GEVEY SIM is all you need to unlock iPhone 4S / iPhone 5S / iPhone 6 / iPhone 6 Plus. For iPhone 6S / iPhone 6S Plus / iPhone SE / iPhone 7 / iPhone 7 Plus you need R-Sim
Here is one iPhone link.

What is GEVEY?

Gevey is a sim adapter that allows the decoding of your phone.

How GEVEY works?

The Gevey’s principle of functioning for iPhone 4S and the iPhone5 / iPhone 5C / iPhone 5S is the same, namely it “fools” your phone as it would be in the network in which it is encoded and locked.

GEVEY is compatible with all networks in U.S. and international?

Yes, Gevey is compatible with all GSM and CDMA both in U.S. and abroad.

My phone is not activated and I don’t have the operator SIM card, what should I do?

Nothing simpler, gevey adapters unlike other adapters do and the phone activation because it should not be made any editing operation of IMSI codes, is a simple PLUG & PLAY.

Jailbreak is required to use GEVEY?

No, there is no need to jailbrake your phone to unlock it.

Unlock with GEVEY is stable?

Certainly, as long as you do not “play” with the SIM cards in the sense that you change the SIM every day, is very stable.

GEVEY adapter should be kept in phone?

Of course.

If you turn off and restart the phone should be done another operation?

As I said adapter is Plug & Play and is inserted into the phone without any additional setup. So if you turn off and restart the phone must not be carried any other operation than to wait to get the signal.

There are incompatibilities between GEVEY adapter and iOS system or installed applications?

No.

GEVEY adapter allows the use of 3G or EDGE?

Obviously and yes of course. The only thing you have to do is enter your operator related internet settings in Settings> General> Network> Cellular Data Network.

GEVEY SIM and R-SIM is the cheapest and reliable solution for Unlock iPhone 6S / iPhone 6S Plus / iPhone SE / iPhone 7 / iPhone 7 Plus / iPhone 4S / iPhone 5S / iPhone 6 / iPhone 6 Plus.
GEVEY SIM is NO CUT model and does not require intervention and changes to the SIM card. To perform unlocking with Gevey there is no need to call the 112 (911 in U.S.) emergency number.
GEVEY does not infringe patents or copyrights so you can enjoy your iphone warranty. GEVEY is designed for improved signal strength with powerful voice, consistency and good data connection.