Upgrade Iphone 4 from version 4.0 to 4.3.3. Tutorial?

Yervand

New member
Nov 4, 2011
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I have an iPhone 4 jailbroken and unlocked. Currently using with T-Mobile sim-card. I am having a couple of issues with it + I want the latest untethered/unlockable jailbreak that I could get. Which happens to be 4.3.3

My current firmware is 01.59.00 and it is version: 4.0

How do I upgrade it to 4.3.3? If you could link me to a tutorial it would be awesome, because I can't seem to find one.

I already found a tutorial on how to jailbreak and unlock it for T-Mobile after it is done.

Thanks.
Greatly Appreciated.
 
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