Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing serv

**2H2F** · 12-25-2012, 11:49 PM

Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing service or whatever like what's the highest i can update it to without losing service n the mod/ sim or whatever. :/ please and thanks

**2H2F** · 12-27-2012, 03:37 AM

Bumppp

**2k1** · 12-27-2012, 03:53 AM

Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock

**2H2F** · 12-27-2012, 11:58 AM

Originally Posted by 2k1

Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock

Do you think it's risky and complicated ?

**2H2F** · 01-03-2013, 07:13 PM

Originally Posted by 2k1

Depending on ya shsh blobs ya have will determine what firmware you can go to. And you will have to use snow breeze so ya don't lose ya baseband and unlock

is there a tutorial to do this?

Your favorite Apple, iPhone, iPad, iOS, Jailbreak, and Cydia site.

Thread: Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing serv

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Can I update my tmobile iphone 4 4.2.1 to a newer version like 4.3? without losing service or whatever like what's the highest i can update it to without losing