Verykool s810 - Manual (Page 14)

9
1.5 Unlock the SIM card
In order to prevent illegal use, SIM card adopts PIN code (personal
identification code) encryption protection.
If this function is selected, PIN code should be inputted correctly
each time when you power on the mobile phone, thus to unlock the
SIM card for normal use. Users can disarm the SIM card protection
but illegal use of the SIM card cannot be prevented.
If the PIN code input is incorrect for three consecutive times, your
SIM card will be locked by the network. The mobile phone will
enquire the PUK code which will be provided by your network
operator. If the PUK code input is wrong for 10 times, the SIM card
will be permanently barred.
Note:
Your network operator will set a standard PIN code (4 to 8
numbers) for you and you should change it to private
password as soon as possible.
Plug and unplug the memory card
 Power off the mobile phone, remove the rear cover and battery.
The memory card slot at the side of SIM card slot. You should push
the memory card slot according to the indication marked in the slot