Trying to downgrade from 4.3.5 to 4.3.3 to i can get rid of Apple's hold on iPad 2...ok iam trying iSelf and reach a point where i get confuse. Should i install Cydia before i use TinyUmbrella to save my SHSH files?..when i try using tinyumbrella a window comes up asking questions about Cydia!..not sure what to do..can anyone share some info please?..JahBless!