Smartphone not turning on after update
4.5
The device became unresponsive and won't power on following a software update.
Symptoms
- Black screen
- No response to power button
- Not recognized by PC
Possible Causes
- Firmware corruption
- Interrupted update
- Battery depletion during update
Step-by-Step Fix
1
Force Restart
Hold Power and Volume Down for 15 seconds.
2
Charge for 30 Minutes
Ensure the battery isn't just empty.
3
Recovery Mode
Try booting into recovery to repair the OS.
When to See a Technician
A failed update can often be fixed by reflashing the firmware via a computer.
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