Last night I was using my phone to take pictures. I put my phone in my pocket and it still had >80% battery life. I took it out about 20 minutes later and it was just completely dead, no response to buttons, no buttons worked, etc.
When I came home I plugged it in figuring the battery must have somehow died, but now I'm getting a red light blinking. I let it charge for some time now (over 5 hours) but it still won't turn on. I also tried the "hold both volume and power buttons" trick but the red light just stops blinking and starts again.
Any ideas?
Update: Now plugging it in does nothing. No light of any kind.
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hi, i'm unable to start my phone. all of a sudden it turned off while being on charger.
The LED now lights dim red (if on charger) and does nothing. Pressing any side buttons do nothing, just the led still lights dim red. Plugging off charger cable doesn't make any difference just the LED turns off.
Can this be due to battery not charging? It has power off shortly ago due full discharge. I plugged in charger, phone turned on for a while indicating charging by LED bright red. Phone was awake about several minutes, then this sudden die.
Any help is highly apreciated.
have you already long pressed the power button until the phone vibrates?
It was solved! The phone kicked in 30 minutes after, now behaves normal.
Anyway curious why the phone didn't start so long. Tho discharged it had power supply.
I replaced battery recently, so maybe a bad contact or the cord dropped out?
I have a M7 that's been running CM 11 for a couple weeks now. Went to bed last night with the phone charging, playing podcasts. When I woke up, the phone is non responsive, won't turn on, only sign of life is a green LED flashing constantly about once a second. The red charging LED won't come on when the phone is plugged into the wall. When plugged into a PC, the PC doesn't recognize that there's anything plugged in.
I've tried power+vol down, and same button combo with a bright light next to the proximity sensor, to no effect. Any help is appreciated.
brouski said:
I have a M7 that's been running CM 11 for a couple weeks now. Went to bed last night with the phone charging, playing podcasts. When I woke up, the phone is non responsive, won't turn on, only sign of life is a green LED flashing constantly about once a second. The red charging LED won't come on when the phone is plugged into the wall. When plugged into a PC, the PC doesn't recognize that there's anything plugged in.
I've tried power+vol down, and same button combo with a bright light next to the proximity sensor, to no effect. Any help is appreciated.
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you ever figure this out ?
you can hold power plus volume up for 20 seconds thats a hard reboot
then try power plus volume down to enter the bootloader
It must have gotten into some kind of hard lock. I let it sit until the battery ran out, charged it up for a few hours, and turned it back on like nothing had happened.
I updated the day before yesterday my C6833 with CM nightly cm-12-20150222-NIGHTLY-togari.zip.
and forgot charge, battery was empty.
Then Problem appeared.
During connecting any charger, Led turned on with red light. but, it won't charge.
I tried all thing i know.
Reset with power button + volume up, vibrating, connecting charger whole days. but not charge.
sometime, it showing charging display (battery charging animation).
......then it not increased from 1%, time passed about 10 minutes, battery went to 0%, it turned off. and again led red light turned on.
Can somebody help me?
Did you try putting it in download mode and putting stock ftf
I had the same.
Plugged it into computer while pressing vol up, got blue led. Used flashtool to put a kernel on it. It worked. Disconnected but remained charging. Flashed a ROM from recovery.
My wife has a Z4 LTE tablet she bought a little over a year ago that has been working great until the past 24 hours. She was using it as the battery was drawing near zero, but instead of it throwing the normal warning at 5% battery life it just shut down on her. She plugged it in to charge, and 15 hours later it wasn't turning on.
Here's what we've tried:
* Removing the SIM card and the SD card, disconnecting the USB charging cable, and holding down Vol +/- and power button. No vibrations.
* Holding Vol + while connecting the USB cable to a laptop USB 3.0 port. Charging indicator light turns blue. Let it sit for an hour, disconnected USB, system immediately turned off. Pressed the power button. Nothing happened.
* Not hold anything down, plug the USB charger into the stock Sony wall-charger (U.S. market) that came with the tablet. Light turns red for 1 second, green for 1 second, turns off for 1 second, flashes red, then turns green. Let sit for an hour. Press the power button. Nothing happens.
When connected to the laptop, with the charging light Blue, ADB found no connected devices. Tried again with the charging light green. ADB still found no devices.
Frustrated, we disconnected it for everything and let it sit for two hours not connected to anything. My wife tried to turn it on, and we got it to boot! It had 5% battery remaining. Every cable we connected to it, whether to a wall charger or to a laptop, triggered a USB warning notification stating that the USB needed to be connected to a charger, but this notification was immediately replaced with the low battery warning notification before we could click on it to attempt to take any action, if any actions were even available. Hoping for the best, while it was on and now with 3% batter remaining, I tried holding down the Vol +/- buttons and power button again hoping to trigger a device reset.
Now it's back to not booting, and the power indicator light again did the red, green, off, red, green cycle.
We're well outside warranty on this one, and with no cosmetic damage I'm hesitant to try to dismantle it if I can avoid doing so.
I've scanned all the other threads and couldn't find any similar issues, so I turn to you. Any advice would be most appreciated. Any advice that leads to my wife getting her primary computing device back in full operations mode is even more appreciated.
Help XDA Community. You're my only hope.
I was using flashlight on my phone and battery was nearly dead. It suddenly drained completely, and after that I never got phone to boot up even after charging it for 5 hours. What happens when I plug it in is, LED lights flash in different colors one by one, red-green-blue red-green-blue, and so on endlessly. I tried holding down power button with volume buttons, first for 15-30 seconds, and then up to 2+ minutes and that didn't boot it up as well. What should I do to get my phone to turn on!?