Unlock iOS 5 on iPhone 4 Using Gevey SIM

For people who have an iPhone 4 unlocked with Gevey SIM operating iOS 4.x.x and now need to have to update to iOS 5 with Gevey Unlock, this guide is for you. You will have the ability to unlock iPhone four iOS five with Gevey SIM by following the directions beneath which tells you guidelines on ways to preserve iPhone 4 baseband despite the fact that updating to iOS 5, jailbreak soon after which unlock with Gevey SIM.

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The way to Unlock iOS 5 on iPhone four Working with Gevey SIM ? Desire to unlock iPhone four on iOS five with Gevey SIM s[[posterous-content:pid___0]]o for those who gonna update iPhone four to iOS five firmware you are going to kill your unlock and your Gevey SIM. To unlock your iPhone four on iOS five with Gevey SIM you should update your iPhone four to pre-jailbroken custom firmware to preserve the unlockable baseband that are compatible with Gevey SIM.

What specifically is Gevey SIM Interposer?

Gevey Sim is an unlock resolution for iPhone 4 with baseband 01.59.00, 02.ten.04, 03.ten.01, and 04.ten.01 on iOS 4.x.x, and iOS 5.0. As opposed to UltraSn0w, Gevey SIM is generally a hardware remedy, a SIM interposer sits amongst the SIM card plus the Modem to carry out a classical MITM. Gevey SIM interposer will need to usually stay in-between SIM card in addition to the iPhone modem to ensure that you'll be able to stay unlocked.

If you’ve an UltraSn0w unlockable baseband 01.59.00, you might be advised to navigate to this guide:

Approaches to: Unlock iPhone 4 iOS 5 with UltraSn0w

Taking into consideration that Gevey SIM unlock depends upon preserved iOS 4.x.x baseband, you can would like to use RedSn0w’s “Custom IPSW” feature

Unlock iPhone four on iOS five with Gevey SIM is achievable . Even though we have mentioned that unlock iPhone 4 on iOS 5 just isn’t achievable operating with Common Gevey SIM in this post .Our pals on limera1n.cc have tipped us by the resolution to unlock iPhone 4 on iOS 5 working with the Gevey SIM .Let’s see what we have to do .

Unlock iPhone 4 iOS 5 with Gevey SIM

Step 1 - Preserve IPhone 4 Baseband

If your iPhone 4 is operating iOS 4.x.x and has any of these basebands: 01.59.00 / 02.ten.00 / 03.ten.1 / 04.ten.1, be specific you update to iOS 5 applying a custom firmware with preserved baseband so as to unlock with Gevey SIM.

Follow this guide to preserve iPhone 4 baseband when updating to iOS 5:

Step 2-Jailbreak IOS five

Now you are going to want to jailbreak you iPhone 5 operating iOS 5 with preserved baseband. To jailbreak iOS 5, follow this guide:

Step 3- Unlock With Gevey SIM

Suitable just after the jailbreak, your iPhone 4 should be activated. Setup the iPhone four. Now:

Go to: Settings > Prevalent > Network and Turn OFF the 3G

Turn Off the iPhone

Eject and reinsert the SIM card furthermore to Gevey SIM and turn the iPhone ON

When turned ON, The iPhone will start off Searching… for the network

Quickly just after On the lookout for a couple of seconds, following popup need to appear, hit the Accept button

Now wait for 15 seconds;

Then dial 112 and hang up following two seconds. The call does not ought to connect;

Go to Setting app and Turn the Airplane Mode ON.

Following quite a few seconds, “No SIM Card Installed” message ought to appear, hit the OK button;

Now turn OFF the Airplane mode; two popups ought to appear; the later 1 with “Invalid SIM Card” message. Don't do a thing and wait till the message disappears;

As soon as the message disappears, iPhone really should definitely show the signal bars inside the top-left