There is a new tweak in town for iOS, and it’s called Piano Passcode, which as the name suggests allows you to unlock your iPhone only if you play the right tune. If you’re bored of entering the numeric or alphanumeric passcode to unlock your iPhone, then Piano passcode from is for you. The idea behind the tweak from Cydia is simple. The iconic slide to unlock your iPhone is replaced with 7 piano keys. Each key represents a number starting 1 to 7 and plays a unique sound.
