Firmware update iPhone?


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Long did his ablational and had a question.

How do I upgrade the firmware iPohne 3G 3.1.2 to the latest?

Now I have a jailbroken. Googled answers a lot, but not on.

Thank you
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6 Answers

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For 3G jailbreak normal a long time ago. Literally Monday through 4.2.1 on the 3G and did the jailbreak. Unlock did, because the Russian machine. For a locked ultrasn0w is in cydia.
Problems with the unlock iPhone4 only. 3Gs unlock is only for baseband 06.15.00. Well, the jailbreak for iPad/iPhone4 is only bound (or rather unbound and there, but a beta version with bugs)
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Under iOS 4 3G old ugly works.
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My advice, either don't update or wait to normal jailbreaking 4.2.1. But in General no sense to put 3G on 4 OSes, not much. Is that because of the new toys, but do understand that 3G is already too soft for most of them.
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Gail is critical?
Unlock need?
If not then just update today, tomorrow, Gail will be. If American, then we have to wait.
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I have firmware 4.2 on your iPhone 3G, noticeable enough brakes as operatsionka and applications. Better leave it as is if a new firmware for you is not critical.
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In short, the latest 4.2.1 firmware. Jailbreak is possible only if you have a Mac (meaning untethered), and beta flasher is very unstable.
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My advice — put 4.1, it does not differ from 4.2.1 in addition to air services, which I am more than sure you don't need.
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If you update to 4.2.1 unable to say goodbye to Gail in principle.
Before you update to 4.1 make sure to save SHSH BLOB in Cydia!
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Tethered jailbreak I do not see at all.
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