While this may sound intimidating, rest assured that as long as you back up your device before doing the restore, things should go much more smoothly than they did when trying an update.Updating to i OS 4 on any i Phone 3G or 3GS should be easy-as-pie, and it is. First, connect your i Phone to your desktop via your sync cable.That’s pretty much it, you’re good to go on i OS 4!

Here is guide to update i Pod Touch 2G/3G to 4.0 OS for free also Sn0breeze 1.6 beta to jailbreak i Pod Touch 4.0 is under development and should be available any time soon.

If you have mistakenly upgraded your i Phone 3G/3GS to 4.0 OS then follow our guide to downgrade i Phone 4.0 to 3.1.2 or 3.1.3.

Jailbreak i Phone 3G/3GS 3.1.3 with Spirit or Redsn0w 0.9.4 or Pwnagetool 3.1.5, You can unlock i Phone OS 3.1.3 with Ultrasn0w 0.92. Sandip Dedhia is the founder of Blogsdna.com, he loves to write on technology, gadgets & web services.

At Blogsdna you can read his Windows tutorials, free and useful software related articles.

The truth is that as long as you back up your device first, a restore isn't very much different from an update, other than the fact that it will take considerably longer to complete.

This is because rather than just attempting to update only the changed parts of the i OS software (as an update would do), i Tunes completely erases the device, installing a 'clean' operating system, and then it restores your various settings and syncs your apps and music back to your i Pod or i Phone.

Once finished, your device will be in nearly the same state as it was prior to the restore.

If you are wanting to to the new software, then why am I talking about restoring?

To avoid this, it was suggested one restore their i Phone 3G first. You should be greeted with a notice that i OS 4 is available. Before you install you’re going to want to ‘restore’ your device.

All this does is wipe your device clean, so that i OS 4 can be installed on a spick-and-span i Phone 3G. Just make sure your backup has run before you initiate the restore!

As long as you’ve backed up your device, a restore and update will do nothing more than wipe your device clean, install the new OS, and then slap your backup right back down on your device.