ct/standalone/bootloader/unlock-your-device-b
You can bring your phone back to life.
Hope it helps.
Click to expand...
Click to collapse
Except it isn't a development phone and of course you can brick it. Try erasing the bootloader and recovery and see how you get on then. Im pretty sure it'd be bricked??
To OP - you should have returned phone especially as you are a noob, no offence but a noob trying to recover a phone which has 'broken' by itself is not going to end well especially as its impossible to tell if its hardware or software issue in the first place.
I wish you luck though.
Joomlar said:
Thank you. I flashed CWM but i can not enter to it. When i hold volume down + power button i enter in fastboot flash mode. How i can enter to recovery cwm? When i enter to recovery trough fastboot mode nothing happened. Phone has restart and appeared moto logo. When i flash it i got ".mismatched partition size".
Is there any tutorial for me ? I am very frustrated with this phone
Click to expand...
Click to collapse
To get into CWM after flash it, go to fastboot mode, then in the menu, use ONLY vol down and move to the recovery option, once in the recovery option push vol up.
It also could be you phone has a fault from factory.
scott_doyland said:
Except it isn't a development phone and of course you can brick it. Try erasing the bootloader and recovery and see how you get on then. Im pretty sure it'd be bricked??
To OP - you should have returned phone especially as you are a noob, no offence but a noob trying to recover a phone which has 'broken' by itself is not going to end well especially as its impossible to tell if its hardware or software issue in the first place.
I wish you luck though.
Click to expand...
Click to collapse
You can perfeclty recover an erased or corrupt bootloader, and from there flash anything you want, including recovery. Yeah, it's an unbrickable phone.
http://forum.xda-developers.com/showthread.php?t=2623587
Joomlar said:
Thank you. I flashed CWM but i can not enter to it. When i hold volume down + power button i enter in fastboot flash mode. How i can enter to recovery cwm? When i enter to recovery trough fastboot mode nothing happened. Phone has restart and appeared moto logo. When i flash it i got ".mismatched partition size".
Is there any tutorial for me ? I am very frustrated with this phone
Click to expand...
Click to collapse
i got the same error, but i just kept flashing cwm like five times in a row then vol down then up and it loaded cwm.
try it.
Yes, it can be bricked depending on the version... Mine can't have the bootloader unlocked...
Sent from my XT1032 using xda app-developers app
I must return phone. My bootloader is unlocked, i hope that manufacturer will give me new phone.
IF you have any solution respond me please.
Maybe you could try this way http://forum.xda-developers.com/showthread.php?t=2542219 !?
Joomlar said:
I must return phone. My bootloader is unlocked, i hope that manufacturer will give me new phone.
IF you have any solution respond me please.
Click to expand...
Click to collapse
Your phone seems to be fine. the only option worth a try is to flash official firmware that should go ok with a locked bootloader forget about custom recovery and rooms
and in any case do not unlock the bootloader until you some how solve this and in the picture you posted the phone already is in flash mode just make your PC to recognize your phone by installing the necessary drivers and flash
Find everything you need in the post above mine

[Q] lg g2 d801 bricked, no download mode,no fast boot only stuck at lg logo

hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate
xtremepowered said:
hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate
Click to expand...
Click to collapse
Have you tried this method?
http://forum.xda-developers.com/showthread.php?t=2701799
Not sure if it's applicable.
pitchdarkice said:
Have you tried this method?
http://forum.xda-developers.com/showthread.php?t=2701799
Not sure if it's applicable.
Click to expand...
Click to collapse
Thanks for your reply but I don't think that works, cause the link you have me is how to root device.
It still restores the image, you can choose to root or not
Sent from my SM-P600 using Tapatalk
xtremepowered said:
hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate
Click to expand...
Click to collapse
Any luck fixing it ?
Kdz flashtool could solve the problem or using an usb.... U could leave the phone until the battery goes off and then recharge a little bit and try download mode again... the first method should work ... press the buttons correctly and connect the usb... working in 95%
same problem
tried the mentioned comments but still nothing for me.
PLEASE PLEASE let me know if you fix the problem OP
lgg2 d801 stuck on lg logo
Nabuco76 said:
Kdz flashtool could solve the problem or using an usb.... U could leave the phone until the battery goes off and then recharge a little bit and try download mode again... the first method should work ... press the buttons correctly and connect the usb... working in 95%
Click to expand...
