User guide

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> Settings
1: Wi-Fi (On/Off)
2: Bluetooth (On/Off)
3: Data usage
1: Mobile data 2: Set mobile data limit (On/Off)
3: Data usage cycle 4: <Data usage>
4: More settings
1: Airplane mode (On/Off)
2: Mobile networks
3: Wi-Fi Direct (On/Off) 4: VPN
Sound
1: Silent mode
1: Offf 2: Vibrate
3: Mute
2: Volume
1: Media, video, games, and other media
2: Ringtone 3: Notifications
4: System
3: Device ringtone
4: Device vibration
5: Default notifications
6: Sound and vibration (On/Off)
7: Keytones (On/Off)
8: Touch sounds (On/Off)
9: Screen lock sound (On/Off)
10: Emergency tone
Display
1: Brightness
2: Screen timeout
1: 15 seconds 2: 30 seconds
3: 1 minute 4: 2 minutes
5: 5 minutes 6: 10 minutes
7: 30 minutes
3: Auto-rotate screen (On/Off)
4: Key backlight duration
1: 1.5 seconds 2: 6 seconds
3: Always off 4: Always on
5: Font style
1: Cancel 2: Get fonts online
6: Font size
7: Display battery percentage (On/Off)