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Mi 8 does not turn off or reboot after some hours turned on

I'm having the same problem in all versions. After running on the phone some hours, if you try to reset or power off the phone, it doesn't turn off at all. The screen goes off but the phone is still on. It keeps working. It can be tested turning on flashlight and powering off or resetting it, the flashlight doesn't turn off. It does not turn on again until you force reset by pressing a while the power button. I think it's related to the GPS problem, after some hours the GPS stops working, and this problem also appears.

Looks like I have the same problem.

bassbounce said:
Looks like a classic rma, contact the store where u bought it and do a warranty claim.
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I think its a firmware issue, because I'm not the only one affected by this problem. Two friends on miui 9 and me on miui 10...

Nvm got the same bug.

I've installed with miflash latest miui 10 global beta, ant the problem is still here. I've found this problem only when gps stops working

prototovsky said:
I've installed with miflash latest miui 10 global beta, ant the problem is still here. I've found this problem only when gps stops working
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I just noticed that I have the same problem.
If I want to reboot the phone after a few hours he won't reboot and the screen stays black very annoying problem.

Same problem with last miui 10 eu

Dont have this problem on official global beta miui 8.8.7, sounds like software related issue to me rather than a hardware problem;

Yes, I think this because before unlock the bootloader and flash the miui 10 Eu i dont have this problem

Seems that this problem is fixed with the last miui 10 Eu 8.8.9

achickennugget said:
Dont have this problem on official global beta miui 8.8.7, sounds like software related issue to me rather than a hardware problem;
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I have now this version and the problem is there again... installed with miflash. 8.8.7 is still buggy with GPS and reboot. Let's see 8.8.9...

Xiaomi.eu has noticed this problem on their latest version too: https://forum.xda-developers.com/mi-8/how-to/rom-miui-10-8-8-9-xiaomi-eu-t3827802 (see changelog)

Hello guys, I'm facing this problem too on MIUI Global Stable 9.6.4.0, I reported the issue on MIUI forum, it would be great if you could kindly confirm my bug report to obtain more attention. Thank you. http://en.miui.com/thread-3726710-1-1.html

Very strange problem

Hi guys, I have a strange problem with my other Mi 8.
A week ago the screen suddenly turned off while device was still on, so I could connect it to pc and transfer files or listen sound from device. I flashed it through fastboot to stock rom but I didn't solve the problem. After 7 days, the screen turned on and it seems working fine. I think it's not a software problem cause I flashed it, but it can't be a hardware problem cause now it works...
It's a Mi 8 China version, unlocked by unofficial way with global ROM installed: should I unlock it officially? Could be this the problem?
What do you think about? Thank you.

Question Launching the camera freezes the phone

Hi everyone,
Is anyone having this problem. From time to time when I launch the camera I get a black screen and the phone stops responding, unless I restart it. I was having this issue when I was on 12.0.1 version, then I guess it was fixed on 12.5.2, then reappeared on 12.5.4.

I'm on the Xiaomi.EU weekly and was previously on CN 12.5.4 stable a while back and haven't experienced this issue before.
I take it you've tried clearing the Camera's data and cache files?

Upgrade to 12.5.12

speedtripler said:
Upgrade to 12.5.12
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I am on the global rom

algerinferno said:
I am on the global rom
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Gotta be patient for awhile then.... Or unlock and flash eu ROM.....

Losing signal after MIUI update to 12.5.4

Hello guys.
I need help asap.
today after updating to the latest stable release (MIUIU 12.5.4) I started experiencing problems with the signal coming on and off every two or three minutes. It loses both gsm and 4g services.
I tried removing the SIM card, restarting, updating the android web view, everything.
has anyone Experienced something similar ?????
thanks

How did you flash the update ?

i just used the official miui updater.
My phone is not even rooted

zzhor84 said:
i just used the official miui updater.
My phone is not even rooted
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Did the issue fix itself?
I am encountering the same issue and looking to know if it is a phone thing or an update issue.
I factory reset the phone but the issue is still occurring.

I tried downgrading to 12.5.3 but it didn't work. Seems like roll back is prohibited at my phone.
The issue stopped occurring for approx 9 days and yesterday without doing anything it started reoccuring and has not stopped since.
The issue keeps reoccurring even in safe mode.
I am totally confused. I don't know what to do

The same issue with mine also after updating to 12.5.4. The phone can't be used while every 2-3 minutes disconnects from network. Any ideas?

Question Device freezing in MIUI 13 all versions and variants

After updating to MIUI 13, I randomly have freezing issue (when scrolling tiktok, playing game, watching youtube, etc.) which sometimes fixes if I wait and the system shows notification of "The *app* stopped working" or something, and many other times I can only force reboot the phone (by holding the power botton until it reboots).
The issue never occured on MIUI 12, only on MIUI 13 from the first version untill now. So overtime I downgrade the ROM or change it to other variants such as global version (the issue also occurs in other country's variants of MIUI 13), hoping that the bug is fixed everytime there is a newer version of MIUI 13 of Indonesia but it's never been fixed.
I report many times through the feedback and service but they only suggest to keep the RAM and memory managed, and to charge the phone in time, which don't solve the issue since I have plenty of internal memory space available and use the phone the same when I'm on MIUI 12 (also how the hell do I charge it in time?!).
Does anyone have this issue as well? And how do you fix it other than to downgrade or to change to custom ROMs? Is it better to wait till MIUI 14 comes out than to downgrade it again? Sorry for my bad English.

i have the same issue though, I'm still hoping an update for this kinda issue because it's really annoying. I'm not sure for install custom rom will fix it, or it does.
I ever thought that downgrade is the only way to do, because when I use miui 12 I didn't get any of bugs and issues.

Arenote? said:
i have the same issue though, I'm still hoping an update for this kinda issue because it's really annoying. I'm not sure for install custom rom will fix it, or it does.
I ever thought that downgrade is the only way to do, because when I use miui 12 I didn't get any of bugs and issues.
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MIUI 13.0.8 just came out a few days ago for my region, but I won't upgrade it at least until MIUI 14 comes out.
Installing custom rom does fix it. I tried Pixel Experience once and never got the bug, but I didn't quite like the overall appereance so I decided to just downgrade it again to MIUI 12.5.5.

Yes. I have had this EXACT same issue, too. factory reset did not resolve. Redmi Note 9 Phone is all but useless now. Can use for a few minutes at a time, before it freezes. Miui 14 should be around the corner now, but I'm not hopeful.

spud1962 said:
Yes. I have had this EXACT same issue, too. factory reset did not resolve. Redmi Note 9 Phone is all but useless now. Can use for a few minutes at a time, before it freezes. Miui 14 should be around the corner now, but I'm not hopeful.
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MIUI 14 also does not resolve the issue for me, so downgrading is the only solution (not even MIUI 13 and 14 based custom rom fix it). But some people from RN10pro forum got it fixed after a few updates. Here are some suggestion I got from there:
1. Check if your SD card is dead, simply replace it or take it out.
2. Change your system to light mode.
3. Disable the memory extension.
Some people got it fixed after doing one of the above suggestions but not for me.