Nexus 10 does not boot after Update - Nexus 10 Q&A, Help & Troubleshooting

After attempt at installing software update to Nexus 10 tablet will not boot. Have wiped Cache and even then did a factory reset. Nothing. Google appears and then twirling colorful dots and nothing. For hours just twirling dots., Samsung and Google and Best Buy geeks says nothing they can do. No longer under warranty but very upset since tablet was working great until update. I am not very tech savvy but can anyone help or do I just have a new paperweight? Thanks for any advice.
I have not made any modifications to the tablet.

Just flash the newest factory image. Get it and the instructions to flash it from here:
https://developers.google.com/android/nexus/images

yes flash the newest image

After getting a notification of the latest update I went and rebooted for the update to install but it went to the twrp recovery and nothing happens, is there a way to install the update?

VivaErBetis said:
Just flash the newest factory image. Get it and the instructions to flash it from here:
https://developers.google.com/android/nexus/images
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Click to collapse
Gibbothegreat said:
After getting a notification of the latest update I went and rebooted for the update to install but it went to the twrp recovery and nothing happens, is there a way to install the update?
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Click to collapse
Still having proble? what is your recovery ? stock? did you update the bootloader? depending on your answer I should be able to help you out, thx

Khaon said:
Still having proble? what is your recovery ? stock? did you update the bootloader? depending on your answer I should be able to help you out, thx
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Hi Khaon, I have stock lollipop version 5.1.1 . (LMY47V) and latest twrp version. When upgrading it restarts and goes to recoverys main screen.
BTW how can I check which version my bootloader is?

same problem
VivaErBetis said:
Just flash the newest factory image. Get it and the instructions to flash it from here:
as a newbie .I'm not allowed to reference your link !!
I rooted my nexus 10 using xda instructions., installed CWM. All good. I tried backup and recovery and screwed something up in recovery. Got stuck in recovery mode reboot loop. Many gyrations, no fix, so I tried factory reset. Still no fix.
I decided to install a new version of the OS using the Mantaray tar you reference above. UBS connecting and fastboot. All messages look good. Now I have the problem reported in this thread. Stuck with flying balls and no boot. Very interested in any suggestions you may have.
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Click to collapse

Gibbothegreat said:
Hi Khaon, I have stock lollipop version 5.1.1 . (LMY47V) and latest twrp version. When upgrading it restarts and goes to recoverys main screen.
BTW how can I check which version my bootloader is?
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Click to collapse
So you keep just boot looping into twrp, right ?
Did you try installing a custom ROM through adb or just connecting your device?
If it keeps boot looping you gotta to wipe the full storage.

Khaon said:
So you keep just boot looping into twrp, right ?
Did you try installing a custom ROM through adb or just connecting your device?
If it keeps boot looping you gotta to wipe the full storage.
Click to expand...
Click to collapse
No, on a normal reboot or a shutdown/restart it's fine no problems there but when I try to install the update via system update it reboots into twrp. I attach a pic of my system.

Gibbothegreat said:
No, on a normal reboot or a shutdown/restart it's fine no problems there but when I try to install the update via system update it reboots into twrp. I attach a pic of my system.
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Click to collapse
Oh I see, well, you should just flash a custom ROM or if you want to stay with official factory images, you should just follow instruction there:
https://developers.google.com/android/nexus/images
What you do need is just have fastboot executable once you are into the bootloader.
You can easily access the bootloader from twrp : shutdown > reboot into booatloader

Cool thx for your continued help :good:

The problem is due to your attempting an OTA update with a custom recovery (TWRP). You can only do OTA with stock recovery. Once you are in this situation, your easiest way out of it is to simply apply the latest factory image using "fastboot", but this will also wipe your user data so backup any photos, music, etc. before you start. You will also have to reload programs from Playstore once the new image is installed.