Click to collapse
could you please explain what you did?
my lgg2 d801 simply boots into the LG logo screen and stays there til it dies.
I do not know too many technicalities when it comes to adb or ubuntu, in fact i dont even know if those programs go on the phone or the computer through usb..
simple clarifications would make the world of difference to me as my phone is useless now.
I can enter download mode using your "let phone die then try again method" but i dont know what to do from there..
Please help me restore my phone to the 4.4.2 kitkat i had previously
thannks in advance
d801 problems
I have a D801 that was rooted on 4.4.2, and I stupidly took the OTA update. I can still use my phone to make calls, but nothing associated with google works. The phone will not boot into download mode, there is no recovery and no fast boot. I have tried everything. It will no reroot or anything . Is there anything that I can do.
zorrozeek said:
I have a D801 that was rooted on 4.4.2, and I stupidly took the OTA update. I can still use my phone to make calls, but nothing associated with google works. The phone will not boot into download mode, there is no recovery and no fast boot. I have tried everything. It will no reroot or anything . Is there anything that I can do.
Click to expand...
Click to collapse
I'm not sure if this will work for the G2 but it worked for my G Pad just last night.
http://forum.xda-developers.com/showthread.php?t=2590185
spec4 said:
I'm not sure if this will work for the G2 but it worked for my G Pad just last night.
http://forum.xda-developers.com/showthread.php?t=2590185
Click to expand...
Click to collapse
Did you see where the directions say put the device in download mode. My device will not enter download mode.
zorrozeek said:
Did you see where the directions say put the device in download mode. My device will not enter download mode.
Click to expand...
Click to collapse
I can confirm that that method worked for my G2. Make sure you press and hold volume up then plug the phone in. Hold volume up till you see the small box saying its in download mode.
The nice thing about this method it doesn't wipe your data.
Make sure you have downloaded the most current drivers first though before you plug in your phone. Then go to options and update recovery.
Sent from my LG-V500
spec4 said:
I can confirm that that method worked for my G2. Make sure you press and hold volume up then plug the phone in. Hold volume up till you see the small box saying its in download mode.
The nice thing about this method it doesn't wipe your data.
Make sure you have downloaded the most current drivers first though before you plug in your phone. Then go to options and update recovery.
Sent from my LG-V500
Click to expand...
Click to collapse
It worked for you because your partitions were not messed up. I know the procedure for getting into download mode, I tell you that it no longer works. Volume up while plugging usb in now gets me a battery charging icon . When you have a rooted phone running 4.4.2 and apply OTA update, it screws the partitions up. I can still send and receive calls, just can't sign into google or use playstore .
zorrozeek said:
It worked for you because your partitions were not messed up. I know the procedure for getting into download mode, I tell you that it no longer works. Volume up while plugging usb in now gets me a battery charging icon . When you have a rooted phone running 4.4.2 and apply OTA update, it screws the partitions up. I can still send and receive calls, just can't sign into google or use playstore .
Click to expand...
Click to collapse
Interesting.
In the other post I found this
ratchet26 said:
I had a similar problem with my T-Mobile LG G2 where I was rooted and accepted an OTA. It broke root and I couldn't get IOroot or Stumproot to work. Went to flash a downgrade and found the phone wouldn't go into download mode. It was NOT bricked. I finally tried playing around with the LG Mobile Support Tool (B2CAppSetup.exe). Of course it detected that my phone already had the latest firmware from T-Mobile, but then I clicked Options>Upgrade Recovery.
It downloaded for a while then I noticed it had put my phone into download mode (it said "Rooted" in red letters at the bottom). Then it flashed the same firmware over and I immediately tested, it entered download mode right away. But I didn't end up needing that as Stumproot was able to brute force it now after the recovery flash.
Anyway, I couldn't find an answer anywhere else. Most results also have a bricked phone, but that wasn't my issue. This solved my problem and maybe it could work for others.
Click to expand...
Click to collapse
Seems like its possible to get into download mode. I don't know, maybe yours is just different.
spec4 said:
Interesting.
In the other post I found this
Seems like its possible to get into download mode. I don't know, maybe yours is just different.
Click to expand...
Click to collapse
mine is not different, just corrupted. Even took it to a craigslist repairman. He said that he did not have the expertise to repair it. It can't be put in recovery, download or fastboot mode. It also can't be rerooted.
ill ready repaired one equal but need it "octoplus box sw" for it

[Q] Android noob Moto G bricked?

