Lets gather the known issue (bug) for Jailbroken 1.1.3 and to list down the possible solution to those problems.

From 1.X.X to 1.1.3 through the following method:
ZiPhone: Link
GeeZuZz: Link (Official 1.1.3 Upgrader in InstallerApp)

Format

Method: Zi/Gee
Problem: bugbugbug
Solution: fixfixfix