User with saved SHSH blobs (best-case):
Downgrading an iPod Touch 5 to iOS 6 is technically feasible only under rare conditions (previously saved SHSH blobs or a specific exploit). For most users, Apple’s signing policy and hardware/firmware protections make the downgrade impossible or impractical; safer alternatives include emulation, finding a device already on iOS 6, or adapting modern software to approximate the older experience. downgrade ipod touch 5 to ios 6