The volume may be too low.
The speaker may be blocked or
damaged.
Clean or replace the speaker.
The camera does not
work.
The device may not detect the
front or rear camera.
The storage space may be
insufficient.
Free up the storage space.
The device 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.
The device cannot
locate your position.
The device may be at an improper
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 battery fails to be
charged.
The data cable may be connected
improperly.
Remove and re-connect the data cable.
The power adapter plug may be
inserted improperly into the
socket.
Remove and reinsert the plug.
If the above solutions cannot fix your problems, or you may have some other queries, please contact your local dealer
for more technical support.