Recently we had to locate a used iPhone for a friend outside of the country. Naturally, all of the iPhones for sales in the USA are usually locked to AT&T for the GSM version. While you can purchase the unlock version contract free, it cost $550. A significant amount above the used version.
So we started our research on how to unlock the iPhone 4. Unfortunately, from what we read, Apple did not make the iPhone easy to unlock. While there are free software unlocks for the 3G and 3GS version. The iPhone 4 are almost unlockable beyond a certain firmware version. However, we did find a way to use hardware to “unlock” the iPhone regardless of firmware or software. The product called Gevey SIM.
The Gevey SIM, is simply a custom SIM card that you put in the phone long with your non-AT&T sim card. While we’re not totally sure of how it works, we know it works. Check out the Youtube for videos of people using it with T-Mobile or oversea carriers. Most likely, the Gevey SIM card simulates the AT&T sim characteristics to make the phone think it is using an AT&T card versus a different carrier.
You can purchase the Gevey SIM relatively inexpensively on eBay or Amazon, though we have heard stories of counterfeit Gevey cards that did not work. If you only want to have the genuine Gevey card, there is only one authorized dealer in the USA – Applenberry.com. They charge $24.99 for the card and another $5 shipping. So while pricey, at least you know you’re getting the real deal.
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