i upgraded my jailbroken 3gs from 4.1 to 5.1.1, upgrade went well but now no service.

[buntuser]

hi,
i upgraded my 3gs from 4.1 to 5.1.1, upgrade went well but now no service..
phone details:
serial number starts with 86943
bb 06.15.00
i tried jailbreaking, ultrasnowing, but nothing helped.
what should i do?
thanks

 

[nikkisharif]

hi,
i upgraded my 3gs from 4.1 to 5.1.1, upgrade went well but now no service..
phone details:
serial number starts with 86943
bb 06.15.00
i tried jailbreaking, ultrasnowing, but nothing helped.
what should i do?
thanks

Sync your iPhone to iTunes and either restore from backup or restore as new and you should be good to go. Hope this helps!!