help please

hello everyone ,, i have terrible problem on my ps3..,,

i'm new on ps3 i just have it recently , & i want to put jailbreak on it , i got tired of put ofw 3.55 on it

i put in flash memory the PUP file but when it start updated it stopped in 71% then it say the data is corrupted (8002f957) !! i got tired

try even in recovery mode ,, pleas help!

my model: cech-2501A
AND i'm in 4.80 newast update!

HELP PLEAS pleaaas i will wait something to make me happy!

pleas!