Como Cambiarles Las Bandas Aun Iphone

FACTS about Gevey

iPhone 4. SIM UNLOCK will work for iOS version 4.1, 4.2, 4.2.1, 4.3.1, 4.3.2, 4.3.3, 4.3.4 4.3.5with baseband 1.59, 2.10, 3.10.1 + Confirmed: Unlock SIM Can Also Unlock iPhone 4On iOS 4.3 4.3.1,4.3.2, 4.3.3, 4.3.4 4.3.5 Baseband 04.10.01
What is Sim Unlock?
Gevey Sim is an unlock solution for iPhone 4 iOS 4.0, 4.1, 4.2, 4.2.1, 4.3.3, 4.3.4 4.3.5with baseband 01.59, 2.10,3.10.
Do I need to Jailbreak my iPhone?
No Jailbreak is required.
Note: if your iPhone is jailbroken and you are using Sim Unlock, do not do a reset to erase all data and settings.
Will I need tocut my sim card?
Yes, you have to cut your simcard to fit the provided sim tray. We can do this for you OR show you how
Is this unlock stable?
Yes, it is very stable.
How easy is it to install andsetup Sim Unlock?
Sim Unlock setup and installation is very simple. Instruction is included with every sim purchases.
Do I need leave the Sim Unlock in my iPhone4?
Yes, if you want to remain unlockand be able to use your iPhone4 with any carrier.
If you turn off the phone, do I have to redo the procedure?
Yes
Will Unlock sim interfere with my iOS or application setting?
No
Does 3G andGPRS work?
Yes, it can if you have a data plan with your carrier. Not all carrier will work with 3G services, but all carrier will work with GPRS or EDGE.


UNLOCK PROCEDURE

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STEP 1: PutGevey SIM interposer in Gevey SIM tray.
STEP 2: Put unofficial iPhone SIM on top of Gevey SIM interposer.
STEP 3: Turn OFF your iPhone by pressing the power button on the top.
STEP 4: Put Gevey SIMtray along with Gevey interposer and unofficial SIM into your iPhone.
STEP 5: Turn ON your iPhone.
STEP 6: After turning your iPhone ON, you will see SIM welcome message. Tap on the Accept button tocontinue. At this stage, you will find 1 signal bar in the status bar of your iPhone.
STEP 7: As soon as you will tap on the accept button, you will see Searching... and then No Servicemessage on...