Sim Unlocker Lite " Easily sim unlock your smartphone/tablet so you can use any other network operator.
No need for unlock code on most devices: as simple as one button click and you can change your carrier sim card !
Sim card Unlock is the only app that can instantly and successfully unlock new devices. Even with recent ICS or JB roms update.

Sim Unlocker Lite Features:

✔ Gives detailed information about current locks status (locked unlocked or "partially locked")
✔ Persists even after reset / flash / wipe / unroot
✔ Automatic and manual efs backup (should guarantee a safe use) restore it on demand
✔ Supports more Galaxy devices soon
✔ Supports devices previously unlocked with "voodoo unlock" "Sim Unlocker Lite " or "galaxy's unlock"
✔ Unsimlock / unbrand your phone
✔ Detects errors like lost imei / serial in nv_data caused by third party apps


Easy to use:
• Be sure your rom is rooted (tutorial links included for major devices)(you can unroot once unlocked)
• Click on "unlock" button
• Reboot


Notes:
• If other carriers' sim cards are still refused after a successfull unlock your phone might be "hardlocked" by your carrier.