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HOW TO: Unlock iPhone 4 At&t

N

nusret01

macrumors member
Original poster
Oct 14, 2009
32
0
So, I bought this iPhone 4 today, and like always, I was searching google and I am unable to find a method to unlock my iPhone 4.

Jailbreak would be cool, but definitely not a must.

I am running an iPhone 4 with the following specs:

iPhone 4 - At&t 10.0
Version 4.3.5 (8L1)
Firmware 4.10.01

I come to the gods of the iPhones and I would hopefully like to find a way to unlock my iPhone 4 on the T-Mobile network.

Thanks :D
 
nusret01 said:
So, I bought this iPhone 4 today, and like always, I was searching google and I am unable to find a method to unlock my iPhone 4.

Jailbreak would be cool, but definitely not a must.

I am running an iPhone 4 with the following specs:

iPhone 4 - At&t 10.0
Version 4.3.5 (8L1)
Firmware 4.10.01

I come to the gods of the iPhones and I would hopefully like to find a way to unlock my iPhone 4 on the T-Mobile network.

Thanks :D
Click to expand...

I'm just gonna assume that you bought an AT&T locked version with subsidized price...in that case, there's currently no unlock for iPhone 4 with new basebands. (Unless I missed the memo)
 
I bought the iPhone from my friend for $10.00, lol.

So, there is no way to downgrade my 4.3.5 to like 4.3.3 ? Because I saw that the Gevey Sim works for Firmware 4.10.01?

I did preserve the BB of my iPad 2... that wouldn't be able to work on the iPhone will it? lol
 
nusret01 said:
I bought the iPhone from my friend for $10.00, lol.

So, there is no way to downgrade my 4.3.5 to like 4.3.3 ? Because I saw that the Gevey Sim works for Firmware 4.10.01?

I did preserve the BB of my iPad 2... that wouldn't be able to work on the iPhone will it? lol
Click to expand...

Sell the phone for $300+ on craigslist before the iPhone 5 comes out and then put that money towards buying an unlocked iPhone 5 straight from Apple.
 
honestly, if you're asking us how to unlock a phone then taking your iPads baseband is probably not a good idea for you.

just get the gevey sim. works fine.
 
acfusion29 said:
honestly, if you're asking us how to unlock a phone then taking your iPads baseband is probably not a good idea for you.

just get the gevey sim. works fine.
Click to expand...

I would use the Gevey Sim, but it doesn't work for my iOS version. My baseband works for the Gevey, but it doesn't support my version (4.3.5)
 
nusret01 said:
I would use the Gevey Sim, but it doesn't work for my iOS version. My baseband works for the Gevey, but it doesn't support my version (4.3.5)
Click to expand...

Download Tinyumbrella and see if your friend had older SHSHs saved.
 
Thanks for the quick replies.

Are SHSH's different for each phone? Sorry I don't know much about iPhones.

I know I saved my SH Blobs or w/e they're called for my iPad2 - so im guessing its different for each phone?
 
nusret01 said:
Thanks for the quick replies.

Are SHSH's different for each phone? Sorry I don't know much about iPhones.

I know I saved my SH Blobs or w/e they're called for my iPad2 - so im guessing its different for each phone?
Click to expand...

Yes, SHSH blobs are unique to each device.
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8L1 Safari/6533.18.5)

nusret01 said:
Thanks for the quick replies.

Are SHSH's different for each phone? Sorry I don't know much about iPhones.

I know I saved my SH Blobs or w/e they're called for my iPad2 - so im guessing its different for each phone?
Click to expand...

Your iPhone is compatible with the gevey sim. All basebands and OS4.x versions are compatible. Just get the gevey sim it will work.
 
macingman said:
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8L1 Safari/6533.18.5)



Your iPhone is compatible with the gevey sim. All basebands and OS4.x versions are compatible. Just get the gevey sim it will work.
Click to expand...


Omg! Great news!! I love you! I will definitely place an order now.

Will post an update once I try the card.
 
Grevy SIM is not a good legitimate solution. Every time you re-spring or reboot it has to dial your local emergency number which at least in America can get you fined.
 
I believe they have a untethered solution for gevey now (you don't have to dial the emergency number each time you shut the device off) but I think you need to jb for it. Not completely sure and yes gevey works all the way til 4.3.5 but don't upgrade to 5.0 because they patched the exploit in the betas already
 
My Card is on the way..

This is what I got in a response to my email to applenberry.

"The Gevey will be able to unlock version 4.3.5, but only through the manual process. The manual process consists of dialing 112, does not require a jailbreak on the phone and you will have to reprogram whenever the phone is powered off, but it takes about 2 minutes to reprogram. It is the automatic method that is limited to 4.3.3 because it requires a jailbreak on the phone."

So, with that being said... i'll have to dial 112? What is the reason behind that?

I got confused so I checked their website and it says this:

"Is it illegal to dial 112 to unlock my iPhone?
IT IS NOT ILLEGAL to dial 112 because you’re supposed to hang up before the call connects."

... Any one use the Gevey and has to dial 112 that can explain why I have to do that... and what is 112? Where does it call?
 
Countries have specific emergency numbers assigned to them. Such numbers include 999, 08, etc. and of course 911. Basically, for gsm phones '112' forwards to '911', at least in the US. I've used the gevey sims in the past, it takes less than one minute in order to reboot/unlock the phone. How often do you turn your phone off anyway? I wouldn't worry about dialing 112 because you hang up within 2 seconds, the call doesn't connect.
 
Thanks for the quick reply mate. I never turn my phone off ... and never let it die either.

So really, all I have to do is dial 112 and then disconnect right away?
 
Dial 112, wait 1...2 seconds and hang up. Then of course you just continue with the procedure, you'll get it quick. I'm not exactly tech-savvy but I can do it.

For those still on OS 4.3.3 and under, there's no need to dial the 112 if you're jailbroken with the Furiousmod.
 
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