Related

Bootloop Help After Trying To Root 7.1.1

So I flashed the 7.1.1 update and everything was fine. I then tried to root through TWRP with the most recent version of recovery and and SuperSu and when I went to reboot it would get to the "Google" splash screen and go back to the warning. I then tried to restore to my Nandroid that I made right before the 7.1.1 flash but it does the same thing. I ended up doing a factory reset, still looping. I tried flashing an old firmware but it still would loop. I got desperate and did a full wipe and then flashed the old firmware from September's update but it still will not boot. I'm a long time lurker I just don't post much. Any help will be appreciated. Thanks in advance!
http://forum.xda-developers.com/nexus-6p/help/figure-brick-t3450921/page32
Welcome to the club
jamaniek said:
http://forum.xda-developers.com/nexus-6p/help/figure-brick-t3450921/page32
Welcome to the club
Click to expand...
Click to collapse
Ahh, great. I tried searching to see if anyone else posted anything, couldn't find it.
jamaniek said:
http://forum.xda-developers.com/nexus-6p/help/figure-brick-t3450921/page32
Welcome to the club
Click to expand...
Click to collapse
Wait are you able to get into Recovery?
ChazLanier said:
Wait are you able to get into Recovery?
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Click to collapse
Nope. And so are other folks.
But if you can, there's still hope to save your device.
What version of twrp were you using?? Also what company makes the storage (not memory) on your device?
jamaniek said:
Nope. And so are other folks.
But if you can, there's still hope to save your device.
Click to expand...
Click to collapse
I can still get into recovery. I just can't get it past the Google splash screen.
ChazLanier said:
I can still get into recovery. I just can't get it past the Google splash screen.
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Click to collapse
Have you tried installing custom ROM, instead of a stock one?
And tell us what @ArminasAnarion asked for. There may be a pattern here. :good:
I haven't tried a custom ROM. I'll try that if I get any down time at work. Also, I'll check for you @ArminasAnarion in a bit.
Might be a noob question, but how do I get the custom rom files over to my phone to flash in recovery?
ChazLanier said:
Might be a noob question, but how do I get the custom rom files over to my phone to flash in recovery?
Click to expand...
Click to collapse
Well if you cant access twrp then your not flashing anything; did you try downloading the latest Nexus 6p factory image and using adb to flash it?? If you need help with that I can lay it out for you. Also there was an efs partition issue with twrp 3.0.2-1 and down so make sure your twrp is 3.0.2-2!
ArminasAnarion said:
Well if you cant access twrp then your not flashing anything; did you try downloading the latest Nexus 6p factory image and using adb to flash it?? If you need help with that I can lay it out for you. Also there was an efs partition issue with twrp 3.0.2-1 and down so make sure your twrp is 3.0.2-2!
Click to expand...
Click to collapse
I can access TWRP. I haven't tried the latest factory image, only September's release. I just tried a custom rom and it gets to the Google screen but then loops just after the G starts to animate.
ChazLanier said:
I can access TWRP. I haven't tried the latest factory image, only September's release. I just tried a custom rom and it gets to the Google screen but then loops just after the G starts to animate.
Click to expand...
Click to collapse
Make sure your using twrp 3.0.2-2; and download the latest factory image for the Nexus 6p (NBD90X) and use adb (fastboot) to flash that whole thing. Extract the files to your android sdk platform tools folder then run the flash-all.bat file. (If you are using a 64gb or 128gb device DONT DO THIS) Only do this with the 32gb model. If its a 64 or 128 model go here -> http://forum.xda-developers.com/nexus-6p/general/guides-how-to-guides-beginners-t3206928 and go to sub section 10. How To Flash The Factory Images (And Return To Stock) (On post two) and follow that.
ArminasAnarion said:
Make sure your using twrp 3.0.2-2; and download the latest factory image for the Nexus 6p (NBD90X) and use adb (fastboot) to flash that whole thing. Extract the files to your android sdk platform tools folder then run the flash-all.bat file. (If you are using a 64gb or 128gb device DONT DO THIS) Only do this with the 32gb model. If its a 64 or 128 model go here -> http://forum.xda-developers.com/nexus-6p/general/guides-how-to-guides-beginners-t3206928 and go to sub section 10. How To Flash The Factory Images (And Return To Stock) (On post two) and follow that.
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Click to collapse
Downloading the image now. I'm familiar on how to flash stock images, they're how I usually do all of my updates.
ChazLanier said:
Downloading the image now. I'm familiar on how to flash stock images, they're how I usually do all of my updates.
Click to expand...
Click to collapse
Oh okay cool! Good luck!
ArminasAnarion said:
What version of twrp were you using?? Also what company makes the storage (not memory) on your device?
Click to expand...
Click to collapse
Samsung storage, and I thought I was on -2 but it seems like I was on -1.
ArminasAnarion said:
Oh okay cool! Good luck!
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Click to collapse
Newest image didn't work either..
Have you tried WugFresh's Nexus Root Toolkit? Not sure if it will work for your situation, but it has an option to restore to factory settings and unroot if you're soft-bricked or bootlooped. Might be worth a shot if everything else isn't working.
FWIW, I successfully updated to 7.1.1 NPF10C and rooted by using fastboot to flash bootloader, radio, boot, system, and vendor. Then used TWRP 3.0.2-2 to flash SuperSU 2.78 SR1. No issues.
Howie Dub said:
Have you tried WugFresh's Nexus Root Toolkit? Not sure if it will work for your situation, but it has an option to restore to factory settings and unroot if you're soft-bricked or bootlooped. Might be worth a shot if everything else isn't working.
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Click to collapse
No luck on this either.

