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TWRP Installing on redmi note 9 bricked the device

I was just installing Twrp on my Redmi note 9, But it then got stuck on redmi logo, I successful;yy unlocked bootloader but then twrp so it got stuck on logo, It keeps looping and does not turn off, Unable to go to fastboot recovery and not normal system, as it was under warranty so i took it to the service center they kept it for one day, now they are saying that its vbmeta chip or img is once modified and now can't be repaired, and they also said unlocking bootloader has void warranty.

ABLOLX said:
I was just installing Twrp on my Redmi note 9, But it then got stuck on redmi logo, I successful;yy unlocked bootloader but then twrp so it got stuck on logo, It keeps looping and does not turn off, Unable to go to fastboot recovery and not normal system, as it was under warranty so i took it to the service center they kept it for one day, now they are saying that its vbmeta chip or img is once modified and now can't be repaired, and they also said unlocking bootloader has void warranty.
Click to expand...
Click to collapse
Everything you need to do is relock bootloader and flash the stock miui again and you got warranty back.
Did you try to follow my guide ?
[GUIDE][UNBRICK] How unbrick your bootloop in MERLIN after flashing TWRP (Xiaomi Redmi Note 9 / Xiaomi Redmi 10X 4G)
If you try to flash the file misc.bin your device can be in bootloop forever, please follow this guide to fix it. It works with: - Xiaomi Redmi Note 9 - Xiaomi Redmi 10X 4G Method 1: Once your device is on the black screen, plug it on USB (try...
forum.xda-developers.com

i have the same problem
my pc isn't detecting my phone at all and i can't enter fastboot mode or shut it down

As linked by @VD171 you have to delete the misc partition created by the incompatible TWRP, so do:
1 - turn on your phone, your screen probably is black, but connect to your pc and do:
adb devices
2 - it should detect the device, then do:
adb reboot bootloader
fastboot devices
fastboot erase misc
after that you should be able to restart to fastboot mode again

Question Stuck in fastboot after flashboot flash recovery twrp.img of Mi 9t instead of Redmi 9t

Hello,
I am big fool and by mistake I flashed mi 9t version instead of redmi 9t,
my redmi 9T( ofmodel M2010JI9SG) was flashed using this guide(for mi 9t):
I used twrp from this link:
Xiaomi Mi 9T / Redmi K20
Disclaimer:Team Win strives to provide a quality product. However, it is your decision to install our software on your device. Team Win takes no ...
twrp.me
version 3.5.2_9-0
after I flashed twrp, I got into fastboot mode, which I can't leave.
I tried doing volume up +power, volume down+ power, and all the buttons as well, nothing worked, every time it goes back to fastboot,
I tried to redo everything, still didn't fix, and tried to flash stock via mi tool, didn't work too.
I assume I need ro flash another version,
please help me,
thanks!

Use miflash tool

Use mi flash tool and u will also need correct firmware for ur phone

Help with bootloop after twrp installation !!

hi
i tried to install twrp with the help of a how to on the web but after flashing it and booting to recovery i had only black screen
so i tried to enter fastboot to fix it with no luck the phone doesn't respond to volume down + power
i manage to use adb reboot bootloader to enter fastboot when the phone was on black screen
so i tried again and flashed twrp image and misc.bin but it didnt work either
last thin i tried is installing boot.img extracted form official rom file >>and that was the end of the line for me
the phone keeps booting to redmi logo and before it even shows the Unlocked lock icon it shuts down and reboot again in an endless loop and i couldn't power it off or enter fastboot or recovery because volume up or volume down + power isn't getting any response
is there a fix to this ?

Any help?

I can help you bro

softmaster3 said:
hi
i tried to install twrp with the help of a how to on the web but after flashing it and booting to recovery i had only black screen
so i tried to enter fastboot to fix it with no luck the phone doesn't respond to volume down + power
i manage to use adb reboot bootloader to enter fastboot when the phone was on black screen
so i tried again and flashed twrp image and misc.bin but it didnt work either
last thin i tried is installing boot.img extracted form official rom file >>and that was the end of the line for me
the phone keeps booting to redmi logo and before it even shows the Unlocked lock icon it shuts down and reboot again in an endless loop and i couldn't power it off or enter fastboot or recovery because volume up or volume down + power isn't getting any response
is there a fix to this ?
Click to expand...
Click to collapse
What was your MIUI Version before installing twrp. You will lose your data for the fix. But its the matter of phone or no phone.

softmaster3 said:
Any help?
Click to expand...
Click to collapse
You device was global varient or chinese varient ?

You can checkout tutorials on using SP Flash tool to flash stock firmware, or I can explain when I get home. Also use spflash tool with MTK auth bypass or you won't be able to flash.

Had a pretty bad month as I completely killed my phones software. Heck I even deleted the preloader which is the core responsible thing for a mediatek chip based phone to boot. BUT SP flash tool saved the day.

You hard-bricked your phone, there's a guide I've made on how to recover it here.

[GUIDE][UNBRICK] How unbrick your bootloop in MERLIN after flashing TWRP (Xiaomi Redmi Note 9 / Xiaomi Redmi 10X 4G)
If you try to flash the file misc.bin your device can be in bootloop forever, please follow this guide to fix it. It works with: - Xiaomi Redmi Note 9 - Xiaomi Redmi 10X 4G Method 1: Once your device is on the black screen, plug it on USB (try...
forum.xda-developers.com

Is this guide viable for me???

(Guide) How to fix a hard bricked Redmi Note 9 (Merlin) (Hard Brick)
A how-to guide of restoring a completely bricked Redmi Note 9 Hi, In this guide, I will teach you how to fix a hard-bricked Redmi Note 9 (merlin) and bring it back to its original state. How does a hard-bricked Redmi Note 9 look like? it's stuck...
forum.xda-developers.com
"infinite boot loop showing only the Redmi logo,
Can't access recovery with power+vol down, can't enter fastboot, can't connect it to a computer either."
I can enter fastboot but the other problems are true, so is this method viable for me? do I need to follow some other guide or will this work?

Black screan redmi note 9

for some time I can't start my redmi note 9 does not respond to button combinations for fastboot and recovery when I connect it to the computer I get that usb is not recognized can anyone help

Flash stock rom from EDL mode. Follow this guide