Mi 9T Soft Brick ? Antiroll back need help - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Good day i have a problem with my mi 9t. I have installed the miui 11 eu version on my phone and i was using it for a few weeks. I have decided i want to go back to miui 10 global but when i go to flash the rom with mi flash tool i get antiroll back error as seen in the image on this post. I have tried to install via TWRP chinese recovery but the phone shows the logo for a few seconds and then goes straight to the TWRP recovery automatically. I tried installing havoc os pie still same problem. I was reading up about the anitroll back that the miui eu has and i think that the phone is soft bricked because i tried flashing via twrp with anitroll back on my phone. I did the anitroll back test to get the index and i have a antiroll back index of 1. If anyone can help me with this problem or have the solution please give me some help. Thank You

I am able to get into twrp recovery but any rom i flash just reboots back to twrp recovery

Ok I fixed it I just flashed back the miui 11 eu I was using before and it boots up but now I want to flash the new miui 11 global but I'm afraid it may brick again. Only one way to find out.

Have a same problem, what version eu rom work in your MI9T

Related

Need Help To Recover to Stock ROM

SOLVED: https://xiaomifirmware.com/roms/download-official-roms-xiaomi-mi-a1/
I rooted my Mi A1 and was on December 1st update.
So I had free time just now and decided to flash stock rom and update to December 2nd update.
As I was using Mi Flash tool to flash the ROM, it somehow stopped working and I don't think it flashed the ROM properly.
My phone has been in bootloop state since then with the bootloader unlocked warning screen.
Been trying to flash the ROM but Mi Flash tool kept stopped working randomly when I flash the ROM.
I tried the following with no outcome:
1) Boot into TWRP and factory reset
2) Boot into stock recovery and wipe data/factory reset
3) Flash stock ROM via Mi Flash tool (stopped working randomly, but it shows success flashing screen, just that the phone doesn't reboot)
4) Tried different version of Mi Flash tool (beta and non-beta), all stopped working randomly
5) Restarted my PC (still Mi Flash problem)
Extra info that might help:
As I am in TWRP, I can see that my phone internal storage is empty with only 1 folder (TWRP)
My bootloader is still unlocked till now
Have you tried flashing Jamflux's fastboot image of the oreo stable ROM?
Kamefrede said:
Have you tried flashing Jamflux's fastboot image of the oreo stable ROM?
Click to expand...
Click to collapse
No, how would that help?
I am not going Oreo yet, just Nougat December 2nd update is fine
SOLVED: https://xiaomifirmware.com/roms/download-official-roms-xiaomi-mi-a1/
Raven_Yen said:
No, how would that help?
I am not going Oreo yet, just Nougat December 2nd update is fine
Click to expand...
Click to collapse
Ah, you didn't specify in the post that you wanted to keep nougat so I thought you wanted the latest haha.
Anyway, good to see that you figured it out

Bricked Mi A1

Managed to brick my A1. The only screen its able to go to is either fastbook, or recovery. And even then, doesn't always necessarily boot into recovery, have to plug into computer and go into command prompt (fastboot boot oreo_3.2.2_recovery.img) to get it into TWRP.
Currently can't seem to flash *any* roms, I have a stock rom ("tissot_100108_stock" cant remember where i got it from). Which successfully flashes, but then on reboot gets stuck on the Android One screen. Longest i have waited before giving up is an hour. Even when i flash this rom and reboot, i get a message on TWRP saying "No OS installed"
Tried doing this: [wont let me post link] (MiFlash) method and got an error, basically does not work.
Super frustrated, at my wits end, would just like to flash stock rom and sell this thing or let it sit in a drawer at this point. Thanks in advance.
same problem here...
I have the exact same issue and also came here for that to ask for help.
Xiaomi Mi A1 was running 8.1 OTA updated and then I tried to flash Lineage, but it did not work. I wiped my phone and now it can't install anything, not via TWRP nor with Mi Flash.
I hope we can find a solution.
cantras said:
I have the exact same issue and also came here for that to ask for help.
Xiaomi Mi A1 was running 8.1 OTA updated and then I tried to flash Lineage, but it did not work. I wiped my phone and now it can't install anything, not via TWRP nor with Mi Flash.
I hope we can find a solution.
Click to expand...
Click to collapse
hopefully! i posted on the xiaomi subreddit but no help. i was on 8.0 when i started this whole misadventure.
I got somewhere, I think.
I went into TWRP, switched from B to A booting. It then starts Android but gets stuck in the boot screen of Android one with the colored bar.
I then tried MiFlash again, going directly to the folder which containts the .bat files. It started flashing it finally.
I am back to a working system.
Let me know if it works for you.
you guys should try flashing the latest stock rom 8.1 July running the bat file of your choice located in the factory image through fastboot
the different custom recoveries and miflash are sometimes buggy
run the script directly on fastboot
Sent from my Nexus 6 using Tapatalk

