Get 7-Day Free Try Now This is all for how to update i Phone/i Pad/i Pod without i Tunes.
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In version 5 of its i OS mobile operating system, Apple introduced a new feature that allows users of its mobile devices, such as the i Pod Touch, to download and install i OS updates wirelessly.
Previously, i Pod Touch users had to physically connect their device to a computer and use i Tunes to download and install an i OS update; now you can simply update your device over a standard Wi-Fi connection. Select "General" and tap "Software update." Your i Pod Touch will now check whether an i OS update is available for download or not.
In any case, if you are running i OS 5 or later, you can use OTA to update i OS with no attachment to a computer or PC whatsoever.