Database Develop

[Q] Can you just boot twrp recovery?

All,
I'm coming from a nexus environment where I've been able to do fastboot boot twrp-2.6.3.1-ghost-4.4.img rather than fastboot flash recovery twrp-2.6.3.1-ghost-4.4.img since I'm hoping to keep the stock recovery while installing supersu. It complains about "(bootloader) Command restricted" with the MotoX even though my bootloader is unlocked. Is this typical of Moto devices? Do I actually need to flash twrp, then supersu and then the stock recovery if that's the final result I want? FWIW, I want SU on it but I'd like to also receive future OTA updates w/o too much dorking around of at all possible.
thanks peterb

Are you using mfastboot or just regular fastboot?

I fastboot twrp no problem. I did however mfastboot the system.img . But to answer your question twrp will ask you if you want to root when you go to reboot.

Fastboot flash recovery twrp 2.6.3.1-ghost-4.4.img is the command, when you flash do not reboot the device to the system but boot into recovery instead, you should be good to go and twrp should ask if you wish to root, if not just download the flashable supersu zip
Sent on my Moto X

I understand that you should flash if you want to have TWRP installed on your phone but that's not what I want. I'd like to just boot into TWRP, install the SuperSU.zip and then boot back up as normal leaving the stock recovery in place so that I will continue to get OTA updates. I get that this is likely not the norm but it's what I did with my N4 to get SuperSu so that I could update boot.prop for flashing a hybrid radio. Doing this made it easier to get the phone back to OTA ready w/o having to flash the stock recovery back.
I found a couple of posts in the N4 where the fastboot command failed and you needed to start using the "-c" command. I was wondering if this was the problem I was running into. The argument for -c is a bit cryptic so I worry that the one I found is likely N4 specific:
fastboot -c "lge.kcal=0|0|0|x" boot customrecovery.img
Basically what I'm wondering is if anyone has been able to just boot into TWRP w/o actually flashing it to the recovery partition.
If this is not possible then I'll flash TWRP, root and then flash the stock recovery back on since I did get the stock 4.4 image from Motorola.
thanks peterb
flashallthetime said:
Fastboot flash recovery twrp 2.6.3.1-ghost-4.4.img is the command, when you flash do not reboot the device to the system but boot into recovery instead, you should be good to go and twrp should ask if you wish to root, if not just download the flashable supersu zip
Sent on my Moto X
Click to expand...
Click to collapse

Interested in this as well, for booting kernels. Device support has been hit-or-miss for me in the past.
And folks, he's asking about fastboot's ability to launch an image _without_ flashing. This is a somewhat esoteric/advanced use.

I'm interested in this too even though I have a locked Moto X.

I didn't know this was possible, huh. As for our device, it'll probably help if we can figure out what that -c command means.
Sent from my Moto-X (GSM DE) using the xda-developers app

thehockeydude44 said:
I didn't know this was possible, huh. As for our device, it'll probably help if we can figure out what that -c command means.
Sent from my Moto-X (GSM DE) using the xda-developers app
Click to expand...
Click to collapse
If I'm remembering right, google took the ability to boot a recovery without loading one away in 4.2. We tried to do this on the HTC 1 Google edition when we pulled its partitions to make a system dump. It failed.

OTA fails when the device is rooted, even if you have the stock recovery.
The OTA zip checks the system partition. If there is any single modification, it fails.

you can just:
- flash twrp to recovery partition
- reboot into recovery
- install supersu
- reboot into fastboot
- flash stock recovery
- reboot to system
you have installed supersu and still have stock recovery -> you can take OTAs
edit: i just read that even with stock recovery, if u are rooted the ota won't work

