So i have a question about the dex system, so in 3.55 DEX i can play backups with the Rogero cfw with peek and poke (btw can i install any homebrew like MM or nintendo emulator ??) and if i want to play the latest like when fifa 13 comes out, i put the 4.20 Fw DEX, so i want to know if i can downgrade from 4.20 to 3.55 or upgrade to 4.20 from 3.55 easily without losing any gamesaves or anything like that ?? I saw all topics about Dex and i couldn't find this..
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