A: No. The game forces version matching. If you have 1.03, you will see an error: “Opponent’s game version does not match.” Everyone must update.
Keeping the Fight Fair: Everything About the Tekken Tag Tournament 2 PS3 Update 1.03 tekken+tag+tournament+2+ps3+update+103+verified
Cleaned up overlapping collision data and removed restricted text within the arena. 2. Why "Verified" Matters tekken+tag+tournament+2+ps3+update+103+verified
It unlocked a tag tournament mode that was never supposed to exist. tekken+tag+tournament+2+ps3+update+103+verified