Yea, this is the other way to do it. It's just a bummer if one can't use the flexibility to just boot into recovery. Note that I still seem to be able to boot into custom recovery on my Nexus 4 that's running KitKat. I'm curious about the comment about not getting an OTA with su installed. I know that with a modified build.prop and radio, the N4 wouldn't update but I could adb sideload successfully once I put build.prop back and the stock radio on. I figured the OTA would just unroot and then I'd have to do the process again.
Anyway, this was my plan B, just would have preferred to boot recovery.
peterb
waiflih said:
you can just:
- flash twrp to recovery partition
- reboot into recovery
- install supersu
- reboot into fastboot
- flash stock recovery
- reboot to system
you have installed supersu and still have stock recovery -> you can take OTAs
edit: i just read that even with stock recovery, if u are rooted the ota won't work
Click to expand...
Click to collapse

if u want to "unroot" to take otas, u can just flash stock system

waiflih said:
you can just:
- flash twrp to recovery partition
- reboot into recovery
- install supersu
- reboot into fastboot
- flash stock recovery
- reboot to system
you have installed supersu and still have stock recovery -> you can take OTAs
edit: i just read that even with stock recovery, if u are rooted the ota won't work
Click to expand...
Click to collapse
I am interested in this as well. How do we get a copy of the stock recovery to reflash?
Also, I have had rooted stock and custom recoveries and have received OTA's before (but they were on Nexus devices).

droiddog said:
I am interested in this as well. How do we get a copy of the stock recovery to reflash?
Also, I have had rooted stock and custom recoveries and have received OTA's before (but they were on Nexus devices).
Click to expand...
Click to collapse
you can take it from the the file used in rsdlite, according to you fw version

The only reason I want the stock recovery is because I think you can't remotely lock or erase your device on a custom recovery. Does anyone know anything to the contrary? Thanks.

Fastboot Boot Recovery.IMG not Working after Update

I have been using "fastboot boot recovery.img" to load into TWRP after OTA updates to load SuperSU as I am only rooted using the stock ROM. However, after this recent update (2.16.651.4) that includes the WiFi Calling and Android 4.4.3, when I run the command it just causes the phone to reboot. It does not reboot into TWRP, which is my recovery.img file.
I found a Nexus thread talking about having to add a kernel command line for the Nexus after a certain version of hboot, so I am not sure if it is related.
Does anyone know how to fastboot boot now with the latest update? I would like to avoid replacing my stock recovery with TWRP and just continue to boot into it. Alternatively, is there any other way to install supersu?
Thank you,
Ben

ReproOne said:
I have been using "fastboot boot recovery.img" to load into TWRP after OTA updates to load SuperSU as I am only rooted using the stock ROM. However, after this recent update (2.16.651.4) that includes the WiFi Calling and Android 4.4.3, when I run the command it just causes the phone to reboot. It does not reboot into TWRP, which is my recovery.img file.
I found a Nexus thread talking about having to add a kernel command line for the Nexus after a certain version of hboot, so I am not sure if it is related.
Does anyone know how to fastboot boot now with the latest update? I would like to avoid replacing my stock recovery with TWRP and just continue to boot into it. Alternatively, is there any other way to install supersu?
Thank you,
Ben
Click to expand...
Click to collapse
As a quick work around flash twrp onto the device, once done with it then flash the factory recovery back, Also check to make sure your bootloader didn't relock after update.
stock recovery from the update.

nfinitefx45 said:
As a quick work around flash twrp onto the device, once done with it then flash the factory recovery back, Also check to make sure your bootloader didn't relock after update.
stock recovery from the update.
Click to expand...
Click to collapse
Thank you for the reply. I thought about taking that approach, but I was really hoping someone would have an answer on why the procedure wasn't working now. My bootloader is still unlocked.
I found this as an approach someone did on the Nexus 4 for a similar issue:
fastboot -c "lge.kcal=0|0|0|x" boot customrecovery.img
Thoughts?

nfinitefx45:
I did just now flash TWRP into recovery, loaded SuperSU, and then flashed your recovery.img back to the phone. So thank you very much for the recovery.img.
I'd still like to know if fastboot boot can still work, and also if there is a way in the future I can get my own recovery.img (possibly back it up before taking an OTA)?

