Please temporarily turn off
your mobile phone, as you
are located in an area with
poor reception.
Please move to an area with
a stronger signal or
temporarily turn off your
mobile phone.
Standby time is
related to the
network system
Replace the batteries
Short battery life
cycle
When you cannot
get a signal, the
phone will continue
to transmit in order
to find a base
station, thereby
consuming large
amounts of power
which will cause
the standby time
to decrease.
Shortening
of the
standby
time
Look at the remaining
electricity or recharge status
to confirm. Charge battery.
The battery is
empty.
Unable to
turn on the
phone
22
Contact your network
provider.
SIM card is
damaged.
Confirm SIM card is
properly inserted.
Use a clean, dry cloth to
wipe off the metal contact
point of the SIM card.
SIM card is not
properly inserted.
There is visible dirt
on the metal
surface of the
SIM card.
SIM card
malfunction
DIAMOND V3