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Managing applications
53 Downloading applications
53 Installing an application
53 Sharing an application
54 Uninstalling an application
54 Clearing the application cache
Phone Manager
55 Optimizing the system
56 Power manager
56 Harassment filter
Backup, restoration, and update
58 Backing up data to the local storage
58 Backing up data to a USB storage device
59 Restoring data from the local storage
59 Restoring data from a USB storage device
59 Restoring factory settings
60 Online update
Tools
61 Calendar
61 Clock
63 Weather
Phone settings
65 Turning on or turning off airplane mode
65 Adjusting the screen brightness
65 Modifying tone settings
66 Modifying display settings
67 Turning on or turning off do not disturb mode
68 Setting the date and time
68 Changing the system language
68 Setting the PIN of your SIM card
Legal Notice
Index