ReproOne said:
nfinitefx45:
I did just now flash TWRP into recovery, loaded SuperSU, and then flashed your recovery.img back to the phone. So thank you very much for the recovery.img.
I'd still like to know if fastboot boot can still work, and also if there is a way in the future I can get my own recovery.img (possibly back it up before taking an OTA)?
Click to expand...
Click to collapse
not sure about the fastboot issue, but to backup your recovery any time just go to adb and type the following
adb shell
su
dd if=/dev/block/mmcblk0p43 of=/sdcard2/recovery.img
this will copy your recovery to the external sdcard

Thank you for those steps. I do not have an external SD card installed, so I modified it to store the recovery.img on sdcard instead.
Now I can always fastboot flash twrp and then back to stock recovery.
Thank you again!

nfinitefx45 said:
not sure about the fastboot issue, but to backup your recovery any time just go to adb and type the following
adb shell
su
dd if=/dev/block/mmcblk0p43 of=/sdcard2/recovery.img
this will copy your recovery to the external sdcard
Click to expand...
Click to collapse
You would need root to do this. Not being able to use "fastboot boot" you would just be backing up the flashed recovery. Possibly towel root temp root, but I would assume it has been patched in newest update.

So I am S-On with a non-HK M8
I was on stock rooted 4.4.2 and I flashed the stock recovery and took the OTA
Now I am on 4.4.3 and still have SuperSU installed (not rooted)
Everything is working fine, but when I try to boot to recovery i get the red triangle with the !
Any suggestions?

neudof said:
So I am S-On with a non-HK M8
I was on stock rooted 4.4.2 and I flashed the stock recovery and took the OTA
Now I am on 4.4.3 and still have SuperSU installed (not rooted)
Everything is working fine, but when I try to boot to recovery i get the red triangle with the !
Any suggestions?
Click to expand...
Click to collapse
That's the stock recovery. Did you ever flash a custom recovery back on after the OTA?

xPhantom said:
That's the stock recovery. Did you ever flash a custom recovery back on after the OTA?
Click to expand...
Click to collapse
I am s-on & unlocked but i was able to flash the stock recovery from sd card to take the ota.
Is it possible to flash twrp back in the same way?

neudof said:
I am s-on & unlocked but i was able to flash the stock recovery from sd card to take the ota.
Is it possible to flash twrp back in the same way?
Click to expand...
Click to collapse
Yes, after the OTA, just flash TWRP back through fastboot and then re-flash SuperSU to get root back.

nfinitefx45 said:
As a quick work around flash twrp onto the device, once done with it then flash the factory recovery back, Also check to make sure your bootloader didn't relock after update.
stock recovery from the update.
Click to expand...
Click to collapse
I just applied the update released today, and I tried to save the recovery.img file before flashing TWRP. However, it kept giving me permission denied. Do you have the recovery.img file from the update released today so I can use it for the next update?

fastboot not working
please any help on how to access fastboot on HTC one m8.
its showing black screen n fastboot mode...
wot can I do 2 annul d problem

rooting problem
hey i am using htc one m8, i unlocked the bootloader and the device reads as
device status modified
*unlocked*
s-on
after this i flashed twrp and cwm a couple of times but its not loading on the device but shows success in the command window, however after clicking on recovery the custom recovery does not show up, and it reboots back into the fastboot mode.
please help me
thank you

jinal shah said:
hey i am using htc one m8, i unlocked the bootloader and the device reads as
device status modified
*unlocked*
s-on
after this i flashed twrp and cwm a couple of times but its not loading on the device but shows success in the command window, however after clicking on recovery the custom recovery does not show up, and it reboots back into the fastboot mode.
please help me
thank you
Click to expand...
Click to collapse
What's the output in the terminal when you fastboot flash recovery?

rooting problem
It doesn't show any error as such.
In the command window it shows successful.
But when I click on recovery it reboots back to fast boot.
Like for a second it shows the screen which reads 'this build is only for developers'
But then instead of opening Twrp it reboots back to fast boot.

Couple questions after unlocking bootloader (XT1096)

Ok, here's the rundown - I have a VZW Moto X (XT1096). I previously ran mofo on it had flashed the 5.1 img files to it and so had 5.1 rooted, but with a locked bootloader. After learning that JCase had gotten sunshine to work on it I unlocked my boot loader. I then decided that because I was worried about having the a kind of mish-mash of systems on it, i.e., 5.0 bootloader (unlocked) with hacked and modded 5.1 system files flashed from mofo, that I wanted to start fresh. I then used the XT1096 flash to stock script and flashed back to 5.0 (there were a bunch of problems and bootloops and force closes, but I am happy to report I am now on a fully stock 5.0 with unlocked BL). Following being stock I have tried to take the OTA but have been unable to do so. When I try it OTA on my device it just sits at 0%. When I tried using MDM it gave me an error message that it failed to install the update - on the device it said getjar: unlocked.
So, now that I am on 5.0 with an unlocked bootloader I am not sure how to proceed with my priorities, Root, WiFi tethering and upgrading to 5.1. My questions are this:
(1) How can I upgrade to 5.1 or does my bootloader unlock preclude that?
(2) How best can I achieve root?
(3) Once I am rooted what do I need to do in order to enable wifi tethering?
Thank you so much!