Hello, I've bricked my device (( moto g xt1032, I bought the device from Tesco back in 2013 and I just wanted to get the lollipop update on my phone, I looked online and found this video: watch?v=-L44JqysUy8 it didnt do as intended it rebooted and my device was ok, so I looked again and came accross a thread here on XDA: http://forum.xda-developers.com/moto-g/general/gpe-ota-lrx21z-5-0-1-xt1033-xt1032-t2969847
first mistake I made was doing step 2.1 instead of going straight to 2.2, my phone rebooted and got stuck in a boot loop (i think, it was a black powered by android screen) I looked on google yet again and found an article that told to clear the cache in recovery I did that and it didnt work, boot loop again, then I found a forum post saying that having bluestacks on your machine will cause a conflict I uninstalled that and started from scratch with the same problem, I re did the steps seen in the above youtube video thinking that would put my device back to normal and still stuck in bootloop with the blue motorola m logo, I cant enter recovery of the fast boot menu anymore and my battery doesnt seem to be charging, its essentially a paperweight.
paulh2k8 said:
Hello, I've bricked my device (( moto g xt1032, I bought the device from Tesco back in 2013 and I just wanted to get the lollipop update on my phone, I looked online and found this video: watch?v=-L44JqysUy8 it didnt do as intended it rebooted and my device was ok, so I looked again and came accross a thread here on XDA: http://forum.xda-developers.com/moto-g/general/gpe-ota-lrx21z-5-0-1-xt1033-xt1032-t2969847
first mistake I made was doing step 2.1 instead of going straight to 2.2, my phone rebooted and got stuck in a boot loop (i think, it was a black powered by android screen) I looked on google yet again and found an article that told to clear the cache in recovery I did that and it didnt work, boot loop again, then I found a forum post saying that having bluestacks on your machine will cause a conflict I uninstalled that and started from scratch with the same problem, I re did the steps seen in the above youtube video thinking that would put my device back to normal and still stuck in bootloop with the blue motorola m logo, I cant enter recovery of the fast boot menu anymore and my battery doesnt seem to be charging, its essentially a paperweight.
Click to expand...
Click to collapse
im now back to the boot loop thing not much better lol, is it fixable or should i just not bother
If it is booting up, then probably it is soft bricked. Not hard bricked.
If it can detect in ADB, re-flash the recovery?
Thankyou both for your replies, I dont know why I bothered back in the day symbian was so much easier lol, im an absolute noob when it comes to this so how would i go about getting to the recovery you mention, i can get to the fastboot menu but after selecting recovery the phone just loops at the boot logo
SInce it is bootlooping, I'm not sure which ROM is currently on your phone.
Try and flash the recovery from the ROM you tried to install by finding the recovery.img file, boot the phone into fastboot, and type "fastboot flash recovery recovery.img" or, if using mfastboot commands, type "mfastboot flash recovery recovery.img".
If you can't get into recovery, flash the recovery from your original ROM.
If you still can't get into recovery, flash your stock ROM, one partition at a time.
In fastboot, which bootloader version is on your phone?
the last thing I flashed was the link provided in the youtube vdeo if that helps, ive done the recovery thing and it still loops, my bootloader hmm im not sure heres the details from the fast boot screen..
AP Fastboot Flash Mode (S)
41.13 (sha-7dc8e78, 2014-06-16 16:33:29)
Device is locked Status Code (0)
is it because my bootloader is locked, I fail
You need to unlock your bootloader via the motorola website.
Thanks for your reply it turns out its not eligible for unlock for some reason so I'm deciding its a decent paper weight and giving up, I really appreciate the replies and the time the posters have taken out to help, I'll know to take my time to read every detail if I decide to do this again, thankyou!!
Are you sure it's not eligible? I thought my Telus xt1032 was not eligible but it turns out I mistyped a couple of numbers.
I tried a few hours later and I got the code from Motorola.
audit13 said:
Are you sure it's not eligible? I thought my Telus xt1032 was not eligible but it turns out I mistyped a couple of numbers.
I tried a few hours later and I got the code from Motorola.
Click to expand...
Click to collapse
I copied and pasted direct from the cmd, I read on another forum that you needed to be logged into the phone with the Motorola account which I didn't
I don't recall logging into the phone, I just recall logging into the Moto site with a google ID.
