Symptom:
Nexus 4 battery drains very quickly after a full charge.
Cause:
Uncertain.
Solution:
See toubleshooting steps.
Troubleshooting Steps:
- Checked battery usage. No particular app using too much power.
- Bluetooth disabled
- Screen brightness set to automatic.
- Under WIFI -> Advanced
- Disabled “scanning always available”
- Disabled “keep WIFI on during sleep”
- Uninstalled unused applications