Bootloop on anything except stock MIUI

When I try to flash any ROM other than stock Global 10.3.11.0 (PFJMIXM), I get a bootloop: either it directly boots into fastboot after showing the MI logo once, or it keeps rebooting and showing the MI logo. The only way out is to flash stock MIUI via mifirm.
I have tried Lineage, ParanoidAndroid and Pixel Experience and carefully followed the instructions in the thread. I am using the greek TWRP 3.3.1-12-08-19 by geoanto555. In fact, when I first unlocked the bootloader yesterday, I was able to get Lineage working, but then I tried a different ROM and since then I can't even get Lineage to boot.
Any ideas?
My LineageOS guide links to the twrp I'm using, which is the russian one and not the greek one. The greek one seems to have issues. Also, always wipe -> format data between roms. Finally, check on which miui are the roms based. My lineage is based on latest global. Other I've seen are based on 10.3.9.0 or even 10.3.6.0, so they obviously won't work correctly with 10.3.11.0.
ImperfectIguana said:
When I try to flash any ROM other than stock Global 10.3.11.0 (PFJMIXM), I get a bootloop: either it directly boots into fastboot after showing the MI logo once, or it keeps rebooting and showing the MI logo. The only way out is to flash stock MIUI via mifirm.
I have tried Lineage, ParanoidAndroid and Pixel Experience and carefully followed the instructions in the thread. I am using the greek TWRP 3.3.1-12-08-19 by geoanto555. In fact, when I first unlocked the bootloader yesterday, I was able to get Lineage working, but then I tried a different ROM and since then I can't even get Lineage to boot.
Any ideas?
Click to expand...
Click to collapse
Tru to use the Russian fix twrp and make a format data coz your phone is encrypted

Anti rollback check error

Hello guys i can't back to stock global rom with mi flash tools please someone help me how to fix this error
Me too Mi 9T
I have the same problem here, anyone managed to solve the problem?
I'm same
I also had this problem after flashing android 10 based custom rom via twrp and flashing stock rom back via mi flash tool. It was solved by below for me:
- First flash back android 9 based custom rom by twrp. Boot for first time. In my case, it was bootloop.
- Then, enter fastboot and flash stock android 9 rom with this mi flash tool beta. Find in this link. (mirom.ezbox.idv.tw/en/phone/davinci/)
- It was success for me.

Flashing Custom rom i get stuck at fast boot but flashing xiaomi.eu works fine

Hi,
I've done countless steps and watched a ton of videos today but still can't answer this and it feels like I'm missing something simple.
I received my xiaomi 9t today and quickly unlocked the bootloader (no wait time possibly because I had a Mi8 before hand so I already had an account). I've since installed TWRP as well as tried OrangeFox Recovery and still can't get any custom roms to work, it goes directly to the fastboot screen. I can get back into TWRP and flash xiaomi.eu rom, no issue but as soon as I go to a custom rom I get fastboot.
I've flashed my Mi 8 countless times but I can't seem to get this to go. I've tried making sure the mounts were correct, I've flashed a disable forced encryption thing that I saw on some youtube videos and still nothing works.
Thanks in advance,
Joe
AbsoluteZero said:
Hi,
I've done countless steps and watched a ton of videos today but still can't answer this and it feels like I'm missing something simple.
I received my xiaomi 9t today and quickly unlocked the bootloader (no wait time possibly because I had a Mi8 before hand so I already had an account). I've since installed TWRP as well as tried OrangeFox Recovery and still can't get any custom roms to work, it goes directly to the fastboot screen. I can get back into TWRP and flash xiaomi.eu rom, no issue but as soon as I go to a custom rom I get fastboot.
I've flashed my Mi 8 countless times but I can't seem to get this to go. I've tried making sure the mounts were correct, I've flashed a disable forced encryption thing that I saw on some youtube videos and still nothing works.
Thanks in advance,
Joe
Click to expand...
Click to collapse
Hello, what OrangeFox version did you install?
You should try with R10.1_1 if you are using latest one.
If your phone is working with xiaomi.eu ROMs..., do you know xiaomi.eu ROMs are custom ROMs?
You generally only have to "Format Data" in TWRP before flashing another ROM (stock or custom).
Good luck!
Hi,
Thank you for the reply. I now have OrangeFox R10.1_1 installed. sorry I should've said other custom roms aren't working xiaomi.eu seems to be fine for some reason.
I just installed OrangeFox, reflashed xiaomi.eu and booted, worked fine. Then I went back, formatted data, rebooted back to recovery, flashed AOSPextended and gapps pico. Rebooted to system and it went to the fastboot screen again. I noticed it says during the AOSP install that "Root Status: Disabled" could that be a problem?
Thanks again for your help.
AbsoluteZero said:
Hi,
I've done countless steps and watched a ton of videos today but still can't answer this and it feels like I'm missing something simple.
I received my xiaomi 9t today and quickly unlocked the bootloader (no wait time possibly because I had a Mi8 before hand so I already had an account). I've since installed TWRP as well as tried OrangeFox Recovery and still can't get any custom roms to work, it goes directly to the fastboot screen. I can get back into TWRP and flash xiaomi.eu rom, no issue but as soon as I go to a custom rom I get fastboot.
I've flashed my Mi 8 countless times but I can't seem to get this to go. I've tried making sure the mounts were correct, I've flashed a disable forced encryption thing that I saw on some youtube videos and still nothing works.
Thanks in advance,
Joe
Click to expand...
Click to collapse
Use the official TWRP.
You should install latest stable xiaomi.eu rom or install latest China rom through MI flash, you need latest vendor partition for latest custom roms to boot properly.
jaggyjags said:
You should install latest stable xiaomi.eu rom or install latest China rom through MI flash, you need latest vendor partition for latest custom roms to boot properly.
Click to expand...
Click to collapse
I installed the latest Global Rom 11.0.5. via OrangeFox. I couldn't get it to go with Mi Flash. Not sure how to create the flash_all.bat and where to get all the files from. Is that the same? What are the steps from here?
Thank you
The same exact issue I am facing. Tried multiple custom roms and everything failed to boot only resulting in bricked or error. Even my previous budget phone redmi 3s was much better than this.

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