Rooted OTA update behavior - OnePlus 6 Questions & Answers

Hello everyone, 2 questions:
I have a rooted Oneplus 6 with Official TWRP and Magisk. Yesterday I wanted to update to 5.1.6, so, with a VPN it downloaded the full zip through the update app. As soon as it finished downloading, it started to update directly.. Omg! I restarted immediately in recovery because I wanted to update from there, afraid of losing TWRP.
Question 1: what would have happened if I would had left the update app to finish installing?
From TWRP I updated the ROM, reflashed TWRP, and Magisk. Everything was up and running (slot b).
This morning I woke up and found that root was missing and phone had switched to slot a. I simply reflashed Magisk from recovery (slot a) and everything is good now.
Question 2: What happened? Another mysterious update during the night?
Thank you!

Hurizen said:
Hello everyone, 2 questions:
I have a rooted Oneplus 6 with Official TWRP and Magisk. Yesterday I wanted to update to 5.1.6, so, with a VPN it downloaded the full zip through the update app. As soon as it finished downloading, it started to update directly.. Omg! I restarted immediately in recovery because I wanted to update from there, afraid of losing TWRP.
Question 1: what would have happened if I would had left the update app to finish installing?
From TWRP I updated the ROM, reflashed TWRP, and Magisk. Everything was up and running (slot b).
This morning I woke up and found that root was missing and phone had switched to slot a. I simply reflashed Magisk from recovery (slot a) and everything is good now.
Question 2: What happened? Another mysterious update during the night?
Thank you!
Click to expand...
Click to collapse
1 you would've went completely stock.
2 a/b partitioning is for faster integration of system updates and only flashes on one of the 2 partitions.

mikex8593 said:
2 a/b partitioning is for faster integration of system updates and only flashes on one of the 2 partitions.
Click to expand...
Click to collapse
Hello, thanks for you reply.
I know it flahhes only on one partition, but after I flashed from TWRP I was rooted and on slot B. Then, something happened while I was sleeping and woke up with the phone not rooted and on slot B. This is very strange to me. Can you explain what happened? It updated?

This phone has no recovery partition. The kernel and recovery share the same partition. So when you flashed the full ota in twrp, recovery was overwritten and you lost root.
You should have just let it update, then reinstalled twrp and magisk. You are going to lose twrp and root with every ota anyway, which is how the update process is intended by OP. It gives you a clean stock slot with everything where it belongs. Reinstalling twrp and magisk is really not that hard.
This isn't like other phones where taking an ota w/root can cause a brick. OP has specifically designed the ota process on this phone to accommodate rooted users.

Hurizen said:
Hello, thanks for you reply.
I know it flahhes only on one partition, but after I flashed from TWRP I was rooted and on slot B. Then, something happened while I was sleeping and woke up with the phone not rooted and on slot B. This is very strange to me. Can you explain what happened? It updated?
Click to expand...
Click to collapse
you asked what happened:
if you are in one slot and fash mods, root, or anything else vie twrp it will behave like always, you will stay on that slot, reboot into sustem and all good.
the moment you fash a rom/update it will flash ti the other, non-current slot while your rdcovery zlsession will still show and be in the currently active slot
only upon reboot the device will decide to boot into the new slot.
to avoid loosing root and kernel, you have to manually change the slot and flash kernel and root in the new slot with the new system installed.
need more input? you'd have to pk because i won't come back here very often :highfive:

