Going from A12 to A10 - OnePlus 6T Questions & Answers

Hello, i have a question. I'm using evox 6.6 android 12 Rom. To install this Rom i flashed oos 11 firmware first. Now project support ended, i want to return back to oos 10. Can i fastboot boot into TWRP and flash oos 10 then TWRP then finalize ? Or do i need to use MSM tool?

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Struggling with Oneplus 5

So I have a problem with the Oneplus 5. I got the xXx Nolimits ROM that's based on OxygenOS 5.1.3 and installed the Magisk xXx Nolimits 4.3 aswell.
I want to upgrade it to 9.0.4, but it won't do it with TWRP 3.2.3-0. Haven't tried it with TWRP 3.3.0.
Could it possibly work, if I go back to full stock and upgrade it via OTA and then flashing it again via TWRP 3.3.0?
The vendor partition is the problem here, I think.
Thanks for any help!
lenci98 said:
So I have a problem with the Oneplus 5. I got the xXx Nolimits ROM that's based on OxygenOS 5.1.3 and installed the Magisk xXx Nolimits 4.3 aswell.
I want to upgrade it to 9.0.4, but it won't do it with TWRP 3.2.3-0. Haven't tried it with TWRP 3.3.0.
Could it possibly work, if I go back to full stock and upgrade it via OTA and then flashing it again via TWRP 3.3.0?
The vendor partition is the problem here, I think.
Thanks for any help!
Click to expand...
Click to collapse
You guessed right. You need to flash stock 5.1.4 OxygenOS (which will create the vendor partition).
Then you can update to 9.0.4/9.0.5(remove the compatibility.zip from the rom files) either with OTA or manually flashing(see official oxygenOS rom threads for 9.0.5)then you can update the twrp to 3.3.x.
After this you can flash XXX magisk mod 4.3 onwards as it's a magisk module.
lenci98 said:
So I have a problem with the Oneplus 5. I got the xXx Nolimits ROM that's based on OxygenOS 5.1.3 and installed the Magisk xXx Nolimits 4.3 aswell.
I want to upgrade it to 9.0.4, but it won't do it with TWRP 3.2.3-0. Haven't tried it with TWRP 3.3.0.
Could it possibly work, if I go back to full stock and upgrade it via OTA and then flashing it again via TWRP 3.3.0?
The vendor partition is the problem here, I think.
Thanks for any help!
Click to expand...
Click to collapse
That's exactly how to do it. Use an Oreo era Codeworkx TWRP to flash a full OOS ROM. You have to have used 5.1.4 to create the Vendor partition so flash that. Let it overwrite TWRP with the stock recovery, and then OTA up to latest OOS. Fastboot flash latest Codeworkx TWRP and you're done.
Uninstall Magisk before you begin.
strongst said:
You guessed right. You need to flash stock 5.1.4 OxygenOS (which will create the vendor partition).
Then you can update to 9.0.4/9.0.5(remove the compatibility.zip from the rom files) either with OTA or manually flashing(see official oxygenOS rom threads for 9.0.5)then you can update the twrp to 3.3.x.
After this you can flash XXX magisk mod 4.3 onwards as it's a magisk module.
Click to expand...
Click to collapse
Exactly this was my plan. Thanks for the help. I struggled with this for literally months!

