iPhone 4s version 5.1.1 unlocked done by X-sim

iPhone 4s 5.1.1 unlocked done by X-sim

Carrier: KDDI JPN
IMSI USE: 4540492


Procedure:

-power on iPhone
-insert X-sim together with desired simcard
-enter 7 digit IMSI
-and wait for Signal

to OFF sim pin everytime you use other SIM

-setting
-phone
-sim pin
-turn to OFF
-then enter 88888888