Phone won't turn on - Xiaomi Poco F1 Questions & Answers

Today while my phone was in sleep (turned on but screen locked) I haven't been able to wake it up using the fingerprint sensor. Pressing the Power key didn't work either, so I tried to reboot it by pressing it for a longer time, but the phone won't reboot.
I tried to use enter recovery mode and fastboot using the volumes keys + power, either by plugging it to my PC or leaving it unplugged. I also tried charging it but the charging LED doesn't turn on and after 10 minutes it is still not working.
I have unlocked bootloader, Havoc OS ROM, Sphinx Kernel (with default settings). No tweak on CPU, RAM or anything else.
Do anyone have an idea of what's going on ?
Thanks in advance for your help

Mayby try asking on Havoc OS or Sphinx kernel thread.
Sent from my POCOPHONE F1 using Tapatalk

Poco F1 got hanged so screen was not working...so I forced switched it off by pressing and holding power button for 10sec it switched off....(yesterday)..still now it is not turning on ...but I noticed it is getting still warmed ...morning I charged it .....etc....plz help me out

Meh rambo said:
Poco F1 got hanged so screen was not working...so I forced switched it off by pressing and holding power button for 10sec it switched off....(yesterday)..still now it is not turning on ...but I noticed it is getting still warmed ...morning I charged it .....etc....plz help me out
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Click to collapse
Same happened to mine. not even the chargine led is working.

Related

Nook tablet won't turn back on!?

So I used my nook tablet all day yesterday and this morning. I put it down to goto lunch.. came back and noticed my wifi was not on.. I checked settings and it showed "Wifi turning off" and it was grayed out and just stuck.
I've seen this before with other android devices so no biggie. I powered the unit off.
Now it won't turn back on. Holding the power button now for about 20 secs and nothing.
The battery is at like 80% and I even plugged it in to see if it helped but no good.
I did root it at 1.4.0 and used the Block OTA method with titanium backup but nobody else seems to have a problem.
Is there a way to boot in recovery or something ? Perhaps a trip back to B&N will be needed.
Ok.. holding vol down + power for around 8 secs got it back on. Weird
i have noticed this a few times. Not sure why but never lost anything
DssTrainer said:
Ok.. holding vol down + power for around 8 secs got it back on. Weird
Click to expand...
Click to collapse
His happened to me once and I don't know what I did to get it back on. Glad that I now know, thanks.
Sent from my rooted Nook Tablet.
DssTrainer said:
Ok.. holding vol down + power for around 8 secs got it back on. Weird
Click to expand...
Click to collapse
I had a similar problem. I couldn't get the tablet to turn on. I discovered in a Kindle Fire forum that you could get the Fire to start when stuck in the off position by holding down the power button for 20 seconds. I tried that with my Nook and it started right up.
Thank! That worked! I was having the same issue. Said Wifi was turning off and all went blank and couldn't reboot. You gave me the answer.
Cheers.
I have had the wifi "turning off" issue. Rather than turn off the nook, I used the menu that you get with a long press of the power button when you install either ROM manager or titanium backup, can't remember which. It has rebooted every time without issue.
The Wifi issue is a known problem. You can set the wifi to stay awake when on the charger and this problem wont happen. Add the power widget so that you can turn the wifi off when not connectwd to the charger. This combo fixes the wifi issue. When your Nook experiences a kernel error it will appear as if it is off but if you hold it at angle, you will notice backlight is on. Just hold nook button and power and it will turn off...then power to reboot rom.
C64assembly said:
The Wifi issue is a known problem. You can set the wifi to stay awake when on the charger and this problem wont happen. Add the power widget so that you can turn the wifi off when not connectwd to the charger. This combo fixes the wifi issue. When your Nook experiences a kernel error it will appear as if it is off but if you hold it at angle, you will notice backlight is on. Just hold nook button and power and it will turn off...then power to reboot rom.
Click to expand...
Click to collapse
Actually, it's happened to me twice while I had WiFi set to never sleep when charging.
Moved To Q&A​
We now have a Q&A section. Please post all questions there​
I rooted my Nook Tablet and it worked fine yesterday. Now it won't turn on and isn't recognized by my PC. I hear the windows alert when a usb device is connected but when I try to do anything via adb I always get 'error: device not found'.
I tried doing adb get-state and all I got was 'unknown'
I tried booting into recovery via holding the power button + n for various amounts of time, but nothing happened.
Does anyone have any ideas? It was working fine yesterday and I haven't changed anything on it since I used it last.
Hold the power button down for about 10 seconds. let it sit for a minute, then hold the power button for another 5 seconds or so and release. It should boot up. (assuming your battery is charged)
Know-Fear said:
Hold the power button down for about 10 seconds. let it sit for a minute, then hold the power button for another 5 seconds or so and release. It should boot up. (assuming your battery is charged)
Click to expand...
Click to collapse
I had to do a reset (power button + Home) twice so far. Each time it happened after I left the tablet to recharge overnight. It did not turn on as it normally does when you unplug the charger.
I must admit that the (power button + Home) reset does not seem to be cut & dry. The routine quoted above worked the first time. The second time, I tried it several times then finally I tried the pwr button by itself and it went on.
Mine just did this Power and vol down got it running again.

[q] 16gb nt possibly bricked ???

