Lava Mobiles Iris 504Q - Manual (Page 32)

Lava
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Frequently Asked Questions and Troubleshooting
Frequently Asked
Questions Cause and Solution
Unable to turn on
phone Press the power on key for over 1 second.
Check if the battery is properly connected. Please remove
and install it again, retry to turn on ；
Check if battery is appropriately charged
Unable to connect
to a network Weak signal. PleaseTry 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 (insert the SIM card) is installed
correctly
Handset lock password. If the handset lock is activated,
you have to input handset password before using.
Input PIN. Inputting PIN while turning on each time is
activated, you have to input the PIN code.
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.