if i do the following, whats actually kept by the backup excatly? backup before upgrading in itunes. upgrade in itunes, losing jailbreak. jailbreak the new firmware. restore earlier backup from itunes on new jailbroken firmware? (here: will it restore my non-cydia apps and settings, msgs, pictures, videos, music, layout, etc...? i know it wont restore cydia apps, but i don't care about that as i only have 3-4 anyway!) i.e. what are actually restored when using a backup from a jailbroken iphone? Thanks guys.