Jailbreak news/How to jailbreak your device

Pretty simple just go to settings-general-about and find your firmware

iPod touch
2nd Gen 4.2.1 greenposi0n  models: 8g 16g 32g 64g no camera
3rd Gen 4.2.1 greenposi0n   models: only 32g and 64g no camera
1gen iPod touch not supported.
4th gen 4.3.2   Redsnow  0.9.6rc14


3GS 4.2.1 greenposi0n
IPhone 4.3.2 Redsn0w 0.9.6rc14

Dfu mode: similar to recovery mode, only the connect to iTunes logo does not popup