FIX BATTERY NOT CHARGE
You need:
M4 Aqua with battery problem
A needle or a thin thing
Original or compatible USB cable
STEP 1
Follow this video for open the phone (see from start to when it remove battery)
https://www.youtube.com/watch?v=7sFPZJzSAP8
STEP 2
After removed battery, wait 5-10 minutes and connect the phone to pc via the usb cableSTEP 3
Now put back the battery and connect again the connectors
STEP 4
Now DO NOT turn on the phone. If the led light up let it charge for a bit. Now you can turn on the phone and use it again.
Very sorry for my English...
Do not let phone shut down when you have 0% battery, special if you are running custom rom that may have incomplete kernel source.
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