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 Unlock iPhone on iOS 4.3.3

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PostSubject: Unlock iPhone on iOS 4.3.3    Unlock iPhone on iOS 4.3.3  Icon_minitime9th May 2011, 8:49 pm

So, you updated to iOS 4.3.3? You don't know whether you can unlock your iPhone or not? Can iOS 4.3.3 be jailbroken? We'll answer this questions in this post.

Well, about the unlock, it depends on your device and its baseband. Here's some different methods listed below as Ultrasn0w, Gevey SIM, Rebel Micro SIM and CutYourSim. All are here below :


Unlock iPhone on iOS 4.3.3  Ultrasn0w

UltraSn0w is the easiest and most common way to unlock the iPhone. Once jailbroken, you simply download the app from Cydia and restart your iPhone. It is important to know that this method is limited to your iPhone model and baseband version. The following iPhone models can be unlocked using this method:

- iPhone 4 models with baseband 1.59.00 can use UltraSn0w.

- iPhone 3G/3GS with basebands 4.26.08, 5.11.07, 5.12.01, 5.13.04, and 6.15.00

If you aren’t sure what baseband you’re on, go into your Settings app > General > About > Modem Firmware. If your device falls within the above parameters, UltraSn0w is certainly the best way to unlock your device.

Gevey SIM

Unlock iPhone on iOS 4.3.3  GeveySIM

If anyone remembers TurboSim (discontinued), you’ll recognize this method. It involves a modified SIM card that can force activate your iPhone from the emergency dialer. The following devices can be unlocked using Gevey:

- All iPhone 4 models with basebands up to 04.10.01

Gevey Sim will set you back $70 dollars. Since it has been reported to be illegal, we don’t recommend this particular method.

Rebel Micro SIM

Unlock iPhone on iOS 4.3.3  Rebel

Similar to the Gevey Sim method, it involves a modified SIM card that allows you to force activate your iPhone. Unlike the alternative, it does not require you to repeat the process every time your device restarts or loses service. Rebel Micro Sim has the ability to unlock:

- All iPhone 4 models with basebands up to 04.10.01

While Rebel SIM’s Micro SIM card is a little bit less expensive than the Gevey Sim, it still requires you to activate your iPhone through the emergency dialer. Since that sounds an awful lot like its illegal counterpart, we’d only recommend this as a last resort.


Unlock iPhone on iOS 4.3.3  CutYOURSIM

This method seemed too good to be true. No jailbreak is required for CutYourSim’s remote unlock. Apparently, the company had the ability to add your iPhone’s IMEI to Apple’s whitelist database, similar to phones that are purchased unlocked at full retail. This was a permanent unlock for all iPhone models.

The service lasted less than 2 weeks before it was shut down. However, they have mentioned that they plan on returning to the unlock scene shortly. The jailbreak community has confirmed these guys to be legit, but they’re also expensive. The folks that got their order in before the service shut down paid $179.99 for the permanent unlock.

That about wraps it up for possible ways to unlock your iPhone. UltraSn0w is currently the only legal way to to do it, which is why folks are instructed to preserve their basebands when they update iOS. Hopefully the Dev Team’s software unlock will be updated in the near future to support more recent modem firmwares.
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