How To Unlock Sony:
Notice: Ericsson, Sony, and Sony Ericsson are three different instructions.
Model: All Sony
1. Insert an unauthorized Sim Card and turn ON your phone
2. Enter *#7465625*12*Unlock Code#
Model: All SonyEricsson
1. Turn ON your phone without Sim Card
2. Press left arrow ONE TIME
3. Press * button TWO TIME
4. Press left arrow ONE TIME
5. The message "Personalize with MNC2" will appear
6. Enter Unlock Code. It may be necessary to PRESS ENTER or OK
NOTICE: If your phone have a "JOGDIAL" (Ex: SonyEricsson K700i) you must press "down arrow" instead of "left arrow" for step 2 & 3. We mean by "Down Arrow" to direct the Jogdial down.