Downgrade from android 10 to 9 - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

Hello everyone,
I have a Mi 9t pro with latest MIUI global 11.0.3.0 (QFKEUXM) based on Android 10.
I own my device since a month and i don't want to lose my warranty. Now i want to revert back to android 9 cause of several reasons (battery, bugs) and i would like to know if there Is a safe way for doing it without losing warranty.
This is my first xiaomi device, so thanks in Advance for any help

Related

[HELP!] MI A2 Roll back from MIUI 10 with ARB 4

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Hello guys, I commented that installing MIUI 10 in me Xiaomi my A2, I had the drawback of upgrading from MIUI 9 via OTA and I can not go back to Android one, according to and read in and asked in XDA, the forum MIUI and Telegram, there is no way to do it by the system Anti-rollback of MIUI and the fact that the A2 has the bootloader with a/B partitions and in MIUI occupies only one
Still no method to return to Android one?, I have ARB 4 and I'm in Miui 10. I am aware that there is a method to bypass and skip the anti-roll back system. Also that there was a tutorial in the MIUI forum to convert the 6x to A2 (from Miui 9, without ARB).
With those 2 elements you may be able to return to Android one or not yet possible and why not?
From now on, thanks for the support. I]
Any idea? Or method still working?
I have miui 10 beta 8.12.20 and really want to back to Android One!
i have good idea , you can brick your phone by downgrade MIUI 10 to MIUI 9 and Go to Mi Center and they will change your main board Congratz!!
you are now Android One again
Abdoubody said:
i have good idea , you can brick your phone by downgrade MIUI 10 to MIUI 9 and Go to Mi Center and they will change your main board Congratz!!
you are now Android One again
Click to expand...
Click to collapse
In Argentina is some difficult without any distributor or Technic service or anything jajaja. but is a really good idea!

How do I install EU ROM if my phone it's on MIUI 10 (mi 9t pro Global)

Hi, I have the mi 9t pro global version non EEA, it is on miui 10, still no update. I wanted to install EU rom but it's based on MIUI 11. I didn't know this a while ago and flashed over it and messed up my phone, and after that i wipe system and got even worse... it was on a bootloop to fastboot but I managed to bring it back to life. Now I want to do it the right way but don't know how since there are so many versions of the K20 pro/Mi 9t pro and I easily get confused by this. I came from a poco F1 and it was a lot easier, never got a single issue but well, I like this new phone a lot more.
Sorry for my bad english
Hey, first you have to unlock the bootloader, then with the XiaoMi Tool V2 application you can do it in a very simple way.
All tutorials are here Xda Dev or in the Xiaomi MIUI forums themselves.

back to Android 9 on Mi 9

Hi everyone, I want return to Android 9 on my Xiaomi Mi 9 because the last update come with a various bugs on apps that I use frecuently.
Anyone can explain me how I can install MIUI 10 again? Thanks

Incremental Updates - Can some be skipped?

I have a Redmi 9 on Android 10 MIUI 12.0.2. It's currently being offered an update to Android 11 MIUI 12.0.1. However, the latest version is Android 11 MIUI 12.5.1.
Do I have to update to 12.0.1 before I will be offered 12.5.1?
Or will I be offered 12.5.1 at some point so that I can then just perform a single update to get to the latest version?
Thanks
Just go with the flow...if you wish 12.5.1
note..
Some stores are selling redmi with g35 as redmi 9..these are currently at 12.0.10
note2: read wat users are saying..
You get new functions if you upgrade, But you Will also loose some

Redmi note 9 Global still without android 11

So after searching for some time on internet i realized that most of redmi note 9 users have android 11 with miui 12.5. But there is me for some reason still don't have it. Anyone know why it might be?
Edit: Fixed it by installing manually new rom.
You have to install it manually by yourself, my friend.

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