machanla man gawa thiyana 4S ekak R-SIM .
me lagadi gaththe ios 8.1 thiyenne
mekata 3G signal anne ne..
yaluwek blala qwa R-SIM 10+ ekak daapan kiyala..eka passe daaganna mama normal signal wlin 4n eka usekra...
ath man ada 4N eka RESET kara dan activate kragann be..
sim eka nethuwa wifi walin...