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No Bluetooth devices are
found nearby
Too far from other Bluetooth
devices
Move the device closer to
other Bluetooth devices within
10 meters (32.8 feet).
The Bluetooth devices nearby are
not turned on
Turn on the Bluetooth devices
to be found
The Bluetooth device is not in
the discoverable mode
Set the Bluetooth device to the
discoverable mode
Fail to connect to AP
Display "There is an
authentication failure"
WLAN passwords are
incorrect
Fail to take pictures
Prompt "No Storage Device"
Exit USB Storage Mode
Prompt "Camera Failure”
The camera cannot be turned
on when QR scan light is
emitted after QR code
campaign is disabled
Prompt "SD card space is
insufficient"
Clear memory or switch the
storage locations
Fail to surf the Internet
through moile data
Mobile data is disabled
Enable the data networking in
the Settings interface
The network mode is selected
incorrectly, and the SIM card is
not registered
Select the correct network
mode in the Settings interface
The SIM card account is in
arrears
Recharge the SIM card in time