THIS MORNING I FLASHED CM7 AND THEN WENT TO FLASH THE G APPS AFTER WIPING CACHE,IT WIPED BUT THEN I ACCIDENTALLY HIT THE n BUTTON WHICH IN THAT CASE IT REBOOT I BELIEVE WAS THE FIRST OPTION IN CWM BUT,SCREENS BLACKS AND THAT HOW IT IS AT THIS VERY MOMENT SO DID A BACKUP BEFORE INSTALLING CM7 BUT I ASSUME I NEED TO GET TO RECOVERY ..... SO QUESTION IS HOW AND WHATS THE BEST METHOD
TY
Did you try turning it off and then booting into recovery?
It doesnt turn off the screen is on but black( you can see light ) i held the power button down nothing happens,i also did combo of holding buttons downs nothing as well
You need to hold the power button in until the devices shuts off. It will shut off.
Solar.Plexus said:
You need to hold the power button in until the devices shuts off. It will shut off.
Click to expand...
Click to collapse
[Problem has been solved with your help its fines and I have G apps on it now thanks B][/B]

How to switch on Xiaomi Mi4i without the power button

Hi,
My phone has a faulty power button and I'm unable to get it fixed. I've found easy work-arounds for it for locking and unlocking the phone. However, I'm not sure how to turn on the phone if it's switched off.
When I connect the charger, even if the battery is 90% it won't turn on on its own...
njr08 said:
Hi,
My phone has a faulty power button and I'm unable to get it fixed. I've found easy work-arounds for it for locking and unlocking the phone. However, I'm not sure how to turn on the phone if it's switched off.
When I connect the charger, even if the battery is 90% it won't turn on on its own...
Click to expand...
Click to collapse
Have you ever solve the problem? I've also the same faulty button..and I don't know how to power on without this button
maranric said:
Have you ever solve the problem? I've also the same faulty button..and I don't know how to power on without this button
Click to expand...
Click to collapse
Nope, the only way I could turn it on was to open the back cover (very painful process) and then press the button area with a pin.
Couldn't get it fixed, so I had to change the phone.
I think there are possibilities in rooted phones, but otherwise the best thing to do is to keep a battery alarm at 30% or more, and keep it on charging whenever you can to avoid a power off. In power on, there are many ways of locking the screen in the MI UI.
njr08 said:
Hi,
My phone has a faulty power button and I'm unable to get it fixed. I've found easy work-arounds for it for locking and unlocking the phone. However, I'm not sure how to turn on the phone if it's switched off.
When I connect the charger, even if the battery is 90% it won't turn on on its own...
Click to expand...
Click to collapse
njr08 said:
Nope, the only way I could turn it on was to open the back cover (very painful process) and then press the button area with a pin.
Couldn't get it fixed, so I had to change the phone.
I think there are possibilities in rooted phones, but otherwise the best thing to do is to keep a battery alarm at 30% or more, and keep it on charging whenever you can to avoid a power off. In power on, there are many ways of locking the screen in the MI UI.
Click to expand...
Click to collapse
Thanks. I installed Blocco Schermo - Simi Studio v.3.21 , a simple app to lock the screen...and when i flagged the option "show in notification area" , the problem magically disappeared.. The Power On/Off button started to work again. I think it was an hardware problem (because the problem has come up after the phone was at the sunlight for hours in my car and went very hot) but now i think it's obviously a software problem.
Hi guys, I got the same problem too. Unfortunately, I drained my batt while playing games. So the problem now is I can't turn it on. Any idea how to turn on the phone without using the power button?
I solved it
Hi guys i solved a problem! You should hold main button + down volume button for 10-20 seconds. Then, when MI Remote opens, stay on the reboot and wait about 3 minutes, then stay on the reboot systems as well. Great work!
just change the volume flexible. its also not took much cost.

Redmi note 4, 64gb rom

Hi Team,
I have the mentioned device with me and it had a problem of not turning ON the screen once turned off..
The exact problem is.
The set normally turns on and able to use by keeping the screen always ON. by selecting
Settings---->Lock Screen---> timer has been set to NEVER.
If once we turns of the screen by pressing the power button to turn off the screen,it turns off normally and if we press the power button again to turn on, it does not turn on .
In this case, we need to start the handset as if we start a new set. I am unable to find the problem.
Mi unlock done, new version flashed successfully using the fastboot rom miui9.0.5.0 and everything went on well. But the said problem still persists.
Request the team to help in this regard.

Hı I want help Sony s

I have Sony s and when Im installing a cm12 In recovery the phone turned of cuz no charge
And now I can't turn the phone in all ways
I tried turn it in flash mod and fastboot mode I can't turn it on
Just I can charge it about 5 minutes and after that's the led light turns of
When I'm pressing power butun and volume + button I can fill a 3 vibration
Anyone have a fix?
Osaid69 said:
I have Sony s and when Im installing a cm12 In recovery the phone turned of cuz no charge
And now I can't turn the phone in all ways
I tried turn it in flash mod and fastboot mode I can't turn it on
Just I can charge it about 5 minutes and after that's the led light turns of
When I'm pressing power butun and volume + button I can fill a 3 vibration
Anyone have a fix?
Click to expand...
Click to collapse
Test to charge over night and then in the fastboot mode.
No charge mean, a empty battery by flashing?
Good luck

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