Smartphone battery draining overnight
4.5
Significant battery loss (10%+) while the phone is idle during sleep.
Symptoms
- Low battery in morning
- High "Cell Standby" usage
- WiFi/Data active
Possible Causes
- Poor cellular signal
- Frequent notifications
- App sync issues
Step-by-Step Fix
1
Enable Airplane Mode
Test if network searching is the cause.
2
Check Sync Settings
Reduce frequency of email and app data syncing.
3
Battery Saver
Turn on battery saver before sleeping.
When to See a Technician
A healthy phone should only lose 2-4% battery overnight.
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