hi everyone somone has to no what im goin on about help please?

hi everyone im writing this everywhere and no1 knows what to do or anything and only 1 person commented!! can somone please help iv got a ps3 v3.41/4.10 and 4.11
1.
can anyone explain how can i transfer data from my 4.11 to my 3.41 so then i can tranfers back from 3.41 to 4.11
2.
when i try tranfering data from 4.11 to 3.41 it says on the 3.41 ps3 that i need to update to the latest lol and obviously i dont wnna do that
3.
all i need to do threw tranfers to 3.41 is transfer the mw2 thing so it shows up in comgenies on the 3.41 ps3 which atm it dont show up and im confused
4.
iv been told to download the mw2 pkg. and install it threw install package files. iv done that and it comes up an error everytime so confuse badly lol no1 has a clue what to do so can somone please help me.
5.i loaded the mw2 on the 3.41 and got the bless00683 but it only says inside USRDIR THEN ICON0. PNG AND PARAMA. SFO nothing else swear i remember there being more stuff? and in the USRDIR theres nothing inside.
6. iv looked everywhere how to do this and theres nothing on it. and its anoyyion lol. well i looked how to data transfer and theres nothing on that aswel even wen i turn off the internet it says i need to system update when i data transfer can somone help or some links please