yah there is m8, whats your OFW? if its 5.0 or less Use chickHEN for CFW cuz thats what you want right. if your above it then u could always make ur own battery and MMS
make sure your firmwire isnt higher than 3.xx or your fcked. You can the Luminous exploit like some of my friends did. You also need to download the hacked gamesave for it too work