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I got iPhone4 with iOS 4.3.3 and baseband 4.10.01. Unlocked it with Gevey Ultra SIM and using nicely with Bangladeshi network GP (South Asian region). After getting some idea about jailbreaking, curious to update the OS by keeping baseband unchanged. But mistakenly baseband also changed to 4.12.05. Jailbreak with "iPhone3,1_6.0_10A403_Restore.ipsw" but now unable to use gevey SIM anymore. Now if I want to make the iphone return to baseband 4.10.01 by keeping any OS, how to do? or what best solution is available for me for the current situation? Please reply urgently/ Thanks

asked 25 Mar '13, 04:26

zaied's gravatar image


closed 31 Mar '13, 04:16

justinred's gravatar image

justinred ♦

The question has been closed for being "Solved" by justinred, 31 Mar '13, 04:16

You can't. Its just not possible.


answered 25 Mar '13, 06:38

iAdam1n's gravatar image

iAdam1n ♦

Ooops... Thanks for the reply.

So I can't use my Gevey Ultra SIM anymore to this iPhone 4?

(25 Mar '13, 06:43) zaied zaied's gravatar image


(25 Mar '13, 06:44) iAdam1n ♦ iAdam1n's gravatar image

@zaied, you can buy IMEI unlock from a reputed website(you will find details on the FAQ page) and then you will get network.

(25 Mar '13, 08:11) sandkuma002 sandkuma002's gravatar image

Somewhere in net once I've seen that iPhone4 can be downgrade to iPod OS and then again I can update with correct baseband and iOS as well. Please give advice, if it possible with any link.


answered 31 Mar '13, 04:12

zaied's gravatar image


Not possible on an iphone 4. Nuff said.

(31 Mar '13, 04:16) justinred ♦ justinred's gravatar image

but its on the internet! it must be so!

(31 Mar '13, 04:58) theiphoneguy ♦ theiphoneguy's gravatar image

Please guide me some way to get relief from this situation. Now my iPhone4 is just unable to use with gevey sim.

(31 Mar '13, 05:30) zaied zaied's gravatar image


If you missed it


you might have missed it again


(31 Mar '13, 14:22) theiphoneguy ♦ theiphoneguy's gravatar image

He can get a leprechaun to do it, I saw it on the Internet.

(31 Mar '13, 14:28) spockers ♦♦ spockers's gravatar image

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Asked: 25 Mar '13, 04:26

Seen: 16,301 times

Last updated: 31 Mar '13, 14:28

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