Okay I can't help with all your issues since I didn't get that problem. It seems like whatever you did to install your phone back to 5.0 it wasn't a clean install or you didn't do a clean data wipe to remove errors, which caused it to not able to receive OTA. I do not believe unlocking bootloader preclude you from receiving OTAs because it worked for me.
1. What you should try to do is download this stock 5.0 firmware package, run the bat file with the latest adb/fastboot, then boot into recovery after that and do a data/cache wipe just to make sure. Then boot in the phone and try to do the OTA again.
2. To get root, I use TWRP recovery to flash SuperSU. This is the standard way in fact.
Download SuperSU.zip and put it in the phone: http://download.chainfire.eu/supersu
Get the latest TWRP image here for the Moto X 2014: https://dl.twrp.me/victara/
Flash the recovery using the command: fastboot flash recovery twrp-2.x.x.x-victara.img
Boot into recovery and flash the SuperSu.zip.
Note that now you have made changes to the recovery and system partition, so in order to receive future OTA updates, you need to use fastboot and flash the stock system.img and recovery.img before doing the update.
3. I don't have experience with Verizon network. I use T-Mobile on this Verizon device and I just enable WiFi Hotspot. In the APN settings, in the "APN type" field, I add the value "dun". And set everything to IPv4.

Okay I can't help with all your issues since I didn't get that problem. It seems like whatever you did to install your phone back to 5.0 it wasn't a clean install or you didn't do a clean data wipe to remove errors, which caused it to not able to receive OTA. I do not believe unlocking bootloader preclude you from receiving OTAs because it worked for me.
1. What you should try to do is download this stock 5.0 firmware package, run the bat file with the latest adb/fastboot, then boot into recovery after that and do a data/cache wipe just to make sure. Then boot in the phone and try to do the OTA again.
2. To get root, I use TWRP recovery to flash SuperSU. This is the standard way in fact.
Download SuperSU.zip and put it in the phone: http://download.chainfire.eu/supersu
Get the latest TWRP image here for the Moto X 2014: https://dl.twrp.me/victara/
Flash the recovery using the command: fastboot flash recovery twrp-2.x.x.x-victara.img
Boot into recovery and flash the SuperSu.zip.
Note that now you have made changes to the recovery and system partition, so in order to receive future OTA updates, you need to use fastboot to flash the stock system.img and recovery.img before doing the update.
Can't help you with tethering since I don't have experience with Verizon network.

eksasol said:
Okay I can't help with all your issues since I didn't get that problem. It seems like whatever you did to install your phone back to 5.0 it wasn't a clean install or you didn't do a clean data wipe to remove errors, which caused it to not able to receive OTA. I do not believe unlocking bootloader preclude you from receiving OTAs because it worked for me.
1. What you should try to do is download this stock 5.0 firmware package, run the bat file with the latest adb/fastboot, then boot into recovery after that and do a data/cache wipe just to make sure. Then boot in the phone and try to do the OTA again.
2. To get root, I use TWRP recovery to flash SuperSU. This is the standard way in fact.
Download SuperSU.zip and put it in the phone: http://download.chainfire.eu/supersu
Get the latest TWRP image here for the Moto X 2014: https://dl.twrp.me/victara/
Flash the recovery using the command: fastboot flash recovery twrp-2.x.x.x-victara.img
Boot into recovery and flash the SuperSu.zip.
Note that now you have made changes to the recovery and system partition, so in order to receive future OTA updates, you need to use fastboot to flash the stock system.img and recovery.img before doing the update.
Can't help you with tethering since I don't have experience with Verizon network.
Click to expand...
Click to collapse
Thank you for the reply - got the update to take and have gotten the device rooted properly.
Now I just need to enable wifi tether - anyone know what is done in the Mofo images that allows it - can i do the same here?

