Updating Wirelessly Updating Using i Tunes Troubleshooting i Phone Updates Community Q&A Updating your i Phone will allow you to benefit from Apple’s latest i OS enhancements and features, as well as make your device more compatible with the newest apps from i Tunes App Store.You can either update your i Phone wirelessly using over-the-air updates, or install the latest updates using i Tunes.

i Phone owners who rely on the Ultrasn0w unlock still should be cautious with upgrading to retain the unlockable baseband.If you’re the type of person who likes to sell your current i Phone and use the funds to upgrade to the latest and greatest i Phone, then you’ve been there before.Restoring your i Phone to stock, and cleaning it up, is essential if you want to ensure you get top dollar for your device.The i Phone needs to be restored with the custom IPSW used to jailbreak the iphone in the first place.This guide specifically deals with the i Phone 3GS, on a custom firmware of i OS 4.2.1 or 4.3.3 and an updated i Pad Baseband 0f 6.15.00 To restore a jailbroken iphone to the latest i OS 5, follow the guide here.2) It will need to enter DFU mode again, follow the steps and the screen goes black, and then the jailbreak process begins, unix flying bash code and running pineapples.3) i Phone reboots – install ultrasn0w from Cydia to re- jailbreak the device.Again, I highly suggest watching the video in order to see the steps performed in action.Let me know if you have any comments or questions below.Of course, the main purpose of this tutorial is to regain a non-jailbroken, stock 4.3.3 installation on your i Phone, in order to prepare it for sale. Step 3: Open i Tunes, and it should recognize your device in recovery mode.If you’re just interested in regaining a jailbroken installation of i OS 4.3.3, you can always just jailbreak with Red Sn0w to bypass the recovery loop. Hold Alt/Option Click ‘Restore’ in i Tunes, and select the i OS 4.3.3 firmware for your device Step 4: Allow i Tunes to restore.December 20th, 2011 A few days back, Chronic Dev Team member an i OS hacker Pod2g revealed a new untethered jailbreak solution for i OS 5.He tested it on a third generation i Pod Touch running the 5.0 i OS software, but was not sure if it would be able to jailbreak the latest i OS 5.0.1 as well.If you accidentally try and upgrade your i Phone 3GS through i Tunes after having previously jailbroke it, it will get stuck in recovery mode and fail to restore to the official Apple firmware bundles IPSW.You will get a whole bunch of i Tunes errors like 1015.