Related

Partitions

Hello everyone,
I don't know much about partitions but I know something is not right with mine
So, A few days ago my phone got bricked because I flashed crDroid rom. (I did something wrong)
So, after a lot of research, I found an solution to unbrick my phone. So it worked, I booted into software again and I was free to use.
So later, I decided to install an custom rom again (Havoc OS). I installed the rom but after I clean flashed the rom, I got stuck on booting logo.
So, I thought lets see what partition B does. So I booted into partition B and I got stuck on the logo of TWRP. Not sure why.
I really wanna know why this happend and how to fix my device.
(Btw, now my phone is working again and I am on stock os with rooted using Magisk 16,7.)
But just wanna know what I did wrong
I used the instruction in this thread: https://forum.xda-developers.com/oneplus-6/development/enchilada-romcrdroid-t3827070. And after I did that it got bricked.
I hope anyone knows what happend and how to fix my partition!
Friendly regards,
Crewz
Hi, why you get stuck and what not is because you simply do not follow the instructions 100%
After rom install and twrp install did you reboot? When you reboot at that point it will change partition.
If you get stuck on boot again, try reflash rom (without wipes), flash twrp, reboot to recovery, flash gapps and start the device. Apply root after setup this time just to be sure. Another thing could also be magisk, some roms require a later magisk version. But like I said, root after setup just to be sure where the issue is . Happy flashing mate!
whizeguy said:
Hi, why you get stuck and what not is because you simply do not follow the instructions 100%
After rom install and twrp install did you reboot? When you reboot at that point it will change partition.
If you get stuck on boot again, try reflash rom (without wipes), flash twrp, reboot to recovery, flash gapps and start the device. Apply root after setup this time just to be sure. Another thing could also be magisk, some roms require a later magisk version. But like I said, root after setup just to be sure where the issue is . Happy flashing mate!
Click to expand...
Click to collapse
I did the exact steps as in the thread.
ItsCrewz said:
I did the exact steps as in the thread.
Click to expand...
Click to collapse
If you're booted up and stable there's nothing wrong with your partitions.
What version of twrp are you using?
iElvis said:
If you're booted up and stable there's nothing wrong with your partitions.
What version of twrp are you using?
Click to expand...
Click to collapse
The newest one.
Look when I boot into TWRP and switch to partition B. I am stuck at logo of twrp
ItsCrewz said:
The newest one.
Look when I boot into TWRP and switch to partition B. I am stuck at logo of twrp
Click to expand...
Click to collapse
Which version? There are multiple "newest" ones.
Just because you have two slots doesn't mean both are bootable. The intent of the A/B arrangement is to allow seamless updates, not create a dual-boot phone. The inactive slot is often not bootable or will boot up with things broken. It's inactive because it's not suppose to be booted.
Switching slots manually is rarely necessary anyway. Why do you need to do it?
iElvis said:
Which version? There are multiple "newest" ones.
Just because you have two slots doesn't mean both are bootable. The intent of the A/B arrangement is to allow seamless updates, not create a dual-boot phone. The inactive slot is often not bootable or will boot up with things broken. It's inactive because it's not suppose to be booted.
Switching slots manually is rarely necessary anyway. Why do you need to do it?
Click to expand...
Click to collapse
Yes I know what it means. But it isn't normal that it boots into twrp and get stuck on the logo

