Originally Posted by deathriders
Yes is normal, the Debug System can't decrypt NP PKG over the Firmware 1.6, then if you want install it you need to downgrade your firmware, install the PKG and re-install your current Firmware! But this firmware can't be installed and also all other under 2.00, what you need is a "Special" firmware!!
Other solution trying to decrypt Retail PKG, but is a long long adventure hehe... if is makable...
For game UPDATE set your PS3 on sp-int or prod-qa, and start your game, if you lucky, you will found you update, beware on prod-qa network some update don't want install because is the retail version!
If you want see if is a retail version look at the end of the PKG name file, if you see PE is a retail on! "XX9000-XXXX70006_00-0000000000000100-A0201-V0101-PE.pkg"
Then Good Luck with your Debug system!