I am interested in this question as well. I am in the exact same boat as the OP, except I am still on a Mofo 5.1 img that is giving me issues. I'd like to flash back to stock and take the OTA. But wifi tether will be a must.

Thanks to mikeoswego we have the tethering answer.
http://forum.xda-developers.com/showthread.php?p=62379151

eksasol said:
Okay I can't help with all your issues since I didn't get that problem. It seems like whatever you did to install your phone back to 5.0 it wasn't a clean install or you didn't do a clean data wipe to remove errors, which caused it to not able to receive OTA. I do not believe unlocking bootloader preclude you from receiving OTAs because it worked for me.
1. What you should try to do is download this stock 5.0 firmware package, run the bat file with the latest adb/fastboot, then boot into recovery after that and do a data/cache wipe just to make sure. Then boot in the phone and try to do the OTA again.
2. To get root, I use TWRP recovery to flash SuperSU. This is the standard way in fact.
Download SuperSU.zip and put it in the phone: http://download.chainfire.eu/supersu
Get the latest TWRP image here for the Moto X 2014: https://dl.twrp.me/victara/
Flash the recovery using the command: fastboot flash recovery twrp-2.x.x.x-victara.img
Boot into recovery and flash the SuperSu.zip.
Note that now you have made changes to the recovery and system partition, so in order to receive future OTA updates, you need to use fastboot to flash the stock system.img and recovery.img before doing the update.
Can't help you with tethering since I don't have experience with Verizon network.
Click to expand...
Click to collapse
I tried this but after I flash TWRP I can't boot to recovery. If I choose recovery from the bootloader it just turns off the phone (charging icon). If I send it adb reboot recovery I get error android "No Command."
Flashed it multiple times, tried mfastboot, no luck. Any ideas?
Edit: I feel dumb. I was using power button to try to select, it's volume up. Good to go.

GatorsUF said:
Thanks to mikeoswego we have the tethering answer.
http://forum.xda-developers.com/showthread.php?p=62379151
Click to expand...
Click to collapse
The other method (the one I used) was to install the Xtether xposed module for the 2013 Moto X - worked perfectly for me.

I feel like a complete noob for asking this in regards to my XT1096, but, how would I get rid of the unlocked bootloader warning message?

SargeStryker said:
I feel like a complete noob for asking this in regards to my XT1096, but, how would I get rid of the unlocked bootloader warning message?
Click to expand...
Click to collapse
Flashing this
http://forum.xda-developers.com/showthread.php?t=2871478

juliospinoza said:
Flashing this
http://forum.xda-developers.com/showthread.php?t=2871478
Click to expand...
Click to collapse
Thanks!

On stock 7.0 twrp recovery 2.8.5 took ota last night now stuck at twrp

Last night google must have asked if i wanted to take ota update and I must have said yes. I woke up this morning on twrp screen. I have tried factory mode on fastboot screen and installing backup and roms but it just keeps booting into twrp. Iwas thinkng of updating twrp but I am not sure that will help..

What does trying "factory mode on fastboot screen" mean? Are you saying you've tried flashing a factory image? If you haven't, that's what I would recommend. And update your recovery!
You can't take an OTA from Google with a custom recovery. You need to adb sideload the full OTA (provided by Google) in recovery (TWRP works) or fastboot flash a factory image.

What I tried was holding down power and vol down then goto factory on the fast boot screen. I do not see an option that says factory image. It has been a while since I have had issues or switched roms.

There is no specific mode you need to be on in the bootloader to flash an image. But you do have to be in the bootloader. Factory images (except OTA images apparently) cannot be flashed through TWRP.

Trying to do that now but adb is not seeing my phone in fastboot mode when I type adb devices. I am trying the sideload function in twrp but not sure that is going to work either.

Have you tried "fastboot devices"? ADB doesn't work in bootloader.

I figured it out back on stock 7.0. I was in a panic all morning without a phone. Funny how it feels not to have it. Almost like withdraw. What would have helped me was an up to date fast boot adb tutorial.

jspector said:
.... What would have helped me was an up to date fast boot adb tutorial.
Click to expand...
Click to collapse
Start with this link. http://forum.xda-developers.com/showthread.php?t=2277112

Re-Lock bootloader?

