Check this post to find out what time it will be released in your time zone.i OS 9 includes new features such as Proactive Assistant, transit directions in Maps, enhanced multitasking features for the i Pad, and lots more.If the i OS 9 update is available it will automatically download and update your device to i OS 9.Step 4: You will get a popup message informing you the new update is available. If it says i OS 9 is the latest version then download the appropriate firmware file using download links provided in step 5.Wan to update i Phone 4 or i Phone 3GS to update latest i OS without updating i Phone baseband to unlock it later using Ultra Sn0w or Gevey SIM? These are the steps to update i Phone 4 or i Phone 3GS to latest i OS firmware without updating the baseband.Red Sn0w brings the Restore feature to update i Phone i OS without updating the baseband.
If you need help, follow our step-by-step guide by clicking on the appropriate link below.
Also checkout our guide on how to put i Phone in DFU mode.
Once you’ve successfully entered your i Phone in DFU mode, Red Sn0w will exploit it using Limera1n.
Baseband preservation is applicable to i Phone 4 and i Phone 3GS. Simply follow the Red Sn0w steps below to update your i Phone 4 and i Phone 3GS firmware without updating the baseband for unlocking.
button to prevent your i Phone baseband from updating.
Note: Jailbreakers should install the update using i Tunes, as OTA updates are known to give problems while jailbreaking. Wait for the download to complete and then tap Install to apply the update.