Phone won't boot - showing only a battery with a X symbol - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

Hello!
As the title says, my phone won't turn on even when connected, it just shows a battery with a white "X" and then it reboots over and over again, Does anyone know what could be the problem?

If someone is facing the same issue, it was the battery flex being a little loose, it was causing the issue.

Related

Weird Problem

My g1 is acting very weird as it would work fine and all the sudden would just shut down by it self and a blue LED light appear. I can fix this by removing the battery and restart it.
Anyone know what is causing this?
Also i notice that if the phone is charging this never happen....it only happen when the phone is not plug in....could the battery have anything to do with it?

[Q] Will it boot without a battery?

I'm trying to diagnose an issue with my moms LG Revolution, and I was wondering if anyone here could tell me if this phone will boot without a battery (while plugged in, of course). At the moment it doesn't appear to turn on at all... there's nothing on-screen nor is there any audio/vibration cue to indicate that it's booting. Any help?

[Q] Htc one doesn't charge

Hi all,
I've been scouring forums all over the place looking for solutions to this issue I have been having with my sprint HTC one. Last night I plugged my phone in to charge but the battery symbol didn't change to indicate it was charging. There was a notification at the top of the screen saying that it was in "usb host mode" so I restarted my phone thinking that that would work. When it restarted the notification had disappeared, but it still wasn't charging. When I googled my issue the solution that most people suggested was to plug the phone in for 10 minutes, then hold the power and volume buttons down for at least 2 minutes. I tried doing that a couple times but none of them were successful. All the phone did was keep restarting. Now my phone is completely out of battery. I have it plugged in to the wall and it flashes the red led light and displays the charging symbol in the center of the screen for a bit, then changes to an animation of a battery gradually being filled. Then the screen will go black for a few seconds and then repeats the cycle and displays the symbol again.
Does anyone know of any fixes for this issue? I do not think I will be able to get sprint or htc to replace it since I loaded a custom rom on it.
Any help would be greatly appreciated!

[Q] [HELP] Red flashing LED, won't turn on, after battery change

Hey XDA!
Got a problem with my Xperia Z1. It was working fine before the battery swap, aside from a problem with the battery (failing to hold more than 5% charge), hence the swap.
But after removing the old battery and attaching the new one, the phone will not boot, and when plugged into a wall socket, it flashes the red LED in 1~ second intervals. The pow+volume up combination doesn't result in any changes or "3 vibrations", and it won't enter flashboot mode. When plugged into a Windows PC, it registers it being connected, but when the LED turns off, the "disconnected device" sound plays, and it does this every time the LED comes on then off again.
Worst part is that hooking the old battery up doesn't work either!
I'm fairly certain I'm royally screwed but I cannot see clearly why; I checked the phone and anywhere I touched, and I can't see anything wrong. It could be that I was sent a faulty battery replacement and it broke it, or I installed it slightly incorrectly that resulted in the same thing.
Has anyone got a potential solution or am I well and truly screwed?
Cheers!

[HELP] X 2014 only charges, doesn't boot into system/recovery

Hi,
So the battery of My moto x 2014 is almost dead. It shuts down every now and then, even when the battery meter says its 100%.
Few hours ago it got shut down. I was busy so I connected it to charger and left it as it is. Now when I picked it up it won't turn on. When I connect the charger it shows battery symbol for 2 seconds, vibrates then shows smaller battery symbol (all black screen with white battery symbol in the center, and the symbol is full white meaning the battery is full), and then complete blank screen.
I tried to boot into system, recovery, fastboot but it won't work.
When I connect it to computer, computer gives off a sound that a new device is connected but adb won't recognize the device.
Help!
Hey mods you can delete this thread.
I was trying to remove the back cover and somehow the power button ribbon came out of its slot. I only saw it once I removed the back cover completely. Putting it back fixed the problem.
Sorry guys! ?

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