TWRP problem / update

My OnePlus 7 Pro is rooted at 9.5.8 trying to update to 9.5.9
When i try to install OTA it removes TWRP as it would but i can't boot into the system again without booting into TWRP and switching back to slot A. And when i boot to the system settings say that update failed.
I've tried different update methods like
Install update (dont reboot) - Magisk install inactive slot
Download update zip with oxygen updater app - boot into recovery twrp - flash update zip
I rooted my phone a few days ago and for some reason it won't update and i'm stuck on 9.5.8
Slot b is also not readable. SDCARD shows 0mb
What I do is:
Download and install the update
Don't reboot
Then back out and go to magisk downloads
Search for twrp retention and install
Don't reboot
Then back out to magisk main screen and select the first install option
Then select install and then the 4th option ota install slot
Now reboot
Yayodroid said:
What I do is:
Download and install the update
Don't reboot
Then back out and go to magisk downloads
Search for twrp retention and install
Don't reboot
Then back out to magisk main screen and select the first install option
Then select install and then the 4th option ota install slot
Now reboot
Click to expand...
Click to collapse
Tried this too.
When I install oxygen update zip through TWRP and I reboot it goes over to slot b where I can't boot to the system and when I go back to slot a and boot to system update failed
First i disable all magisk modules then I download the full 2gb update, go into twrp, flash the update, flash twrp.zip then flash magisk.zip. Reboot and then re-enable the modules.
if you have Magisk module OOSNativeCallRecorder, you need to remove that module. If still issues then remove all modules.
Guide how to remove magisk modules via TWRP
equlizer said:
First i disable all magisk modules then I download the full 2gb update, go into twrp, flash the update, flash twrp.zip then flash magisk.zip. Reboot and then re-enable the modules.
Click to expand...
Click to collapse
This doesnt work. After flashing it reboots to slot b and update failed
Bradl79 said:
if you have Magisk module OOSNativeCallRecorder, you need to remove that module. If still issues then remove all modules.
Guide how to remove magisk modules via TWRP
Click to expand...
Click to collapse
Okay, this is weird
I chose to remove magisk, twrp and go back to stock with locked oem. Installed the new update perfectly fine. Then I regretted it. So I rooted my device again and set it up only to look under device info where it says that I now have 9.5.8. So basically my phone downgraded itself after rerooting and unlocking bootloader.
I'm now stuck in 9.5.8
PikachuLover said:
Okay, this is weird
I chose to remove magisk, twrp and go back to stock with locked oem. Installed the new update perfectly fine. Then I regretted it. So I rooted my device again and set it up only to look under device info where it says that I now have 9.5.8. So basically my phone downgraded itself after rerooting and unlocking bootloader.
I'm now stuck in 9.5.8
Click to expand...
Click to collapse
Probably switched back to old slot.
Bradl79 said:
Probably switched back to old slot.
Click to expand...
Click to collapse
So I should just try and flash the update, twrp and magisk in this order on the slot I am using now?
Having same problem. No work around?
The best way to update? Personally, I recommend taking full manual control of the update process. Use TWRP to update your ROM (that includes stock OOS) when you want to, and when you need to fix stuff.
- Flash ROM
If you are on slot A and flash a ROM, it goes to slot B.
- Flash TWRP installer zip
Keeps TWRP on both slots, patches boot.img
- Reboot to TWRP, not system
- Flash ROM again
This installs the ROM to the other slot, so now both slots are updated
- Flash TWRP installer zip again
Keeps TWRP on both slots, patches boot.img
- Flash Magisk
Patches the TWRP-patched ROM, allowing it to boot.
- Wipe dalvik
You can wipe data and dalvik instead for a clean flash
- Now reboot to system
Consider flashing BOTH slots (A and B) whenever you update OOS, for two reasons.
First, you don't have to keep track of which slot has which version of OOS should you flash a custom ROM or kernel with a specific version of OOS required as a base.
The second reason is more compelling: the way the data partition changes encryption every update has nearly obviated the reason for A/B slots, in that if newly updated B changes data encryption upon boot and then something happens, you cannot revert to A because A can't read the new data encryption. So the solution is to update both A and B at the same time so both slots use the same encryption and can both access the data partition.
