Smartphone battery percentage stuck
4.5
The battery indicator doesn't change or jumps suddenly between values.
Symptoms
- Fixed percentage
- Sudden shutdown at 20%
- Instant 100% charge
Possible Causes
- Calibration error
- Failing battery cell
- Software glitch
Step-by-Step Fix
1
Calibrate Battery
Drain to 0%, charge to 100% uninterrupted.
2
Wipe Cache
Clears battery stats in some Android versions.
3
Check Battery Health
Use a diagnostic app to check for hardware wear.
When to See a Technician
A "stuck" percentage often means the battery controller needs a reset.
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