Need a firmware for galaxy tab 7.7?

Hello,
to all of you.
I am new to this fourm, actually I have Samsung Galaxy tab 7.7 that is P6800, actually, I am searching a firmware and pit file for this tablet.The Tablet details are undermentioned :
SAMSUNG GALAXY TAB 7.7
MODEL NO.GT-P6800
ANDROID VERSION : 3.2
BASEBAND VERSION P6800DDKL4
KERNEL VERSION : 2.6.35-P6800DDKL4-CL605129
root@DELL141 #3 SMP PREEMPT Fri Dec 16
Build Number : HTTJ85B P6800DDKL4

Hope to see some reply soon.Thank You.
Regards,
MOBILEGEEK