There are three methods to unlock an iPhone.
First method is factory unlock, which is unlock by your carrier.
Second method is software unlock which is done by hacker teams such as DEV team.
The third method is using turbo sim which is what GEVEY provides. Keep in mind that software unlock and turbo sim are only good for specific version of the iPhone iOS and baseband.
GEVEY Ultra Features:
Provides two different ways to unlock your iPhone 4.
•Recommended for basic users
•Setup time will take less than 3 minutes
•Applenberry staff provides full technical support
•Recommended for EXPERT USERS ONLY
•NO NEED to DIAL 112
•iPhone 4 require jailbreak*
*NOTE: Gamekool staff will not provide technical support for jailbreak of your iPhone 4.
•1x Custom GEVEY Sim Tray
•1x GEVEY Ultra Sim
• 2x MicroSim Sticker Guide
We also provide the GEVEY Ultra user manual for your reference.