Basically, i've just got an iPhone 4 and i Jailbroke it. I'm very impressed with what Jailbreaking offers but would like to revert back to the normal 4.1 software for the time being...
Mainly because i'm not sure how updating of apps/software works!? I had an update show up in my normal appstore for an application i had installed on ********** and it said that i couldn't download the update as i haven't actually purchased it. I've since deleted the app anyway as it wasn't too good. However, I have d/l TomTom sat nav to my iPhone and it's awesome! If i were to do a system restore would i lose this app? Will i also lose any pics or phone numbers? I'm pretty sure my music, pics and numbers are safe because im only changing the software, but as i'm new to this i'm not 100% sure.
If anyone can help, it will be very much appreciated!