Frequently Asked Questions And Troubleshooting - IRIS 510 User Manual

version.
Through Software Update you can download and install the latest Software for your
device.

4. Frequently Asked Questions and Troubleshooting

Questions Cause and Solution
Press the power on key for over 1 second.
Unable to
Check if the battery is properly connected. Please remove and
turn on
install it again, retry to turn on
phone
Check if battery is appropriately charged
Weak signal. Please Try and move to a location with strong
signal and try connecting to the network again；
Unable to
Please ensure that you are not beyond the network coverage of
connect to
service providers；
network
Please ensure you have a valid SIM card. Please contact your
network provider for further information
Check if the SIM card (insert the SIM card) is installed
correctly
Handset lock password: If the handset lock is activated, you
Display
have to input handset password before using.
information
Input PIN: Inputting PIN while turning on each time is
while
activated, you have to input the PIN code.
turning on
Input PUK code: Having input wrong PIN code for 3 times
straight will lock the SIM card. You need to input the PUK
code provided by your network provider.
Please check if the sound volume is tuned improperly
In an area with poor receiving condition, example: basement,
Poor the signal might be weak. Try reaching a location with
quality of stronger signal reception and call again.
calling While using the mobile phone in the peak period of
communication, like commute time, you may be unable to call
because of line congestion.
The standby duration is relative to the system setting of
network. While the mobile phone is in an area with poor signal
Standby strength and cannot receive the signal, the handset will
duration continuously search for a base station. This will significantly
shortened 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 a new battery.
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