If your iPhone, iPad, or iPod Touch is running iOS 5 or higher, you can now receive software updates over the air. What this means, to you, is that you'll no longer have to tether to a computer to download and install the update. Instead, you'll be alerted on your device of an available update. You can then can download and install it while on the go. Here's how it works.
To check for an available update, to go Settings > General > Software Update.
If an update is available, you'll see a screen similar to … Read more