Motorola A1200 - Manual (Page 26)

24 essentials
turn it on & off
Caution: On power up, the phone may
prompt you to enter your SIM card PIN code
to unlock the SIM card. If you enter an
incorrect PIN code three times in a row, your
SIM card is disabled and your display shows
SIM Blocked. Contact your service provider.
1 Slide the memory compartment door up
to unlock it, then lift the door open.
2 Insert the memory card into the tray.
3 Close the memory compartment door,
then slide the door down to lock it shut.