So, if you have not yet flashed, satisfy my curiosity and post the firmware that is the default and then do a nandroid backup before you start .
this is the info for a 4G tab from rogers, just updated to android 3.2:
model number: GT-P7500R
android version: 3.2
baseband version: P7500RUXKK2
kernel version: 2.6.36.3 se.infra@SEP-63 #1
build number: HTJ85B.UXKK2 P7500RUXKK2