Battery and power management
Checking battery consumption for applications
Making specific applications exempt from optimization
STAMINA mode
Battery Care
Updating your device
Before updating your device
Updating your device wirelessly
Updating your device using a computer
Restarting, resetting, and repairing
Restarting, resetting, and repairing your device
Repairing the device software using Xperia Companion
Resetting your applications
Improving memory performance
Viewing the memory status
Freeing up space on the internal storage
Stopping applications and services from running
Formatting the memory card
Smart cleaner
Internet and networks
Mobile data connection
Increasing Wi-Fi signal strength
Controlling data usage
Basic settings
Settings menu
Volume, vibration, and sound
Volume and vibration
Sounds and tones
Screen settings
Application updates