Don't worry bro just try and you will be successful. I'm also bricked my Micromax Canvas A1 on first try.
audit13 said:
I don't recall logging into the phone, I just recall logging into the Moto site with a google ID.
Click to expand...
Click to collapse
Thanks ill try it again
lol i need to wake up, I had spaces when iIcopied from the cmd its working now... and I have the code!!!
and im unlocked ! so what do i do know, i dont want to ruin it all now
Excellent. Boot into fastboot and post your bootloader version. It should be 41.xx.
41.13 ? thats on the second line in the boot menu
You have a KK bootloader. I suggest downloading the stock 4.4.4 ROM for your carrier and flash everything except the gpt and motoboot file. Once you finish flashing all partitions via fastboot, use the phone's volume button to boot into recovery, wipe perform a full wipe, and reboot.

Pixel stuck in bootloader loop and unable to boot in recovery

As per title, it just happened while I was using the phone while charging. Trying my luck as I'm not in the country(Australia) that I bought my Pixel from. Grateful for any suggestion that the sub can provide. Non rooted stock rom
You're only able to get into bootloader and that's all? I would suggest unlock the bootloader, a factory reset will follow. Try rebooting after that. If that doesn't work, at least your unlocked and you can fastboot boot twrp and reset that way or flash a stock rom. If nothing works you "may" have a defective device. I'm no expert but I would try those things first.
Yes only bootloader. What you have mentioned do not require recovery mode right ? Cos I can't boot into it. Thanks for your reply
k.s.deviate said:
You're only able to get into bootloader and that's all? I would suggest unlock the bootloader, a factory reset will follow. Try rebooting after that. If that doesn't work, at least your unlocked and you can fastboot boot twrp and reset that way or flash a stock rom. If nothing works you "may" have a defective device. I'm no expert but I would try those things first.
Click to expand...
Click to collapse
The bootloader would have needed to have been unlocked already.
indifferent1 said:
The bootloader would have needed to have been unlocked already.
Click to expand...
Click to collapse
no it doesnt, I suggested unlocking the bootloader first, that way it factory resets. this might fix the problem, if not its unlocked so he can flash the factory image.
Bump? I'm having this problem as well.
Same here. How would we unlock the bootloader of the phone when it's stuck in either a Google screen the reboots over and over again, or the bootloader interface (that won't load recovery)? Sorry about the noob question, but I'm not sure how to do it.
graymoment said:
Same here. How would we unlock the bootloader of the phone when it's stuck in either a Google screen the reboots over and over again, or the bootloader interface (that won't load recovery)? Sorry about the noob question, but I'm not sure how to do it.
Click to expand...
Click to collapse
I'm having the same issue. My wife's Pixel entered a continuous boot loop today. It only loads the white screen that says "Google." I can enter the bootloader, but when I select "recover," it goes back to the bootloop. As far as I know, she is on Android 8.1, debugging mode is off and the phone is 100% factory.
If anyone has solved this issue, it would be greatly appreciated!
Thanks
has anyone figured this out?? this happened to me today, i was using the phone, the poof it restarted itself and stayed in a boot loop. i can get into the recovery, i tried wipe/factory reset. any suggestions? google told me i need to send it to whatever company to get it fixed or get a new phone. verizon told me to go through insurance. insurance told me to go through verizon because i may be able to use the extended warranty. went back to verizon but they wont take it because the screen cracked a year ago. its not a deep crack and it didnt affect the phone at all, never had an issue. so now i go back to assurion and now they need an affidavit about my screen being cracked. im at a loss.... i havent rooted a phone since my droid x, then s3 days. so im essentially new again!
Same issue here. Phone starts on the bootloader (shows device is locked), but won't start recovery or boot any further.
I'm guessing it's time for a new phone? I hadn't taken the Android 10 update yet, so it was running Pie.
[edit] it's dead - won't let me unlock bootloader or switch boot slots
thedosbox said:
Same issue here. Phone starts on the bootloader (shows device is locked), but won't start recovery or boot any further.
I'm guessing it's time for a new phone? I hadn't taken the Android 10 update yet, so it was running Pie.
[edit] it's dead - won't let me unlock bootloader or switch boot slots
Click to expand...
Click to collapse
I had the same thing happen yesterday (not long after the Android 10 update). I was finally able to get it to boot after multiple tries and it stayed up long enough for me to enable "OEM unlocking" in Developer options. Now at least I have the option of unlocking the bootloader and re-flashing the OS with an image directly from Google.
