User manual

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When an app icon is hidden, you can view the app by entering the
access number on the touchpad. This does not require verifying the
encryption passcode.
Access-Hidden Apps
Enter the access number on the touchpad to open the app. The access
numbers begin with "#" and end with "#" which also contains 1-16 digits,
such as # 0000 #.
Payment Protection
ColorOS provides you with a secure payment environment that
ensures a safe environment for online payment.
When you use mobile payment, the system will automatically detect the
current payment environment.