Flashed Recovery and OS from OP5T on OP5

Hi,
i've made a big mistake, i have flashed TWRP and LineageOS/Stock-Roms from Oneplus 5T on my Oneplus 5. There was only a few things that don't work. Now when i boot into Recovery i can't install LineageOS for the OnePlus 5 because of Error 7. Is there a special TWRP for Oneplus 5T and Oneplus 5 or is it the same for both devices? At the moment there is no OS installed. I have flashed this Recovery https://forum.xda-developers.com/on...overy-twrp-3-2-1-0-oreo-oxygenos-5-0-t3725723 and tried to flash LineageOS for OnePlus 5 but it failed with
zip treble compatibility error!
invalid zip file format
Click to expand...
Click to collapse
I have the same error when i try LineageOS and LineageOS microG. What is wrong here? Is there any way to start again with a new fresh stock rom for the oneplus 5?
gene2 said:
Hi,
i've made a big mistake, i have flashed TWRP and LineageOS/Stock-Roms from Oneplus 5T on my Oneplus 5. There was only a few things that don't work. Now when i boot into Recovery i can't install LineageOS for the OnePlus 5 because of Error 7. Is there a special TWRP for Oneplus 5T and Oneplus 5 or is it the same for both devices? At the moment there is no OS installed. I have flashed this Recovery https://forum.xda-developers.com/on...overy-twrp-3-2-1-0-oreo-oxygenos-5-0-t3725723 and tried to flash LineageOS for OnePlus 5 but it failed with
I have the same error when i try LineageOS and LineageOS microG. What is wrong here? Is there any way to start again with a new fresh stock rom for the oneplus 5?
Click to expand...
Click to collapse
Yes, there are 2 ways.
1. Flash OOS from bootloader, or via adb sideload. Else use MSM Tool to flash OOS. Then lock bootloader, and unlock again to flash the TWRP. After that all back to normal.
2. Lock the bootloader and unlock, then flash CodeworkX Force Encrypt TWRP from the same link. Format data and try.
#1 will make it all clean with no need of vendor again.
#2 will have the need to flash vendor image again.
is it stable? did u have navigation gestures hahaha just wondering
what didnt work?
Most works. Microphone didn't work and sometimes bluetooth.

How to go back to stock rom from custom rom?

Hey guys what's the easiest process to going back to stock rom from custom rom?
Getting the MSSDownload tool which allows you to completely relock bootloader and fixes devices that are stuck in a bootloop.
https://forum.xda-developers.com/oneplus-6t/how-to/op6t-collection-unbrick-tools-t3914746
This is the easiest way and only takes around 5 minutes to revert back to OxygenOS.
Depends if you want to relock bootloader in the process. If so, then use the msm tool method. If you just want to flash stock and keep BL unlocked so you can root then just go into twrp, flash OOS img, reboot recovery and tap erase everything from stock recovery and reboot.
Do you want to return to full stock or do you want stock firmware with recovery and root?
demeez said:
Depends if you want to relock bootloader in the process. If so, then use the msm tool method. If you just want to flash stock and keep BL unlocked so you can root then just go into twrp, flash OOS img, reboot recovery and tap erase everything from stock recovery and reboot.
Click to expand...
Click to collapse
I'm currently on Lineage 17.1. If I want downgrade to previous version of OOS Pie or Oreo, can I just flash OOS Pie image directly or should I use the MSM Tool?
risay07 said:
I'm currently on Lineage 17.1. If I want downgrade to previous version of OOS Pie or Oreo, can I just flash OOS Pie image directly or should I use the MSM Tool?
Click to expand...
Click to collapse
Go with Msm tool. Pretty sure you'd brick if you tried to just downgrade OOS via TWRP. Msm tool has the checks removed and all so you can downgrade. That's one thing that makes it special.
risay07 said:
I'm currently on Lineage 17.1. If I want downgrade to previous version of OOS Pie or Oreo, can I just flash OOS Pie image directly or should I use the MSM Tool?
Click to expand...
Click to collapse
You're better off just using msm tool. Going to be a lot simpler.
I'm unlocked running twrp and lineage 17.
Is there a oos zip that's twrp flashable that's bootloader/brick friendly?
swerff said:
I'm unlocked running twrp and lineage 17.
Is there a oos zip that's twrp flashable that's bootloader/brick friendly?
Click to expand...
Click to collapse
Always search first before asking. I didn't make the rules here but that is the BIGGEST part of this whole modding your device deal.
If you are using an international/global (same thing) model OnePlus 6t then just grab 10.3.5 from that repo and it will install through twrp. If you are using a T-Mobile model 6t there a thread in guides section that tells how to convert to global 6t. It's super easy! Then after converted you can flash the global OOS rom. Also there is an app on Google Play Store Oxygen Updater. It can also download the full OOS roms and also incremental updates.
https://forum.xda-developers.com/on...t-global-repo-oxygen-os-builds-t3865396/page7
That's my confusion, searching or not for a flashable zip. I found those, but confused and uncertain which direction to go since I never did the firmware global flash trick. And since so, I'm unable to use the rom from one plus website?
I can't flash or use oos update tool on a t-mobile firmware, I must convert to global? Having a sim/carrier and an unlocked bootloader isn't the same as being converted to global?
I wanted to flash back to oos, but I dont think theres a zip available to do so with t-mobile base firmware.