Or like me, run the device decrypted (i. e. without forced encryption).
Good luck!
reaper000 said:
.
Or like me, run the device decrypted (i. e. without forced encryption).
Good luck!
Click to expand...
Click to collapse
I was actually going to do this permanently for better performance, I did test it out for a while and definitely noticed things faster, boot is quicker, battery lasted longer also.
I just hate all the work required to keep decrypt between updates.
I wish Google allowed us to choose whether we want encryption or not.
This maybe a silly question and the form trolls may come out. However ??, decrypting, will we have to do it to both slots? A and B? Or will twrp take care of decrypting both slots. Coming from a one plus 5 we didn't have to deal with this whole slot a and b. Boy what a headache.
virtyx said:
I was actually going to do this permanently for better performance, I did test it out for a while and definitely noticed things faster, boot is quicker, battery lasted longer also.
I just hate all the work required to keep decrypt between updates.
I wish Google allowed us to choose whether we want encryption or not.
Click to expand...
Click to collapse
I'm thing about decrypting, if you don't mind, can you let me know what you mean by all that work?
On the 5t, after decrypting, I just had to make sure to flash no verity script in twrp and that was all.
harpin14789 said:
I'm thing about decrypting, if you don't mind, can you let me know what you mean by all that work?
On the 5t, after decrypting, I just had to make sure to flash no verity script in twrp and that was all.
Click to expand...
Click to collapse
He likely means backing up and starting fresh. I hated that process on my oneplus 5 but after works it was great. This whole slot A and B, is a pesky little bugga.
Yayodroid said:
What I do is:
Download and install the update
Don't reboot
Then back out and go to magisk downloads
Search for twrp retention and install
Don't reboot
Then back out to magisk main screen and select the first install option
Then select install and then the 4th option ota install slot
Now reboot
Click to expand...
Click to collapse
This is what I did as well. Worked beautifully.
harpin14789 said:
I'm thing about decrypting, if you don't mind, can you let me know what you mean by all that work?
On the 5t, after decrypting, I just had to make sure to flash no verity script in twrp and that was all.
Click to expand...
Click to collapse
I manually decrypted
I don't know if the zip works on the 7 Pro
I'd update via twrp
Flash twrp
Flash magisk (after echo KEEPVERITY=FALSE > /data/.magisk)
ADB pull both fstab files in vendor/etc to my pc
And change fileencryption to encryptable and move back
I always kept the fstab files on my internal storage so I didn't need a PC but I always did just incase.
What happens if you have and F2FS formatted /data and
A custom kernel?
Thanks in advance
reaper000 said:
The best way to update? Personally, I recommend taking full manual control of the update process. Use TWRP to update your ROM (that includes stock OOS) when you want to, and when you need to fix stuff.
- Flash ROM
If you are on slot A and flash a ROM, it goes to slot B.
- Flash TWRP installer zip
Keeps TWRP on both slots, patches boot.img
- Reboot to TWRP, not system
- Flash ROM again
This installs the ROM to the other slot, so now both slots are updated
- Flash TWRP installer zip again
Keeps TWRP on both slots, patches boot.img
- Flash Magisk
Patches the TWRP-patched ROM, allowing it to boot.
- Wipe dalvik
You can wipe data and dalvik instead for a clean flash
- Now reboot to system
Consider flashing BOTH slots (A and B) whenever you update OOS, for two reasons.
First, you don't have to keep track of which slot has which version of OOS should you flash a custom ROM or kernel with a specific version of OOS required as a base.
The second reason is more compelling: the way the data partition changes encryption every update has nearly obviated the reason for A/B slots, in that if newly updated B changes data encryption upon boot and then something happens, you cannot revert to A because A can't read the new data encryption. So the solution is to update both A and B at the same time so both slots use the same encryption and can both access the data partition.
Or like me, run the device decrypted (i. e. without forced encryption).
Good luck!
Click to expand...
Click to collapse

