Impossible to call: this problem may be caused by law
connection signal, network overloading, incorrect input of
contact number, activated function of calling prohibition. Try
to change location, check level of connection signal, wipe
phone to factory reset. Contact in service center.
Low receiver volume: during conversation, press button «up»
to increase volume. Set volume during conversation in
profiles. Check signal of cellular connection.
Passwords
Requests to input following passwords may occur during
activating and phone use :
Phone password: request occurs during activating. This is the
password of general locking.
PIN-code: if Pin-code checking is active, it is required to input
code which is given with SIM-card.
PUK code, PIN2 code - also given with SIM card.
Be careful installing blocking passwords: if they are lost, to
renew phone functionality is possible only in service center.
