Updating iphone firmware 2 1

IMP* UPDATE 5: i Phone 4.0 Beta has been released by Apple, for details visit here. When your i OS crashes or the i Phone behaves abnormally after updating to the latest i OS (for example i OS 11.3 which was just released), you might need to get the i Phone firmware restored using i Tunes or even downgrade the i OS by i Phone firmware restore. But the question pops up where to download the i Phone firmware files from and how to use them to restore or update your device? With this article we are going to explain you where to download the i Phone firmware from and the most convenient methods to update or restore your i Phone using an i PSW file.This tool basically is an effective solution to fix numerous i OS issues such as a device that is stuck on black or white screen, Apple logo or recovery mode and helps you in repairing the i Phone without losing significant data via the 'Standard Mode'.It has an another feature that can help you perform i Phone software restore or update by using the 'Standard Mode' (no data loss) or 'Advanced Mode' (data loss), and the steps are similar for both.Last month, the i Phone hacking community had released a tool called p Hase Ban Downgrader to help i Phone 3G users who had accidentally upgraded to i Phone OS 2.2.1 without preserving their baseband to downgrade baseband from to .

if you want to update your i Phone 3G to firmware 2.2.1 but at the same time preserve its baseband so that you can also unlock it then you should follow our step-by-step guide to use Dev Team's Pwnage Tool.

UPDATE 4: Sn0wbreeze v1.5 has been released, it brings support for i Pod Touch 2G (Old Models).

Step-wise instructions are posted here to jailbreak i Phone/i Pod Touch.

The Dev Team had warned i Phone 3G users against updating to firmware 2.2.1 as it also included a baseband update which breaks the "injection hole" that they had used in their application yellowsn0w to modify the firmware which had helped to successfully unlock i Phone 3G.

So if you want to update your i Phone 3G to firmware 2.2.1 but at the same time preserve its baseband so that you can also unlock it then you should follow our step-by-step guide to use Dev Team's Pwnage Tool.

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