Locked iPhone?

iUnlocker - it service for official unlock your iPhone from carrier on which locked your device. After your device will be unlocked, you can update iOS without any problem, and you can use any simcard in world.

Order unlock Find out on what carrier locked your device

How i can find IMEI?

In settings

Go to Settings > General > About and look for your device's IMEI

Dial *#06# to get IMEI

Before trying anything else, you can try simply dialing *#06# on your iPhone (or any mobile phone), this should retrieve the IMEI number. Give it a moment and the IMEI will appear on the screen this little number dial trick actually works to retrieve the IMEI on other cell phones too, not just the iPhone.

On back side of iPhone

The iPhone 5/5c/5s/6/6+ and the original iPhone have the IMEI number engraved on the back of the phone, near the bottom.

On SIM card tray

For find imie, you need remove sim card tray from device, and then you can find imei on it. (not on all models you can find imei via sim tray)