I have a problem with my iphone(currently ver 3.1.3 with modem firmware 05.13.04)jailbreaked with ultrasnow.Recently i have a problem,i can't install or download any programs from Cydia or Rocks.Its' give me an error:install failed(reading database...dpkg:unrecoverable).I also can't uninstall any program
My question is:do i need to do a clean install again,if so ,how to do it,or upgrade to IOS4.
Thanks afor any precious help