Step 2: On the left pane of the i Tunes window, click on your i OS device.
This will reveal some information about it on i Tunes main window.
The manual firmware method is more advanced, making it perhaps best for specific reasons, like to resolve the frustratingly unresponsive “Slide to Upgrade” screen, to fix the Software Update Failed error, due to storage space limitations on the target device, because sometimes it’s just easier due to bandwidth constraints, or because you’re updating multiple of the same devices.
Though the average user is better off going the easy routes of updating i OS with i Tunes or OTA, IPSW can have very practical uses as well.
The i Phone, i Pad and i Pod Touch are devices that are incredibly easy to use and that have also become extremely popular.
For complete specifications, images and reviews please check out the i Phone 4S product page.
What's New in i OS 9.3.5: i OS 9.3.5 provides an important security update for your i Phone or i Pad and is recommended for all users.
Please note that if you use Safari you must disable the auto unzip feature.
If you have decided you’d like to update an i Phone or i Pad to i OS 9, you can install i OS 9.0.1 manually using firmware and i Tunes.
Turn your i Phone on and connect it to your computer with the USB cable. For instructions on how to update i OS firmware OTA click here.
Below you can find the direct links to the i Pod touch Firmware Files for every released firmware version.
The average i Phone, i Pad, or i Pod touch owner should install the i OS 9 software update through the Settings app in i OS, or through i Tunes as usual.
Using a firmware file offers little benefit to the average user and simply complicates an otherwise easy update process.
To use the latest version of IPSW firmware files to update or restore an i OS device, you’ll want to be sure you have the latest version of i Tunes installed as well.