Need stock Ascend XT recovery

Does anyone have a copy of the stock recovery? I'm trying to upgrade to b150 (both automated via the setting menu and manually by secret menu) but every time it tries to flash the firmware, the phone just reboots to TWRP and sits there.
Any help would be appreciated.
The directions you should be following have a copy of the stock recovery, don't they? If not, post a link to those directions.
Bill R said:
Does anyone have a copy of the stock recovery? I'm trying to upgrade to b150 (both automated via the setting menu and manually by secret menu) but every time it tries to flash the firmware, the phone just reboots to TWRP and sits there.
Any help would be appreciated.
Click to expand...
Click to collapse
divineBliss said:
The directions you should be following have a copy of the stock recovery, don't they? If not, post a link to those directions.
Click to expand...
Click to collapse
The first attempt was not following a guide. It was by going into the AT&T Software Update settings applet (my phone is on b140 and b150 was downloaded this way). That would start to load the update, reboot the phone into TWRP and then sit there. Subsequent booting into the OS would only re-attempt to install the update which would again reboot to TWRP.
After recovering my phone from a pre-update backup I tried, somewhat, following this method:
https://forum.xda-developers.com/android/development/guide-how-to-update-b130-to-b140-b150-t3555254
I was able to install the stock b140 image from my SD card but where it said TWRP would be gone, mine still had it. Attempting the secret menu would start the firmware update which would, again, boot to TWRP and sit there.
The stock ROMs in that guide thread should have stock recovery images. Just restore one of those stock recovery images using TWRP. Does your phone still have root?
Bill R said:
The first attempt was not following a guide. It was by going into the AT&T Software Update settings applet (my phone is on b140 and b150 was downloaded this way). That would start to load the update, reboot the phone into TWRP and then sit there. Subsequent booting into the OS would only re-attempt to install the update which would again reboot to TWRP.
After recovering my phone from a pre-update backup I tried, somewhat, following this method:
https://forum.xda-developers.com/android/development/guide-how-to-update-b130-to-b140-b150-t3555254
I was able to install the stock b140 image from my SD card but where it said TWRP would be gone, mine still had it. Attempting the secret menu would start the firmware update which would, again, boot to TWRP and sit there.
Click to expand...
Click to collapse
divineBliss said:
The stock ROMs in that guide thread should have stock recovery images. Just restore one of those stock recovery images using TWRP. Does your phone still have root?
Click to expand...
Click to collapse
I checked when you asked and surprisingly it does not. I'm surprised because I thought I re-installed it when I flashed the b140 ROM from that thread.
I'll try again this evening.
Also, if you followed the rooting guides, you should have your own copy of the stock recovery in your first TWRP backup.
Bill R said:
I checked when you asked and surprisingly it does not. I'm surprised because I thought I re-installed it when I flashed the b140 ROM from that thread.
I'll try again this evening.
Click to expand...
Click to collapse
Bill R said:
I checked when you asked and surprisingly it does not. I'm surprised because I thought I re-installed it when I flashed the b140 ROM from that thread.
I'll try again this evening.
Click to expand...
Click to collapse
The roms do NOT include Stock Recovery or any recovery for that matter ...Roms don't flash recovery (none that I have ever flashed anyway)
If you need B140 Stock recovery it's here B140.Stock.recovery.img
The Guide kind of assumes you just did the B130 to B140 update and you already have stock recovery installed
and yes if your phone was B140 when you rooted it you should already have your own stock backup of B140
I have to confess to a case of cranial flatulence. I had made a stock recovery backup. I'll proceed to banging my head on my desk now.
Back to business. So, after breaking my phone three times today, I finally got it back to the stock b140 (H1611C07B140) from the other thread and I'm ready to try the firmware upgrade again. I still have TWRP on it though so I'm wondering if I should reinstall the stock recovery first before trying the firmware upgrade. The other thread states that the b140-to-b150 firmware should overwrite the recovery but for me every time I do the firmware it boots to TWRP and sits there.
Bill R said:
I have to confess to a case of cranial flatulence. I had made a stock recovery backup. I'll proceed to banging my head on my desk now.
Back to business. So, after breaking my phone three times today, I finally got it back to the stock b140 (H1611C07B140) from the other thread and I'm ready to try the firmware upgrade again. I still have TWRP on it though so I'm wondering if I should reinstall the stock recovery first before trying the firmware upgrade. The other thread states that the b140-to-b150 firmware should overwrite the recovery but for me every time I do the firmware it boots to TWRP and sits there.
Click to expand...
Click to collapse
Yes I corrected the Guide
Flash stock recovery before doing the dload/ update.app flash
as soon as the firmware update is done boot to the bootloader
fastboot boot H1611.TWRP.New.img
then mount cust / system and data and flash the B150.Stock.rom
also flash Supersu and reboot
Thanks guys! I was finally able to get the b150 on with the additional instructions. Key was a couple of items:
Me confusing TWRP that I already had with H1611.TWRP.New.img.
Needing to go back to the stock recovery for the firmware upgrade
Discovering, by chance, that to get to fastboot mode with the power + volume down button it had to be connected to the PC via USB. It doesn't work if not connected.
Tomorrow I will get to where I've been wanting by installing the ROM to get rid of the AT&T bloat.
So thanks again!
Bill R said:
Thanks guys! I was finally able to get the b150 on with the additional instructions. Key was a couple of items:
Me confusing TWRP that I already had with H1611.TWRP.New.img.
Needing to go back to the stock recovery for the firmware upgrade
Discovering, by chance, that to get to fastboot mode with the power + volume down button it had to be connected to the PC via USB. It doesn't work if not connected.
Tomorrow I will get to where I've been wanting by installing the ROM to get rid of the AT&T bloat.
So thanks again!
Click to expand...
Click to collapse
It's pretty clear in the guide
When it's done it will reboot the phone so now boot to the bootloader with power + volume down while hooked to the PC via USB
Click to expand...
Click to collapse
Anyway congratulations
I hope you Enjoy the CleanRom