Has anyone been able to get past this problem by reflashing the image? I suspect the underlying problem is some kind of hardware fault with eMMC, DDR, or the SOC itself.
One other interesting behavior I noticed is that the only way to shut it down and stop the bootloop is to select the "Power off" option in the bootloader menu. However, if I plug it in to charge when it is fully powered "off", it will start up the bootloop again.
Same sitution here. A couple of days after installaing it suddenly went inte a G-bootloop frenzy.
Erratic though, sometimes I could boot up (2-3/40 boots) but then it froze and started again.
Also Recovery and Safemode is very hard to get into.
Got in once or twice out of 100 boots, Bootloader Fastboot is generally reachable though.
It exhausted the battery and now I'm holding off trying to interfere, until I get more info off the net.

Z4 XT1980-4 Verizon Bricked

I was trying to fix boot loop and completely hard bricked my phone. I can only get into AP Fastboot Flash Mode (Secure) in bootloader. I have been trying to flash it with windows batch file copied into firmware folder but not getting anywhere.
'No valid operating system could be found' on the screen when its not in bootloader.
Please help flash the stock ROM.
Thanks
How I fixed my Z4 XT1980-3
TLDR, try downloading and using the Lenovo Moto Smart Assistant (LMSA) tool
Yesterday I was trying to root my new Z4 and flashed a magisk patched boot img after I got the bootloader unlocked, and I'm pretty sure I ended up exactly where you are. I panicked, tried to do a recovery, a factory reset, nada and got suck in fastboot (apparently that's a Motorola thing). Then I stumbled on a thread elsewhere referring to the Lenovo Moto Smart Assistant (LMSA) tool.
I downloaded it thinking it couldn't hurt. After I started the program and waited through the stupid splash screen, I connected my device (which my PC could no longer detect) and it immediately began installing the Motorola drivers (by that point I had uninstalled just about everything).
I used the rescue function, chose my model, and it downloaded the stock rom. After about an hour, it finished and I started the rescue process. It went through fine until it got to 47%, and then it seemed to hang. After I waited (probably not long enough), I restarted fastboot and unplugged then plugged my phone back in, and it installed the rom and restarted. Back to stock! Not rooted, but working with the BL still unlocked. Yay!
I was shocked at how easy it was, I got cocky and immediately proceeded to soft brick it again. I thought I was better off this time because I wasn't stuck in fastboot, but using the LMSA program was not successful several times. Some times it told me my device wasn't compatible, other times it would just fail. After messing around with it all afternoon, I was where I was the night before--no phone. I was bummed and figured I deserved it, but kept messing with it. I rebooted and had the program redownload the rom, tried it again, and it worked!
No idea if this is the same problem or if it can work for you, but probably can't make it worse? --A
aurelya.hyjal said:
TLDR, try downloading and using the Lenovo Moto Smart Assistant (LMSA) tool
Yesterday I was trying to root my new Z4 and flashed a magisk patched boot img after I got the bootloader unlocked, and I'm pretty sure I ended up exactly where you are. I panicked, tried to do a recovery, a factory reset, nada and got suck in fastboot (apparently that's a Motorola thing). Then I stumbled on a thread elsewhere referring to the Lenovo Moto Smart Assistant (LMSA) tool.
I downloaded it thinking it couldn't hurt. After I started the program and waited through the stupid splash screen, I connected my device (which my PC could no longer detect) and it immediately began installing the Motorola drivers (by that point I had uninstalled just about everything).
I used the rescue function, chose my model, and it downloaded the stock rom. After about an hour, it finished and I started the rescue process. It went through fine until it got to 47%, and then it seemed to hang. After I waited (probably not long enough), I restarted fastboot and unplugged then plugged my phone back in, and it installed the rom and restarted. Back to stock! Not rooted, but working with the BL still unlocked. Yay!
I was shocked at how easy it was, I got cocky and immediately proceeded to soft brick it again. I thought I was better off this time because I wasn't stuck in fastboot, but using the LMSA program was not successful several times. Some times it told me my device wasn't compatible, other times it would just fail. After messing around with it all afternoon, I was where I was the night before--no phone. I was bummed and figured I deserved it, but kept messing with it. I rebooted and had the program redownload the rom, tried it again, and it worked!
No idea if this is the same problem or if it can work for you, but probably can't make it worse? --A
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I really appreciate your reply.
