76
Phenomena
Analysis
Solution
be blocked by tall buildings or
frustrated in the underground areas.
The radio may suffer from external
disturbance (such as electromagnetic
interference).
Stay away from equipment that may
cause interference.
The GPS cannot locate
your position.
The radio may be at an unfavorable
position. For example, the signal may
be blocked by tall buildings or
frustrated in the underground areas.
Move to an open and flat area, and
try again.
The camera does not
work.
The radio does not detect the front or
rear camera.
Restart the radio.
The storage space is insufficient.
Clear up the storage space.
The radio fails to detect
the SIM card or SD card.
The SIM card or SD card may be
installed improperly.
Remove and reattach the SIM card
or SD card.
The SIM card or SD card may suffer
from poor contact caused by dirtied
or damaged metal contacts.
Clean the metal contacts of the SIM
card or SD card.
You cannot use the
mobile data.
The SIM card fails to work properly or
is out of service because of unpaid
charges.
Make sure the SIM card works
properly or pay the charges.
The data connection feature is
disabled for the SIM card.
Contact the carrier to enable the
mobile data feature.
The signal may be weak.
Make sure the radio is within the
network coverage.
Both Data and WLAN are turned on,
but the WLAN connection is unstable.
Turn off WLAN.
The battery fails to be
charged.
The battery may be placed into the
charger improperly.
Remove and reinsert the battery.
The power adapter plug may be
inserted into the socket improperly.
Remove and reinsert the plug.