2280 help
 

i have received 2280 in "signal faded call lost" then it was not a sim based phone. then i flash it with ruim files, it was successfully changed in sim based.but it is not calling to *367,*225,then i reball cpu ,after that now it is showing "insert uim card" ,i replace sim ic but still same ,please tell me where is the problem sir, thanks in advance.