Bricked, bootloop tried all I can think of

I was on the last beta n4f26t, and flash TWRP successfully, then went to flash superSU from twrp, this when wrong and everything goes downhill from here. I tried flashing back the last update, in it's entirety following the Heisenberg guide for returning to stock didn't work, tried flashing twrp again still can't get into recovery (just boot loops) I tried a previous update NMF26F and got to the dead android recovery screen but when I tried to flash back the OTA nothing happened and went back to bootloop on reboot. I've used the nexus root kit and still nothing. What can I do to fix this? I've honestly looked up every resource I could think of before posting this here. really hoping I didn't perma brick my 6P
maddmarkk said:
I was on the last beta n4f26t, and flash TWRP successfully, then went to flash superSU from twrp, this when wrong and everything goes downhill from here. I tried flashing back the last update, in it's entirety following the Heisenberg guide for returning to stock didn't work, tried flashing twrp again still can't get into recovery (just boot loops) I tried a previous update NMF26F and got to the dead android recovery screen but when I tried to flash back the OTA nothing happened and went back to bootloop on reboot. I've used the nexus root kit and still nothing. What can I do to fix this? I've honestly looked up every resource I could think of before posting this here. really hoping I didn't perma brick my 6P
Click to expand...
Click to collapse
Edit I was on NPG47I the lastest beta update not n4f26t
Hello... So now you only have access to the bootloader Or bootloader and stock recovery?
If your bootloader is unlocked, you can try:
fastboot erase cache
fastboot format userdata
Of course it will wipe your internal storage...
maddmarkk said:
Edit I was on NPG47I the lastest beta update not n4f26t
Click to expand...
Click to collapse
I would concentrate on trying to get a working recovery first. Almost everyone who lost recovery mode never got their phone back- classic BLOD. First try fastboot FORMATTING recovery and then both fastboot flash twrp, and then fastboot boot twrp. If you can get a working recovery there may be hope. If you can never boot to recovery mode, I think you are done. From your bootloader screen, what is your bl version?
v12xke said:
I would concentrate on trying to get a working recovery first. Almost everyone who lost recovery mode never got their phone back- classic BLOD. First try fastboot FORMATTING recovery and then both fastboot flash twrp, and then fastboot boot twrp. If you can get a working recovery there may be hope. If you can never boot to recovery mode, I think you are done. From your bootloader screen, what is your bl version?
Click to expand...
Click to collapse
just updated it to 3.67 from the 7.1.2 beta image
maddmarkk said:
just updated it to 3.67 from the 7.1.2 beta image
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Click to collapse
Yes, but is that what is shown on your bootloader screen? How did you flash it? With flash-all.bat? Which 7.1.2 image did you flash and how did you do it?
v12xke said:
Yes, but is that what is shown on your bootloader screen? How did you flash it? With flash-all.bat? Which 7.1.2 image did you flash and how did you do it?
Click to expand...
Click to collapse
BL: angler-03.6.7
Baseband: angler-3.81
I see all normal BL options and I flashed it with the nexus root kit and used https://developer.android.com/preview/download-712.html this image
I know with older versions of TWRP there was a problem with the EFS partition that contains the IMEI info. What version of twrp are you using??? I thought I bricked my Nexus 6p after restoring a backup but it was actually just me screwing up my EFS partition. The newer versions of twrp (i think 3.0.3 and up) fixed this problem. Still though, if it is that, and you flash a new twrp version it won't fix your problem. If you have the time search through the forum for the EFS partition fix. I don't know the commands off the top of my head but I know this helped a lot of people. Worth a shot.
