Karbonn K9
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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 your mobile in area with no
signal reception to save battery. Need replacing the battery. Please change a new
battery.