I unlocked my bootloader, installed twrp and several roms to try them out, then decided to go back to stock. Currently have OOS 3.5.4 installed with stock recovery (that came with the toolkit). However, whenever I try to lock the booltloader again, the phone won't boot up. It will bootloop, or just stay off with the led glowing white. I tried to sideload the stock ROM from OnePlus, but it fails after about 45% completion. I tried both 3.5.3 and 3.5.4 and both fail after about 45%. The only way to get the phone to boot again is by unlocking the bootloader again, then it boots just fine. Tried unlocking with the toolkit as well as fastboot oem lock. Both give me the prompt on the phone, then wipe the phone and go into the bootloop.
Any suggestions on how to re-lock the bootloader? I want to be able to get the OTA update, which I think will fail with an unlocked bootloader. Note, I have also tried loading the Nougat update from settings - system update - local upgade (both full and update) and they also fail to load shortly after booting to recovery.
Thanks,
TR

Instead of using the toolkit, try just doing it manually.
fastboot oem lock IS the correct way to lock the bootloader.
If you're running into all those issues, try to reflash the stock rom from the official site. OR try this
NOTE: This WILL wipe everything on your phone so make a backup first!
First Unlock booloader​1. On your phone go into Developer screen (Settings --> Developer Options)
If you don't have this go back to Settings --> About Device. Tap "Build number" 7-10 times to unlok developer options
2. In Developer Options turn on "USB Debugging" and "OEM Unlock"
3. Open ADB in command prompt and go to the directory where ADB is.
Type adb reboot bootloader
4. Once your device is in fastboot mode, type in fastboot devices to make sure your device is listed
5. Type in fastboot oem unlock to unlock your device bootloader
You can check to make sure it was properly unlocked by typing in fastboot oem device-info.
6. Reboot into your system
Files we need​7. Download the following files:
TWRP - https://build.nethunter.com/test-builds/twrp/oneplus/twrp-3.0.2-0-oneplus3t.img
No-verity-opt-encrypt - https://build.nethunter.com/android-tools/no-verity-opt-encrypt/no-verity-opt-encrypt-5.0.zip
Magisk - http://tiny.cc/latestmagisk
Phh-Superuser - https://forum.xda-developers.com/attachment.php?attachmentid=3988488&d=1483407725
Latest Stable Nougat Rom - http://otafsc.h2os.com/patch/amazon...s3TOxygen_28_OTA_035_all_1612310259_2dc0c.zip
8. Copy all the files to your phone (keep the original on your pc just in case)
9. Load back up to fastboot mode
In ADB type adb reboot bootloader
10. Flash twrp img we downloaded above by typing
fastboot flash recovery twrp-3.0.2-0-oneplus3t.img
11. After this reboot into the system
Install all of our downloaded files through TWRP​12. Now boot into recovery by issuing the following ADB command
adb reboot recovery (you should go into TWRP)
13. Once you're in twrp flash the "no-verity-opt-encrypt-5.0.zip" file OR you can format the data partition to f2fs to prevent the dm-verity error.
14. Now install the stock stable nougat rom we downloaded above
15. Do a factory system wipe / cache & dalvik
16. Install magisk through TWRP
17. Wipe cache/dalvik
18. Install phh SuperUser
19. Now reboot into the system normally.
NOTE: This *COULD* take a while since you did a clean install of nougat so just be patient and you should be good to go after this.

Thanks for the reply.
I did do fastboot oem lock, and it results in an unbootable system. fastboot oem unlock makes it bootable again. Not sure why. Also, whenever I do adb sideload <any_rom> it fails after about 45%. Not sure what's happening. Your instructions would get me to Nougat with TWRP and an unlocked bootloader, which may be what I end up doing, but I was trying to get back to fully stock, and locked again, so that OTA's will work properly. If nothing else works, I will go the route you suggest above.
Thanks again!

I just figured I'd try to get you to a working system/phone. After you get all that working you can probably lock your bootloader back to default. Now, I'm not 100% sure, but I believe that if you have a custom recovery you will need to restore that to stock as well before setting the bootloader back to locked.

