Help Help Plzzzzz

[phatt28]

i have rom manager now i cant make or recieve calls everythink else works just cant make or get calls plz help

 

[SoCal Trucker]

Flash your phone back to factory settings using odin.

http://androidforums.com/galaxy-prevail-all-things-root/375550-odin-return-phone-stock-factory-updated-11-09-a.html