You no need to kill the Sim or no more hard activities ...You all no need to do is unlock your
Motorola Razr V3,You can unlock the mobile Phone easily using the unlock code.To get the Unlock code for Motorola Razr V3 model i suggest you to visit the site
Simpleunlocking.com get the unlock code from the site and unlock it from T-Mobile,after that you can use with any GSM Network Sim card like AT&T USA .
Motorola RAZR V3 Unlocking Instructions
Warning : Do not enter any wrong unlock codes on your Motorola RAZR V3 mobile phones. If you enter over a certain amount of wrong unlock codes on your Motorola RAZR V3 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch ON your Motorola RAZR V3 with a NOT ACCEPTED SIM Card,
2 - Phone will display "Enter Special Code",
3 - You can now enter the Unlock Code.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Motorola RAZR V3 is locked to.
WARNING: If one of theses messages appear :
- "Contact Service Provider"
- "Tampert Alter"
- "Wait before enter special Code"
- "Contact Service'
It's because you or somebody already entered too many wrong codes, you just have to leave the Motorola RAZR V3 ON with the errors message and after 40 minutes to 2 hours the message "Enter Code Special" will appear again