How to upgrade your iPhone, iPad and iPOD Touch to iOS 6

Those of us that can't afford the new iPhone 5 yet can make do with an upgrade to the new iOS 6. iOS 6 is compatible with most of the previous model of some Apple devices (iPhone, iPad and iPod Touch). iOS 6 packs a few major new features that require heavy processing power and as a result, Apple has limited the operating system that can be upgraded to the following models:

iPhone 3Gs and all later model of iPhone
iPad 2 and The New iPad
iPod Touch - the 4th and 5th Generation.

UPGRADE YOUR iDEVICES.
There are two way you can upgrade your iPhone, iPod or iPad. You either upgrade using Wi-Fi Connection (Over the air) or you upgrade via iTunes from you computer.
*It is advisable to backup your phone before carrying out this upgrade.

1. Upgrade Via Wi-Fi Connection (Over the air)

•  Go To Settings > General 
•  Tap Software Update
•  You should see iOS 6 listed, with a Download and Install button below it. Tap the button (See below)