How to Restore Factory Settings
Note: Erases all personal data, apps and custom settings
1. Go to Settings > System > Reset options
2. Select Erase all data (factory reset)
3. Confirm the warning prompt to start reset
How to Perform a System Update
1. Go to Settings > System > System update
2. Device auto-checks for updates; tap Check for update to manual verify
3. Follow on-screen prompts to download and install available updates
4. Confirmation shows Your System is up to date if no updates needed
How to View Device Information
1. Go to Settings > About device
2. View all core details: Device name, system version, serial number, hardware specs
How to Update Apps
(For pre-installed system apps only)
1. Go to Settings > System > App updates
2. View the list of installed apps (Apolosign Launcher, Screen Saver, etc.)
3. Tap Check for single app update; tap Install to complete available updates
How to Check Memory Usage
1. Go to Settings > Storage
2. View real-time data: Total capacity, used space, free space
3. Check 8GB extended memory status via Settings > Memory Extension
How to Change System Language
1. Go to Settings > System > Language & region
2. Select System Languages and choose your preferred language
3. Optional: Set individual App languages and adjust Regional preferences (temperature/measurement format)
How to Set Date and Time
Auto-sync (Recommended)
1. Go to Settings > System > Date & time
2. Toggle on Automatic date and time and Automatic time zone
Manual adjustment
1. Toggle off the above auto-sync options
2. Enter custom Date, Time and select your Time zone
3. Toggle Use 24-hour format to switch time display mode