iphone 4s no service after jailbreak

[biztheinfamous]

hello. i currently have an iPhone 4s and have jailbroken it using absinthe. after a week and a half of using it the service just goes out on me. this is the second time it has happened and its making me not wanna jailbreak it again. ive tried turning on the 3g in the network settings and it just cuts out on me again. help please..