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Application cannot be used
• Check if your device has sufficient storage. Delete some
messages from your device.
• Check if application is damaged. Please uninstall the ap-
plication or reinstall the app. If cannot be xed, please try
resetting system.
• Chances are that the application is not compatible. Uninstall
the application and choose compatible version.
• Check and enable applications management permissions.
Standby time is short
• Chances are that the battery performance decreases.
Please contact service center for changing the battery.
• If you play games or listen to music for a long period of time,
the standby time will be short. Please shorten the time.
• If the screen is too bright, adjust the brightness of the
screen.
• If the device is used in weak signal environment, the stand-
by time will be short. Please move to strong signal locations.
• Turn off cellular data, GPS, Bluetooth, Wi-Fi switch when
not using them.
• If the application is not used now, please close it.
• If the application is not used for a long period of time, it is
suggested to uninstall it.
Recharging problems
• Ensure that device is charging at a normal temperature.
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