User's Manual

KARBONN K115 USER MANUAL
38
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.
Poor quality of calling
Please check if the sound volume is tuned improperly
In an area with poor receiving condition, example: basement,
the signal might be weak. Try reaching 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 be unable to call
because of line congestion.
Standby duration shortened
The standby duration is relative to the system setting of
network. While the mobile phone is in an area with poor signal
strength and can not 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