Gevey Sim Unlock iOS 5 on iPhone 4, 3GS [Guide]

Unlocking is the process through which users remove all carrier restrictions from their iDevices with Gevey Sim or Ultrasnow tool. Some people might confuse the term of unlock with jailbreak. Actually, they are two different things and they are related to different aspects.

gevey sim, unlock iphone with gevey sim, gevey sim unlockFirst of all, I want to tell you certain things related to the unlocking process and the Gevey Sim unlock. The unlock process can have two solutions. The first one is based on the software part and it can be performed using the UltraSnow software. The second one is related a certain gadget that interferes with the hardware part of the device. The Gevey Sim unlock is an unlock solution for iPhone 4 or iPhone 3GS running on iOS 4.x.x or iOS 5.0. Compared to the rest of unlock solutions, the Gevey Sim unlock offers a hardware solution. This means that you have to place the interposer device between the Sim card and your device, only as long as you preserve the baseband. When you want to upgrade your device to iOS 5, then you need to start the unlock process once again. If you already have an unlocked device such as the iPhone 3GS or iPhone 4 running on iOS 4 and you used the Gevey Sim unlock, then you most definitely want to upgrade your device to iOS 5. At this moment, you will have to repeat the unlock process.

So, the first step in unlocking your device is to preserve your former baseband. The step-by-step guide will show you what you need to do in order to perform a Gevey Sim Unlock iOS 5 on your iPhone 4 or iPhone 3GS.

 

Step 1. When you start upgrading your device, you need to select the custom firmware in order to preserve the iOS 4 baseband.

Step 2. After this, you can start the jailbreak process while you maintain your baseband. You have multiple jailbreak tools available for download.

Step 3. When you finished the jailbreak process, then you need to turn off the 3G connection and shut down your device. Now, eject the Sim card and place the Gevey Sim interposer between your Sim card and your device.

-Turn on your device.

-Wait up to 15 seconds while your device searches a network.

-Initiate a phone call to 112 and hang up after 2 seconds.

– Turn on the Airplane mode. You will see a message suggesting the there is no Sim card Installed.

-Next, turn off the Airplane mode. Now, you will see another message suggesting a Sim Failure. This is only temporary because after a couple of seconds, you will be able to notice signal bars in the top left. That is it.

This is what you need to do if you want to start unlocking your iOS 5 device using the Gevey Sim unlock. If the process fails, then you need to reboot your device and start all over again.

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