OOS Android 10 to Havoc Pie - OnePlus 6T Questions & Answers

Currently on Havoc Pie. Can I msm return to OOS(want to fully wipe phone anyways), upgrade to stable OOS Android 10 and installed twrp and install Havoc Pie?

I think if you MSM to Android 10 OOS, you will need to MSM back to pie, then flash pie havoc.

CrimsonSaber5G said:
I think if you MSM to Android 10 OOS, you will need to MSM back to pie, then flash pie havoc.
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Well, in the past, I have always been able to run older version of android on newer bootloader/radio/modem images. Like, I have been able to run marshmallow ROMs on nougat boot loader, etc

Related

How to downgrade to oreo 8.1

I'm using havoc OS 9.0, but I want to go back Oreo. I have a custom rom 8.1 backup (including EFS folder). how should I do??
i have same question can i flash custom oreo rom on stock pie

update from 8.1 to pie. proper way?

Hi
I'm in resurrection remix 6.2 which is based on lineageos Oreo 8.1.
I'm using magisk, Xposed Framework and exposed edge which is important.
My question, if I want upgrade to pie, what is the safest way? Should I go with lineageos 17?
Edit: do I have install the stock pie from Xiaomi first, or is it enough to install a pie custom Rom. If latter, do I have then to update modem firmware or will this be done by the custom rim itself?
Any hints appreciated.

OOS 11 OB4 IN2023 rollback to stable OOS 11

I've got a Europe model OP8 Pro running 11 beta 4 rooted and I'm looking to roll back to the current stable oxygenos 11 build.
How do I go about doing this and is this possible while maintaining root and data?
All the guides I've been able to find have all been about rolling back to oos 10
_Matthew said:
I've got a Europe model OP8 Pro running 11 beta 4 rooted and I'm looking to roll back to the current stable oxygenos 11 build.
How do I go about doing this and is this possible while maintaining root and data?
All the guides I've been able to find have all been about rolling back to oos 10
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Sadly you can't go back without loss of data... OB and Stable are different branches and you'll be forced to wipe.
You can MSM back to Stable 11.

Safety flash c33 update and evox 7

Hello.
For now im on evox 6.6, based on android 11 firmware, and i want to update to evox 7 based on a12 fw. What i need to do? Is it safe for me to simply flash lastest avaible msmdownload firmware - OOS 11.0.4.4, then ota update my phone to a12 c33, and then flash evox 7? I'm affraid to brick my phone
[ROM][OFFICIAL][instantnoodlep][12] LineageOS 19
LineageOS is a free, community built, aftermarket firmware distribution of Android 12, which is designed to increase performance and reliability over stock Android for your device. LineageOS is based on the Android Open Source Project with extra...
forum.xda-developers.com
This is what i would do. Basically its safe to do MSM first and Ota/Local update to C.33.
I am after update and phone is still workng I use msmdownload to flash 11.0.44, ota to c33, unlock bootloader and then clean flash evo with instructions on rom topic.

miui 11 donwgrade with twrp

good morning everyone, is it possible to downgrade with twrp and not with MiFlashTool on my 9t? I'm on the evolution rom android 13 and I want to download to android 10 miui 11.
ramirez92az said:
good morning everyone, is it possible to downgrade with twrp and not with MiFlashTool on my 9t? I'm on the evolution rom android 13 and I want to download to android 10 miui 11.
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Usually, the (official) MIUI Fastboot/TGZ ROMs flash more 'deeply' than their Recovery/ROMs
Maybe you could achieve by flashing recovery/zip ROM plus a firmware (but not sure if MIUI firmwares come as recovery/ZIP installations)
When you are already going to do that, you could look on Xiaomi.eu for the latest stable MIUI 11 ROM for davinci (it's like a debloated official MIUI)
Xiaomi.eu ROM would either be for flashing directly by Fastboot (bat script, not for MiFlash) or even the recovery type for TWRP. Their ROMs (even when recovery types) are usually self-sufficient, hence usable for downgrading, un-bricking in some cases, etc

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