21
Frequently Asked Questions
Frequently
Asked
Questions
Cause and Solution
Fail to turn
on
Press the power key for over 1 second.
Check if the battery is properly connected. Please remove
and install it again and retry;
Check if battery is appropriately charged.
Fail to
connect
network
In case of Weak signal, please try and move to a location with
strong signal and try connecting to the network again;
Please ensure that you are not beyond the network coverage
of service providers;
Please ensure you have a valid SIM card. Please contact
your network provider for further information.
Display
information
while
turning on
Check if the SIM card is installed correctly
Handset lock password: If the handset lock is activated, you
have to input handset password.
Input PIN:
if Inputting PIN while turning the phone on each
time is activated, you have to input the PIN code.
Input PUK code:
When you’ve input wrong PIN code for 3
times will lock the SIM card. You need to input the PUK code
provided by your network provider.
Poor
quality of
calling
Please check if the sound volume is tuned properly
In an area with poor network conditions, example: basement,
the signal might be weak. Try searching a location with
stronger signal reception and call again.
While using the mobile phone in the peak period of
communication, like commute time, you may not be able to
call because of line congestion.
Standby
duration
shortened
The standby duration is relative to the network systems.
While the mobile phone is in an area with poor signal strength
and cannot receive the signal, the handset will continuously
search for a base station. This will significantly reduce battery
charge. It is recommended that you turn off your mobile in
area with no signal reception to save battery.
Need replacing the battery
: Please change to a new battery
as battery performance may decrease after prolonged usage.
SIM Card
Dirt on the metal surface of an SIM card
: Use clean cloth to
Summary of Contents for Iris 360 Music
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