Mi 9 Black screen battery icon only - Xiaomi Mi 9 Questions & Answers

Hello
I would like to know if some of you have been through this on your xiaomi phone if you help me solve it or could you tell me what can I do with it?
when I connect it to the charger, the battery icon appears and shows the MI icon but disappears quickly I have no recovery or fastboot does nothing
Thank you
View attachment 4802319

Did you solve it? I'm in the same situation.
Without any reason the phone has stop working... Any idea what I could do to bring it back to live?

Related

MI 5 black screen with MIUI ROM

Hi, i have mi5 and when i turn it on
screen shows mi boot logo and animation like normal booting process..
but when it finished the screen goes black, i try to push power / home button rapidly
and i see the screen turn on only in 1/4 second!
I've tried factory reset, but the problem is still same.
it hapens only with miui rom. All other rom (Syberia, Lineageos, Pixel Experience works very well
thanks
Same problem here. Don't know how to fix.
Do anyone know how to fix it?

Mi 9t pro won't turn on after screen replacement but shows charging indication.

Hi!
As the title says, I replaced the screen of my Xiaomi Mi 9t Pro (6/128), and the new screen wont turn on. When I charge the phone, it shows the Mi logo on the screen, plus the percentage, which means the new screen works, powers on and makes contact with the phone.
The problem is though, turning the phone on. The phone doesn't respond to the on/off button, or the power on setting when pressing the motherboard. I tried every button configuration, but it doesn't seem to work. All connections and cables and such are intact as well.
Any help/tips?
Thanks in advance!
spotter123 said:
Any help/tips?
Click to expand...
Click to collapse
I don't quite have experience with this, but have you tried:
- Booting to recovery and Clearing all data, or
- Reinstalling MIUI, or
- Unlocking bootloader + installing a custom OS
Just a theory, but these may help the software recognize the display as the primary, as I think that may be the problem here- as it's not a hardware problem
AvgZing said:
I don't quite have experience with this, but have you tried:
- Booting to recovery and Clearing all data, or
- Reinstalling MIUI, or
- Unlocking bootloader + installing a custom OS
Just a theory, but these may help the software recognize the display as the primary, as I think that may be the problem here- as it's not a hardware problem
Click to expand...
Click to collapse
Alright, How do I do this when I'm unable to turn on the phone ?
spotter123 said:
Hi!
As the title says, I replaced the screen of my Xiaomi Mi 9t Pro (6/128), and the new screen wont turn on. When I charge the phone, it shows the Mi logo on the screen, plus the percentage, which means the new screen works, powers on and makes contact with the phone.
The problem is though, turning the phone on. The phone doesn't respond to the on/off button, or the power on setting when pressing the motherboard. I tried every button configuration, but it doesn't seem to work. All connections and cables and such are intact as well.
Any help/tips?
Thanks in advance!
Click to expand...
Click to collapse
Hi,
I have the same problem as you with my Mi 9T.
I suspect that I applied to much heat near the powerbutton, is this possible?
Did you find a solution?
best regards
edit: Alright the problem is that the Powerbutton only works when the motherboard is screwed to the frame (or pressed down for testing), just assemble the phone and you should be fine. writing this mostly for people who find this thread via google like me^^
kingglouki said:
Hi,
I have the same problem as you with my Mi 9T.
I suspect that I applied to much heat near the powerbutton, is this possible?
Did you find a solution?
best regards
edit: Alright the problem is that the Powerbutton only works when the motherboard is screwed to the frame (or pressed down for testing), just assemble the phone and you should be fine. writing this mostly for people who find this thread via google like me^^
Click to expand...
Click to collapse
Well,
I brought my phone to a repair shop and they told me I cut the power connector while opening the back panel.
They were unable to order them directly from Xiaomi so I did it via Ali-express, and now its fixed. Don't use object that're too sharp while opening back panel! I watched too much Jerryrig on Youtube haha.
kingglouki said:
Hi,
I have the same problem as you with my Mi 9T.
I suspect that I applied to much heat near the powerbutton, is this possible?
Did you find a solution?
best regards
edit: Alright the problem is that the Powerbutton only works when the motherboard is screwed to the frame (or pressed down for testing), just assemble the phone and you should be fine. writing this mostly for people who find this thread via google like me^^
Click to expand...
Click to collapse
You are a lifesaver. I also connected the new display to MI 9T and it lit up only when I plugged the phone into a charger. But it wouldn't turn on. I was worried that I have broken something like the flex cable from battery, but pressing down on the motherboard worked. Thank you!