maddmarkk said:
BL: angler-03.6.7
Baseband: angler-3.81
I see all normal BL options and I flashed it with the nexus root kit and used https://developer.android.com/preview/download-712.html this image
Click to expand...
Click to collapse
OK, but when you try to boot to recovery, it bootloops? Never goes to recovery? Try the steps above to successfully flash the recovery partition using fastboot. I suppose you can use NRT, but download the latest version of TWRP and try both flashing and booting the twrp.img.
same boat
anxious to hear results: I can't get to recovery and am bootlooping - tried a bunch of things using Nexus Root Toolkit . Curiously enough earlier when I was trying to flash an older version or ressurection remix, even my TWRP would bootloop so I couldn't flash anything without it quitting - anyone ever hear of that happening?
mikeygeer said:
anxious to hear results: I can't get to recovery and am bootlooping - tried a bunch of things using Nexus Root Toolkit . Curiously enough earlier when I was trying to flash an older version or ressurection remix, even my TWRP would bootloop so I couldn't flash anything without it quitting - anyone ever hear of that happening?
Click to expand...
Click to collapse
Hello... Try looking here: https://forum.xda-developers.com/nexus-6p/help/boot-loop-death-nexus-6p-t3533528
v12xke said:
OK, but when you try to boot to recovery, it bootloops? Never goes to recovery? Try the steps above to successfully flash the recovery partition using fastboot. I suppose you can use NRT, but download the latest version of TWRP and try both flashing and booting the twrp.img.
Click to expand...
Click to collapse
I have flashed TWRP 3.1 and I can not boot into recovery, I flashed it manually with fastboot flash recovery "image"
maddmarkk said:
I have flashed TWRP 3.1 and I can not boot into recovery, I flashed it manually with fastboot flash recovery "image"
Click to expand...
Click to collapse
Hey... Did you try to boot TWRP?
From bootloader: fastboot boot twrp.img
If this fails and you only have access to the bootloader, i think you are SOL.
Good luck...
5.1 said:
Hey... Did you try to boot TWRP?
From bootloader: fastboot boot twrp.img
If this fails and you only have access to the bootloader, i think you are SOL.
Good luck...
Click to expand...
Click to collapse
you meant do this in the fastboot CMD right? if so then it just boot loops :'C
maddmarkk said:
you meant do this in the fastboot CMD right? if so then it just boot loops :'C
Click to expand...
Click to collapse
Yep from bootloader:
fastboot boot TWRP.img
I don't have any other idea sorry...
You can try to contact Google or Huawei. Even being out of warranty, some people have had their device replaced.
Good luck...
maddmarkk said:
you meant do this in the fastboot CMD right? if so then it just boot loops :'C
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Click to collapse
Are you able to get into recovery and adb sideload a stock OTA from the google developer website? That's always saved me when I've had problems.
DEVILOPS 007 said:
Are you able to get into recovery and adb sideload a stock OTA from the google developer website? That's always saved me when I've had problems.
Click to expand...
Click to collapse
Guess you didn't read the rest of the the thread...
We don't need more posts about bootloop. There is a main topic that has been discussed for multiple pages:
https://forum.xda-developers.com/nexus-6p/help/boot-loop-death-nexus-6p-t3533528
I personally had the issue and had to RMA the phone. I suggest you do the same.
5.1 said:
Guess you didn't read the rest of the the thread...
Click to expand...
Click to collapse
Yeah honestly I couldn't be bothered to be perfectly truthful
so i'm going thru the same thing as OP.
I need help.