so I think I did a dirty flash idk

So I was on tmobiles firmware rooted and something happened last night. It shut off and wouldn't boot up into system or recovery so after being frantic about it for about an hour and after some googling. I decided I was going to try a dirty flash (I think that's what I did)
I downloaded the latest ota zip from OnePlus 9.5.11 and used the all in 1 tool to boot to twrp and installed the ota zip there and installed twrp. Now the phone booted up to 9.5.11 on the international version and asked me to update to 9.5.13 which I let it. Then I rebooted back to twrp and installed magisk and reboot again. Bootloop happened so I went back to twrp and deleted my modules and rebooted again and it was fine and then reinstalled my modules....
Now for the actual question, should I be worried about corrupt data by doing what I did?
I really didn't want to lose my data, I have titanium backup but I can't get twrp to make any backups because I use OOS parallel apps
Bump
Anyone have an answer or any info to add?
If you didn't lose anything, then you didn't lose anything.

Oneplus 7 Pro Bootloop after overlay install, still booting into recovery

Hi guys. Really need your help. Oneplus 7pro ,european version running 10.0.4 software, latest magisk 20.4 i think? and twrp. Everything was running fine until earlier when I installed a system ui overlay (one i've used before) and now my phone is in a boot loop. I can access TWRP, I've run the substratum overlay uninstaller zip and removed all magisk modules but still i'm in a bootloop. I've never had a proper bootloop before and i'm very frustrated. I've googled for the past few hours and removed everything I can think of that could be causing issues. Does anyone have some advice that doesn't end with me losing all my data? I have a backup but its from a month ago. I've never had this issue before so i'm a little stuck. Thanks
Edit. Phone is fully accessible through my laptop I can see all my files and connect to it. I just cannot get it to boot,surely its a simple fix?
Bxperiaz3 said:
Hi guys. Really need your help. Oneplus 7pro ,european version running 10.0.4 software, latest magisk 20.4 i think? and twrp. Everything was running fine until earlier when I installed a system ui overlay (one i've used before) and now my phone is in a boot loop. I can access TWRP, I've run the substratum overlay uninstaller zip and removed all magisk modules but still i'm in a bootloop. I've never had a proper bootloop before and i'm very frustrated. I've googled for the past few hours and removed everything I can think of that could be causing issues. Does anyone have some advice that doesn't end with me losing all my data? I have a backup but its from a month ago. I've never had this issue before so i'm a little stuck. Thanks
Edit. Phone is fully accessible through my laptop I can see all my files and connect to it. I just cannot get it to boot,surely its a simple fix?
Click to expand...
Click to collapse
Can you boot in TWRP? if can try changing slot and boot from it
Mervingio said:
Can you boot in TWRP? if can try changing slot and boot from it
Click to expand...
Click to collapse
Hi,yes I can. Its loading the logo now so i'll wait and see what happens. If that works then what should be the next thing I do?
Edit: Slot B seems to be bootlooping on the logo unless its meant to take a few minutes
Is there a way to recover without wiping my data?
So slot A sits on the caution device rooted screen then defaults to the fastboot rescue mode which allows me to select reboot to recovery which is twrp. From there I have full access to the phone but still not booting to system. Slot B passes the fastboot screen and hangs on the one plus logo just circling around. This is my first rooted phone and I haven't had any problems until now so I'm hoping its something simple because I didnt do anything big to cause it. Hopefully someone has some insight.
Can I just sideload the current version of OOS i'm running using TWRP and not lose my data?
Bxperiaz3 said:
Can I just sideload the current version of OOS i'm running using TWRP and not lose my data?
Click to expand...
Click to collapse
Yes
MrSteelX said:
Yes
Click to expand...
Click to collapse
Will I lost root or relock the bootloader? I'm trying to find the least destructive way to get back to what I had which was oos 10 with twrp and magisk.
Uninstalled magisk and was able to reboot. However reflashing it as i want to retain root makes it bootloop again. Any possible fix for this that isn't a factory reset and reroot?
I can't get substratum or substratum themes to work on any rom or stock, nothing happens after reboots.....or everything turns this weird orange theme. Then one time it corrupted the whole OS and I had to wipe.
try to Dirty flash the same Oxygen version
it will not Wipe your Data or internal storage
i6rb said:
try to Dirty flash the same Oxygen version
it will not Wipe your Data or internal storage
Click to expand...
Click to collapse
Thanks, i'll try this. Will I need to install TWRP again once I do this or is it unaffected?
Tried to dirty flash the same stock rom from TWRP but I don't think it did it properly. Can I dirty flash stock rom, flash magisk then try reboot to system?
Any help greatly appreciated.

Question How do we update Tmo variant

I know this has been asked but since the xda app is so atrocious now I can't find any answers.
I'm rooted on the Tmo OP9 variant but can't remember how to update from the ota. Can someone run me through it?
Make sure you are using the T-Mobile boot.img and not any other variant. Depending on how you rooted it in the beginning..
The
way I updated my t-mobile one plus 9
Is go to magisk, uninstall, restore images. Go to system update. Download and install. DO NOT REBOOT!!
go to magisk and reinstall magisk in inactive slot after ota , now reboot!
Jg1234 said:
Make sure you are using the T-Mobile boot.img and not any other variant. Depending on how you rooted it in the beginning..
The
way I updated my t-mobile one plus 9
Is go to magisk, uninstall, restore images. Go to system update. Download and install. DO NOT REBOOT!!
go to magisk and reinstall magisk in inactive slot after ota , now reboot!
Click to expand...
Click to collapse
Thanks for the reminder! I remember now but somehow my phone is confused. I did the exactly as you said, which is the correct way, and then I hit the switch slots on magisk after ota when it was done, and it restarted but the OTA wanted to restart too so I guess I let the wrong one restart after updating?
So it wouldn't boot after that so I had to switch slots. Now it tried to update but says something went wrong and to update to finish installation. I'm not real sure how to proceed here other than master reset at this point.
I don't know what happened. Sounds like you did exactly like I did. I let magisk reboot for me and everything went just fine. I have heard problems with magisk having issues with inactive slot and was removed in the canary build... You can try flashing stock boot.img before doing a factor reset and see if that helps at all.

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