Mi a1 bootloop or no sim card detected - Xiaomi Mi A1 Questions & Answers

Hi recently i have tried to root and install twrp for my mi a1 I had a lot of issues but i finally got twrp installed. Once twrp was installed it was all fine but when i tried to install magisk and root my phone my wifi slider would not go on. So i flashed the stock rom with mi flash this is when the problems began. Any stock rom i tried to flash would just put the phone into a bootloop. There was one rom that i had installed that worked however my sim card was no longer detected. I tried to ota update to 8.1 to see if that would fix the sim card issue but as soon as i updated with ota the phone would start bootlooping again. I then installed twrp again and tried a custom rom instead same issue the phone will just keep bootlooping. Its been a couple days now pretty much non stop trying to fix this phone but nothing i have tried is working and im going to need my phone soon i dont care what rom i have i just need a working phone. All help is greatly appreciated. PS my sim card slot is stuck and wont open so i cant try a different sim card but the sim card was working before i reverted to android 8 stock rom. Thanks guys.

vergobua said:
Hi recently i have tried to root and install twrp for my mi a1 I had a lot of issues but i finally got twrp installed. Once twrp was installed it was all fine but when i tried to install magisk and root my phone my wifi slider would not go on. So i flashed the stock rom with mi flash this is when the problems began. Any stock rom i tried to flash would just put the phone into a bootloop. There was one rom that i had installed that worked however my sim card was no longer detected. I tried to ota update to 8.1 to see if that would fix the sim card issue but as soon as i updated with ota the phone would start bootlooping again. I then installed twrp again and tried a custom rom instead same issue the phone will just keep bootlooping. Its been a couple days now pretty much non stop trying to fix this phone but nothing i have tried is working and im going to need my phone soon i dont care what rom i have i just need a working phone. All help is greatly appreciated. PS my sim card slot is stuck and wont open so i cant try a different sim card but the sim card was working before i reverted to android 8 stock rom. Thanks guys.
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Hey guys great news i have finally managed to fix it i found a rom that does not boot loop and the sim card is detected again and wifi is working great. Im going to leave this here just incase someone has the same issue as me im sure its not a very common issue but this is the rom i used anyway https://forum.xda-developers.com/mi-a1/development/twrp-stock-8-1-0-t3856328 Hope i was helpful

Thanks a Lot man!
I had the exact same problem. And I needed my phone tomorrow, you really saved my life man!

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Nexus 6p wont recognize sim card after Rom Flash.

Hey im needing some help fixing my nexus 6p. I just decided to root the devices today and installed a custom rom onto it. Once the devices boots up and prompts me to set up settings it says it dose not recognize my sim card. Simply just says no sim. I have installed Vendor images to the correct roms and still the same issue. I have also rebooted the devices taking the sim card in and out of it multiple times. If anyone could help that would be great. If needed ill pay someone in BTC or ETH
It's an Android 8.0 thing nobody knows what the cause is. Try simple fixes first like disabling screen lock and rebooting, reflashing vendor and then the big one wiping your phone and flashing stock 8.1 . All have been successful if you read through any 8.0 ROM thread. At least 1 on every 8.0 thread page suffers from it. If you don't have access to computer for stock could always flash any 7.1.2 ROM.

Moto G5 plus not even switching on after updating

Okay guys firstly i have a hope that some one would definitely help to come out of this ....
lets directly jump into the matter
i unlocked boot loader started using Custom ROM everything was fine until i got this into my mind
planned to re flash the stock rom and to be honest i had a november patch before flashing Lineage 15.1 custom ROM or unlocking boot loader and i totally forgot to Take a back up of my Nougat 7.1.2.
Today morning when i Flashed stock Rom for my device it booted up properly, but there was no service when i checked my IMEI they were 0 and asked for an update due to wifi connectivity .. Okay this is where the problem started i used
i downloaded the update and i just gave install then it restarted and went to the boot loader saying installing updates then my phone is switched off in half way ... now when i connect it to my PC it just makes noise like it is connected but when i try to switch on it is no switching on ..... when i put for charge notification light next to the speaker keeps blinking .....
is it hard bricked ?? or is it my phone dead or literally i cannot do anything at all ?
Please........
Any help would be appreciated
not able to switch on my phone
please delete this thread ... i fixed my issue