Stuck in TWRP after pushed upgrade 28s

This morning I my phone pesented itself in TWRP.
Maybe this is because over the past days I repeatedly got notifications that a system upgrade wanted to install itself (I have a modified 26s X720 from Tora33).
I rejected those notifications.
Now I am stuck in TWRP and I cannot get around it. What I tried:
Reinstalling previous firmware (Tora33 26s) still on the phone
Restoring a TWRP backup from 6 months ago (TWRP didn't see it, maybe it's from a previous TWRP version, I now have v. 3.1)
Flash via fastbood factory image using Mauro's Tool All In One (error message "can't find file mke2fs.conf")
Wipe data, cache, dalvik cache, system; then install Mauro_V2.2 cleansed 23s firmware which I transferred to the phone
Every time it boots up in TWRP.
Your bricked you never flash ota with twrp you should read before doing anything.
The only thing that can help is ofil.
I suggest you study well before trying it.
Sent from my LEX720 using xda premium
mchlbenner said:
Your bricked you never flash ota with twrp you should read before doing anything.
The only thing that can help is ofil.
I suggest you study well before trying it.
Click to expand...
Click to collapse
Oh boy. Thanks anyway. OTA flashed itself, couldn't stop it. Maybe I made it worse by trying to fix.
The bootloader is not locked according to the AIO tool. I can flash succesfully any firmware, only after flashing the phone will still boot in TWRP. It is strange it still boots in TWRP. Is there no simpler trick like flashing the standard recovery and then flashing OFW?
You mention Ofil; do you think the guide described here work?
Wortelstok said:
Oh boy. Thanks anyway. OTA flashed itself, couldn't stop it. Maybe I made it worse by trying to fix.
The bootloader is not locked according to the AIO tool. I can flash succesfully any firmware, only after flashing the phone will still boot in TWRP. It is strange it still boots in TWRP. Is there no simpler trick like flashing the standard recovery and then flashing OFW?
You mention Ofil; do you think the guide described here work?
Click to expand...
Click to collapse
Yes, that QFIL guide is for the x720.
In my opinion, the best way to return stock is to push update.zip into phones main folder, then install stock recovery, then in this one install update zip then check that OS is working. If it is, then go into twrp and wipe. Can't do it?
I'll mention myself;
https://forum.xda-developers.com/le-pro3/how-to/guide-simple-to-return-to-stock-x720-t3618658
marik1 said:
In my opinion, the best way to return stock is to push update.zip into phones main folder, then install stock recovery, then in this one install update zip then check that OS is working. If it is, then go into twrp and wipe. Can't do it?
I'll mention myself;
https://forum.xda-developers.com/le-pro3/how-to/guide-simple-to-return-to-stock-x720-t3618658
Click to expand...
Click to collapse
If he was just going back stock that would work he flash 28s ota with twrp so this will not work.
Sent from my LEX720 using xda premium
No brick after OFW push 28s
The pushed (unvoluntary) update didn't brick my phone after all. This may be important for those that have modified stock ROMs with TWRP.
Not being able to restore OFW was a bug in Mauro's All-in-One tool which he fixed last night. After I could easily flash 20S or 26S stock from his repository. I would also recommend this as safest/easiest procedure. Afterwards you can just flash TWRP from the same tool and move from there.
By the way, immediately after flashing 20s the FW notified it wanted to update itself, again!
n my opinion, the best way to return stock is to push update.zip into phones main folder, then install stock recovery, then in this one install update zip then check that OS is working. If it is, then go into twrp and wipe. Can't do it?
Click to expand...
Click to collapse
Might have tried that

HELP !!! Bootloop after OTA update.

Hi, I downloaded the last update in OTA but after reboot I'm stuck on the boot animation.
I'm on the stock rom, never updated since I bought the phone in august.
I'm root and of course my bootloader is unlocked. I have TWRP that I managed to reinstall with ADB Sideload after this f***ing update get me back on stock recovery.
Now I keep trying install Roms (Official and customs) via ADB Sideload. Each time it look like the install is successful but then TWRP tell me "no os install, are you sure you want to reboot". Then I'm always stuck on the boot animation (at least it's the animation of the rom I tried to install).
Before I tried to update via OTA the 1st time I made a backup with TWRP but now all my files have been replaced by files with random letters ans numbers, so I can't even restore my backup and I'm affraid I lost everything I had on my phone.
What should I do now ?
Thanks for your help
Simply reflash the rom or do factory reset using pc { adb }
Swarup550 said:
Simply reflash the rom or do factory reset using pc { adb }
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as i said, after flashing a rom it tell me "no os installed".
by factory reset you mean format hd ? i'd like not to loose everything.
Then you have to format it and then you have to install the stock rom.
Swarup550 said:
Then you have to format it and then you have to install the stock rom.
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oh no :crying:
well, if i have no choice
Ya you hav to sacrifice your data
i think oneplus could warn you before download update !!!
i just had a message that told me that i was root and i won't be root anymore after updated. nothing about that i'll have to format my phone
It's done. It seems to work fine
Thanks a lot for your help
Kawa Banana said:
It's done. It seems to work fine
Thanks a lot for your help
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Welcome.But next time if u want to root use adb to flash twrp then flash super su or i prefer magisk module:

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