Basically that means you will need at least 3GB of space available on your i Pad, i Phone, or i Pod touch before it will install.
You’ll know this is an issue because the OTA update will tell you This is by far the most frequently encountered error for users attempting to install the i OS 7 update on their devices right now, and the easiest solutions to clear up a lot of storage space quickly are the following: You can also install the update through i Tunes, though you will need to get i Tunes 11.1 first so that you can sync the device afterwards.
Yes, Apple is still signing i OS 6.1.3 for the i Pod Touch 4th Gen.
So you should be able to upgrade to it through i Tunes when it prompts you to update it.
In my case I solved the problem using Sharepod to get content off the i Pod before updating.
Apple will be releasing i OS 7 shortly and you likely are itching to move beyond i OS 6 and get your hands on this latest i OS release.
Do note that installing the i OS 7 update through OTA requires over 3.1GB of space initially, despite the download being much smaller than that.
That is so the update can unpack and install on the device – it does not take up 3.1GB of space when completed.
There are two ways to upgrade your i OS device — over-the-air via your device’s wireless connection or by connecting your i OS device to your computer and letting i Tunes do most of the work.This barely scratches the surface: read our full walkthrough of everything new in i OS 10.Updating should be a fairly straightforward process, although it’s always good to check you have a backup (either using i Cloud Backup or i Tunes Backup on the Mac/PC) before doing any major system upgrades.Messages has rich support for stickers and 3x bigger emoji as well as animated screen and bubble effects.There is even an App Store inside the Messages app. There’s a whole new Home app for managing your Home Kit smart home accessories.