This presentation will show you how to upgrade your android OS version in your smart phone, Table or any other android devices. If you are really interested in upgrading your device then please take a backup of your phone first then proceed. So please watch the presentation carefully and employ in your android device. You also first check the version of your android os. If the version is not latest then only you can proceed. The steps may be differing a little in different android devices, so please employee your common sense to understand the subtle difference.