jailbreak problems. springboard keeps crashing my phone

i have the iphone 4 with 4.2.1 jailbroken for 3 days now.

i have installed installous 4 and sbsettings with no problems.

today i tried to install auto3g from a repository. the app installed but there was a crash and it says: spring board has crashed and its running in safe mode. press restart to return to normal mode.

whenever i press restart it crashes again so i'm not unable to take it out of safe mode.

what should i do?

i always buy apps, i use installous for custom apps that don't sell in itunes store.

i found auto3g from repository free i unistalled it and seemed like to solve the problem

scirica said:

Auto3G is not a free app. You have taken it from an unauthorized repository. Buy it from Cydia or leave it uninstalled.

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yeah already unnistalled. not going to pay for it lol. i'd rather not use it