SIM Card not usable after flash

Hello Community! I hope I am right here, otherwise please just move this thread to where it belongs to, thanks!
I have a serious problem with my sgs 8 (950F). I flashed newest twrp, magisk, renovate-ice-g95x-r164 and no-verity-opt-encrypt-5.1. Everything worked fine and like a charme. I decided to update to a nightly version (worst decision ever) and before i was able to flash, twrp said: zip file corrupted. So I decided to go back to version 164 via the full backup i´ve made in twrp before. After the restore-process was finished, the device didn´t recognize the sim card anymore. So I tried to go back to stock firmware, which did not work since (after odin says pass) the firmware always stops at 32% and erases everything but the download mode on my phone. So I flashed twrp again, made a full wipe und data format and installed the renovate ice 164 again. After the boot, the sim card is detected and I also have to unlock it with the pin code. The problem is, that i can´t enter the network (Austria/Telering) and also I can´t search for any networks with my sim card, only emergency call is available. I am desperately looking for a solution to solve that problem and since I am no expert when it comes to details in flashing and the connections between hardware and software, i really could need help from experts. My guess is, that something is wrong with the modem. Can this be solved by flashing the mode new via odin? Stock firmware is not able to be flashed on my device, because of the error I mentioned above.
Thanks for you help and time!

did i brick my device?

basically this is how it went, installed an android 10 rom, it was buggy so i flashed back to stock miui with adb to fully reset everything, installed a recovery and went back to pixel experience
now the phone won't recognize my sim card and wont find any wifi connections, miui also did not find any wifi connections and wont recognize the sim either
am i screwed? is my device bricked?
Have you used the tool from xiaomiflash.com for the stock ROM?
Probably lost IMEI too? Modem could be broken and needs to be reflashed. No way without edl i guess. I dont know. Needs some pro advice. I would like to know about this too.
7enas said:
Probably lost IMEI too? Modem could be broken and needs to be reflashed. No way without edl i guess. I dont know. Needs some pro advice. I would like to know about this too.
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yeah that was the problem, i added a few lines to the terminal in twrp and fixed it
good afternoon , loop infinite
I have a problem, after installing the recovery I installed a custom custom rom the viperos, after restarting it gave an infinite loop in the logo, then I tried to install the syberiam rom and I also stay in the infinite loop, and so two other rom , and I can not flash the original rom with the XiaoMiFlash.exe, I thank from now and who can give me a light ...
greetings from brazil

Axon 7 Mini Soft Brick cannot apply update from SD

I have only used stock roms on this phone. I originally upgraded my phone from a UK carphone warehouse rom 6.1 (B2017G UKV1.0.0B01)? I think?? That was a few years ago and upgraded to Nougat using the methods used in this forum.
I found that the wifi would sometimes disappear from the phone and you would have to reboot the phone to get wifi working again. That is ok but after about 3 times of having to do this over a period of a few months it would go again BUT then would then need a factory reset to get the wifi going again! After a year of doing three factory resets
i tried to revert to the older MM 6.1.
I used a ROM that i downloaded from here when i first done upgraded
anyhow i placed ROM in SD and proceeded with the downgrade it went fine up to 81% then got stuck then i restarted the phone again and it got stuck again, so i tried to flash from the SD in recovery mode instead and it says "sorry you can`t sdcard upgrade" so i then pressed reboot system and then it just hangs a the logo.!!
I have rooted phones in the past my last was an LGG2, and a brilliant tool was available so you could flash any stock rom back onto the phone if you had any trouble with custom or stock roms. but there does not seem to be any such tool from ZTE.
If you can help in any way?, i would be delighted!!
THANKS!!
(Soz if i posted in wrong area!)
I got the phone booted through EDL and EDL tool & backup files provided by this site. It took me a while to find all the info i needed.
Also renaming the files from boot to boot.img etc in the edl folder took a bit to work out as the tool kept telling me the files were insufficient!
All good now managed to downgrade to 6.1 UK ...Thanks XDA!!

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