Restart i Pod touch: Press and hold the On/Off Sleep/Wake button until the red slider appears.
You can erase all the memory off of your i Pad Touch without the password by connecting the device to i Tunes, and then placing the device in the Device Firmware Update mode.
i OS 6 is available as a free upgrade for i Phone 4S, i Phone 4, i Phone 3GS, i Pad 3 (the new i Pad), i Pad 2 and 4th generation i Pod touch.
It seems to be available as over the over-the air update currently.
If you have jailbroken and/or unlocked your i Phone and cannot live without your favorite jailbreak apps and tweaks then you should avoid upgrading your i OS device to i OS 6.
Apple had given us sneak peak of i OS 6 at WWDC 2012 Keynote, which includes over 200 new features such as an all-new Maps app, improvements to Siri, new Passbook app, improved notification system, Facebook integration, Panorama camera mode etc.While in DFU mode, you can perform a factory data reset, also known as a master reset, to delete all files stored in the device’s memory and restore original software and settings.You will need i Tunes installed on your computer and the USB data cable that shipped with the i Pod to reset your device. Release the “Power” button while continuing to press the “Home” key.Install an i OS update and your device gets stuck in a continuous restart loop?Putting the device into recovery mode can resolve your problem!
To turn i Pod touch back on, press and hold the Sleep/Wake until the Apple logo appears.