TXRangerXDA said:
I unlocked my bootloader, installed twrp and several roms to try them out, then decided to go back to stock. Currently have OOS 3.5.4 installed with stock recovery (that came with the toolkit). However, whenever I try to lock the booltloader again, the phone won't boot up. It will bootloop, or just stay off with the led glowing white. I tried to sideload the stock ROM from OnePlus, but it fails after about 45% completion. I tried both 3.5.3 and 3.5.4 and both fail after about 45%. The only way to get the phone to boot again is by unlocking the bootloader again, then it boots just fine. Tried unlocking with the toolkit as well as fastboot oem lock. Both give me the prompt on the phone, then wipe the phone and go into the bootloop.
Any suggestions on how to re-lock the bootloader? I want to be able to get the OTA update, which I think will fail with an unlocked bootloader. Note, I have also tried loading the Nougat update from settings - system update - local upgade (both full and update) and they also fail to load shortly after booting to recovery.
Thanks,
TR
Click to expand...
Click to collapse
I also have the same problem, after the bootloader lock the phone does not start.
I tried with all the possible procedures, also even the rom flash in local and sideload it does not work, It comes to 45% and then fails.
we will highlight the problem, so everyone will know and maybe there is a solution

m0d hipp¥ said:
I just figured I'd try to get you to a working system/phone. After you get all that working you can probably lock your bootloader back to default. Now, I'm not 100% sure, but I believe that if you have a custom recovery you will need to restore that to stock as well before setting the bootloader back to locked.
Click to expand...
Click to collapse
But of course, you can't relock phone with a non standard recovery. Replace TWRP with the ROMs real recovery and relock will work again.

That's what I figured. Thanks for the confirmation.

Use the unbrick tutorial to go back to stock
This is what i did
https://forum.xda-developers.com/oneplus-3t/how-to/unbrick-unbrick-tutorial-oneplus-3t-t3515306

pitrus- said:
But of course, you can't relock phone with a non standard recovery. Replace TWRP with the ROMs real recovery and relock will work again.
Click to expand...
Click to collapse
I'm sorry, even with the stock recovery but does not work, it was the first thing I did

You can a unbick tutorial. It worked for my OnePlus 3T. Just search up How to unbrick (whatever OnePlus device you have) on Google. Then follow all the instructions carefully. If you need help with it I could try to do a remote session with you. Edit: It will erase all data and you will boot with oos 3.5.3 ( I also had the same issue as you. But I couldn't install any zip with stock recovery or adb side load.

Haven't seen nothing on the fórum about this particular subject, locking the bootloader seems a problem in this phone

enokack said:
Haven't seen nothing on the fórum about this particular subject, locking the bootloader seems a problem in this phone
Click to expand...
Click to collapse
Only if you have modified the phone in some way or another (like rooting and installing twrp) before trying to re-lock.
If you keep it stock, you should be able to re-lock. Or else, just use the Qualcomm restore method to re-lock.

tried this
OK what i did was when the phone was starting and vibrating I push the power bottom and volume down bottom at the same time ,then i connected the phone to the PC,from the panel in the phone there are 3 categories to erase everything on the phone I did it all(1,2,3) and then I put the phone in ADB mode from the control panel in the phone,After that I flash via fastboot the original .zip from one plus for the version 4.0.3 (1.4 GB) ,when it finished I restarted and the phone started normal again,I hope this help someone alse,I was so desesperated:silly:.

I think the problem in re-locking it is the modified boot image. Locked bootloaders don't support those.

re-locking bootloader will getback the warranty ???

No solutions till now

enokack said:
Haven't seen nothing on the fórum about this particular subject, locking the bootloader seems a problem in this phone
Click to expand...
Click to collapse
Its three easy steps, no need to use any toolkit just follow the instructions. https://forums.oneplus.net/threads/...-3-3t-and-go-back-completely-to-stock.456232/

Abrar123 said:
re-locking bootloader will getback the warranty ???
Click to expand...
Click to collapse
Unlocking the bootloader does not void the warranty on this device:
https://oneplus.net/support/answer/will-rooting-or-unlocking-the-bootloader-void-my-warranty

Once I have root, is there a command to re-lock and later eventually unlock the bootloader again?
I remember this was possible with google nexus devices, there was a shell command (require root) that was able to change bootloader status