[Youssef Hossam]

i can not upgrade to blackberry os 6 from my pearl i used blackberry etislat misr os6 got it from blackberry site and when i come to load it just shows me the 3rd party apps i installed :S , btw the device isnt unlocked yet plz help me its on at&t os 5

[Fubaz]

are you deleting the vendor files?

go back and check
read the upgrade instruction in the BlackBerry Help section

[masterscarhead1]

There are 2 vender files sometimes
One hidden in appdata somewhere
Also, make sure you have the right os.....