I have tried LMSA tool but it's failing once I select the model number "Failed to match the connected device. Please plug it out and try again.". I have attached the screenshot.
Motorola ADB Interface driver is installed just like you described.
I think the bootloader is locked (Verizon ver.) and don't think there is any way to unlock it.
Thanks again for looking into this.
pate201 said:
I really appreciate your reply.
I have tried LMSA tool but it's failing once I select the model number "Failed to match the connected device. Please plug it out and try again.". I have attached the screenshot.
Motorola ADB Interface driver is installed just like you described.
I think the bootloader is locked (Verizon ver.) and don't think there is any way to unlock it.
Thanks again for looking into this.
Click to expand...
Click to collapse
UPDATE:
I managed to flashed stock ROM successfully without any error. But the phone is still in boot loop at logo instead of bootloader screen. Baseband is <not found> when booting into fastboot mode. LMSA tool still failing to to match the connected device. Verizon Software Upgrade Assistant is recognizing the phone in fastboot mode and trying to repair but software is not installing downloaded updates; it is stuck at 0% even won't do anything.
I think, I need to fix the Baseband but not sure what to do.
Thanks
I'm pretty confused where you are in the process.
Your device is Verizon? My understanding (and I could be wrong) is that Verizon devices can't have their bootloader unlocked, and without unlocking the bootloader, you can't flash a new ROM.
So, is your BL unlocked?
I specifically got the unlocked Amazon variant Z4 XT1980-3 hoping I could unlock the BL and root. I was able to do both, but I could only root after I got the BL unlocked.
I think I could upload my baseband file if you want to play around, but I have no idea if you're gonna brick your device. I'd check around in other forums/online and see what you can find out. I got the z4 because it was super cheap (comparatively) so if I killed it I wouldn't feel too bad buying a replacement. But $$'s still $$.
GL man!
aurelya.hyjal said:
I'm pretty confused where you are in the process.
Your device is Verizon? My understanding (and I could be wrong) is that Verizon devices can't have their bootloader unlocked, and without unlocking the bootloader, you can't flash a new ROM.
So, is your BL unlocked?
I specifically got the unlocked Amazon variant Z4 XT1980-3 hoping I could unlock the BL and root. I was able to do both, but I could only root after I got the BL unlocked.
I think I could upload my baseband file if you want to play around, but I have no idea if you're gonna brick your device. I'd check around in other forums/online and see what you can find out. I got the z4 because it was super cheap (comparatively) so if I killed it I wouldn't feel too bad buying a replacement. But $$'s still $$.
GL man!
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Click to collapse
You are right, it is a Verizon (XT1980-4) device and I cannot get the bootloader unlocked. I was only trying flash stock to unbrick it. I flashed the stock VZW firmware that I found somewhere without any error using fastboot.
Sure, I can give it a try with your baseband file. I already have stock Flash ready to re-flash it if necessary, and my device is not in working condition so nothing to loose.
Thanks for you reply.
I'll try to do that tonight when I get home from work. Sorry my responses have been so dumb. I'm still figuring it all out.
I would also need help to flash stock ROM. I have Z4 XT1980-3 with BL LOCKED. Already tried to reflash factory image via fastboot after an unsuccessful OTA upgrade. I can flash all parts except of boot, dspso and vbmeta. For these I get a "Preflash validation failed" error. So I have not been able to flash an entire factory image. I can only go to fastboot mode, nothing else. LMSA says my device is not compatible. RSD Lite says my device can not be switched to fastboot mode (but I already am in fastboot mode ???). So no joy with these. Can anybody give me any advice how to reanimate my device?
Maheshwara said:
I would also need help to flash stock ROM. I have Z4 XT1980-3 with BL LOCKED. Already tried to reflash factory image via fastboot after an unsuccessful OTA upgrade. I can flash all parts except of boot, dspso and vbmeta. For these I get a "Preflash validation failed" error. So I have not been able to flash an entire factory image. I can only go to fastboot mode, nothing else. LMSA says my device is not compatible. RSD Lite says my device can not be switched to fastboot mode (but I already am in fastboot mode ???). So no joy with these. Can anybody give me any advice how to reanimate my device?
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Click to collapse
I am also on same boat with Z4 XT1980-4 Verizon model. Bootloader is locked and Baseband missing on the fastboot screen. Please help if anyone have recover their phone from this.
Thanks

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