Mi 9 infinite loop on the boot screen

Hi- So I was using chrome on my Mi 9 and when the screen locked the actually went off. Now it doesn't turn on. If I press the on button then all it does is show me the Mi logo and then it goes to black and then the logo again, sometimes the logo turns orange but either way it doesn't turn on.
I don't know anything about custom ROMs so I have my phone stuck, also use it for whatsapp, youtube and chrome, no games, no nothing.
Can someone help me fix this? I don't even know where to begin. I have the global version and upadated to MIUI 11 back in November I believe.
Oh and I just remembered my phone did this like 2 times in the past but it eventually booted fine. This time is not working.
Thanks,
Hello
I assume your bootloader is locked.
You can try to boot to recovery (Power + Vol up) dans wipe data. On the most case this could fix your problem.
BTW you'll lost all your data.
Pliskinn said:
Hi- So I was using chrome on my Mi 9 and when the screen locked the actually went off. Now it doesn't turn on. If I press the on button then all it does is show me the Mi logo and then it goes to black and then the logo again, sometimes the logo turns orange but either way it doesn't turn on.
I don't know anything about custom ROMs so I have my phone stuck, also use it for whatsapp, youtube and chrome, no games, no nothing.
Can someone help me fix this? I don't even know where to begin. I have the global version and upadated to MIUI 11 back in November I believe.
Oh and I just remembered my phone did this like 2 times in the past but it eventually booted fine. This time is not working.
Thanks,
Click to expand...
Click to collapse
Let me know what goes on, chief.

MI 9 turn off randomly (MIUI 12 - 12.0.3.0)

Hi everyone,
my phone MI9 turns off randomly since the release MIUI 12 was released.
This problem can happen both when the phone is on standby and when I'm writing on whatapp... anytime...
Do you also have this problem with MIUI 12 ? Any solution?
... sorry if I wrote the wrong section
thanks.
Hey! Your mi 9 is randomly turning off and it's not turning on anymore or it's only turning off and go back to normal after it?
Rustrobski said:
Hey! Your mi 9 is randomly turning off and it's not turning on anymore or it's only turning off and go back to normal after it?
Click to expand...
Click to collapse
I am sorry for the late reply.
When My MI9 turns off, it usually goes back to normal after it.
In some cases, it turns on again but turns back on immediately when the MIUI logo is displayed.
When i press a keyrboard character, it is typed several times.

Redmi Note 9 Shutting off and going into bootloop

Hello o/
My Redmi note 9 keeps turning off automatically when not charging and when I turn it on it shows the MIUI logo but then screen goes black after 2-3 seconds, the same keeps happening if I hold on to the power button or charge the phone, it'll buzz and show the logo and go black and repeat. I can't access the "Volume UP + Power button" mode but I can access the fastboot mode.
I don't know much about "fastboot" or "flashing" so help me out, a video I watched made me download the stock rom for redmi note 9 (from the official website) but I don't know what to do with it.
When I first had this issue I looked at a fix that involved tapping the phone, pressing it and cooling it in the freezer for 15 mins. I don't know if those methods helped but my phone started at a random attempt, after which I did a factory reset, I didn't get any issue but after a few days the same problem occurred again, I repeated the methods and managed to turn on the phone and did a reset again after which my phone worked for a few weeks but now the same problem has occurred again and I can't get to work. I gave up last night and now in the morning it turned on (had 94% battery) and placed it on charge, but after a while I removed it from charge and it went black in a few minutes.
At first I thought the issue is because of the battery but its always charged when the problem occurs so i'm not sure : /
Also there are two options to download, recovery and fastboot ROM... I downloaded the recovery one but idk if its the correct one
Yeah I have the exact same problem, I haven't found a solution yet. This appears to be happening to a lot of people
I found a solution. It's not a software issue, it's a hardware issue with the fuse on the battery. The solution is to open the phone back and apply some more solder on the fuse. I did it yesterday and it completely solved my problem. Following this video :

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