BenQ M555C Battery if, Switch, Necessary Phone on, Card, Send it to your network, Error

Problem		Possible cause					Solution
You	can’t	• Battery has run out.					Recharge	the		battery if
switch	your						necessary.
phone on
SIM	card	• SIM card is out of order.					Send it to your network
error							operator for test.
		• SIM card is not inserted					Insert SIM card correctly.
		properly.
		• SIM	card	contacts		are	Clean	the	SIM		card
		dirty.					contacts using a soft, dry
							cloth.
You	can’t	• SIM card is invalid.					Contact	your		network
connect	to						operator.
		• You	are away from			the	Check the service area with
the network
		service area.					your network operator.
		• Poor signal.					Move to an open space or, if
							you are in a building, move
							closer to a window.
You	can’t	• Your	network		operator		Contact	your		network
send		does	not support			this	operator.
		service.
messages
You	can’t	• You	have	put	certain		Go to the menu: Settings--
answer		kind(s) of		calls	on	the	> Security		settings		-->
		blacklist.					Blacklist-->Blacklist
incoming
							settings, and turn off the
calls.							option.
		• You	have		barred		Go to the menu: Settings--
		incoming calls.					> Security settings -->
							Handset call barring -->
							Bar incoming,			and	turn
							the option off.
		• You	have	asked		the	Go to the menu: Settings--
		operator to		bar certain			> Security settings -->
		types of incoming calls.					Network call barring, and
							select Clear all.

What to do if... 137