POCO M3 convert to EU rom and root

Hello, I want to know if I can convert my POCO M3 from global rom to EU rom and then root it after converting and also what are the necessary steps. Thank you. (my bootloader will be unlocked in 6 days.)
Yes, it is possible. Do you mean the official EEA rom or xiaomi.eu custom rom?
For EEA rom you need to flash the fastboot version with MiFlash tool. For xiaomi.eu you can follow the guide from this forum.
For root you need to patch the stock boot.img (you can extract it from the fastboot rom) with Magisk Manager, copy to your computer and flash it with fastboot, because there is no TWRP recovery yet.
When you are going to flash, make shure to keep the bootloader unlocked. This is very important because you will brick your phone if you relock your phone with an other rom than the original one.
mierlo420 said:
Yes, it is possible. Do you mean the official EEA rom or xiaomi.eu custom rom?
For EEA rom you need to flash the fastboot version with MiFlash tool. For xiaomi.eu you can follow the guide from this forum.
For root you need to patch the stock boot.img (you can extract it from the fastboot rom) with Magisk Manager, copy to your computer and flash it with fastboot, because there is no TWRP recovery yet.
When you are going to flash, make shure to keep the bootloader unlocked. This is very important because you will brick your phone if you relock your phone with an other rom than the original one.
Click to expand...
Click to collapse
I'd like to try the xiaomi.eu rom. Thank you, I'll look into it.
Hi Friends. i found a link by Havoc Rom Developer how to Flash Havoc 3.12 GSI on Poco M3 with a Super Gsi Flasher tool. unfortunately it did not work for me. But i tried the same tool with the following GSI and every one of them worked on my Poco M3. i am now currently using Pixel Experience Plus on my Poco M3.
1) Lineage 18.1 ( Android 11 )
2) Pixel Experience Plus ( Android 10 )
3) CR Droid ( Android 10 )
4) Resurrection Remix ( Android 10 )
Procedure.....
1) I Flashed TWRP Recovery in fastboot mode.
2) Then i flashed EU MIUI Rom on Poco M3 with TWRP Recovery.
3) Then I Flashed a Patched VBMETA image in fastboot mode.
4) Then restarted Poco M3 on EU Rom.
5) I did not register any Google or other account on EU Rom and i did not connect it to the net.
6) I copied SUPER GSI FLASHER on the Phone Memory partition.
7) I copied GSI Image that i wanted to flash .... into the Phone Memory Partition.
8) Rename the GSI image copied above as system.img
9) Then rebooted into recovery.
10) Clicked on Install and selected SUPER GSI FLASHER.
11) In about 2 minutes it said to reboot..........I Rebooted.....Rom running perfectly on POCO M3
12) Due Credit goes only to The Link Provided below for Havoc 3.12 and the developer who posted the link. Thanks a lot friend .....You made my day.....and i am passing on your good work to others like me who wish to flash POCO M3 with custom Rom.
LINK WHICH HELPED ME TO DO THE ABOVE
How to Install Havoc OS 3.12 custom ROM on Poco M3 - ROM-Provider
Download & Install havoc os 3.12 custom ROM on xiaomi Poco M3, this article will also guide you how to Install custom rom on Poco M3
romprovider.com
You can download SUPER GSI INSTALLER from above link and go through the instructions on the above link also. Download the GSI from GSI GITHUB WEBSITE.
The GSI should be arm64 ab version only.
ENJOY Friends

Need to return to Stock but I updated to OOS 11.1.2.2 before trying to root and use RevengeOS 4.0

Hello, I updated my OP 6T to OOS 11.1.2.2 which I believe is the latest update right now. Then I tried to install TWRP through Fastboot with the intention to install RevengeOS 4.0. I never got as far as installing the ROM. Anyway, it failed to boot into twrp and now I can only get into Fastboot. Also, I have had the bootloader unlocked from the beginning. Is there a way to use Fastboot to boot into a working twrp to flash OOS 11.1.2.2 firmware file that I have? Thanks
Try using the img and zip from this post, it's the only one that worked for me on OOS 11.1.2.2
[RECOVERY] [11] [12] [13] [UNOFFICIAL] TWRP for OnePlus 6 & 6T
Team Win Recovery Project 3.x, or TWRP3.x for short, is a custom recovery built with ease of use and customization in mind. Its a fully touch driven user interface no more volume rocker or power buttons to mash. The GUI is also fully XML driven...
forum.xda-developers.com

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