Mobile signal booster antena

hi i am selling my iphone 6 16gb gold good condition but some issues after housing change wifi k signal week hy or sim k signal b week hy lcd pa minor shade hy paper ka 1000 paper change cost 1500 signal antena cost 1000 wifi antena cost (3500) total repairing cost device k pass rakh k signal atay hy wifi k connect b hota hy chalta b hy mobile signal ka b same issue hy kahi signal atay hy kahi nhi aus ka b antena change hoga jaha signal atay hy waha perfect chalta hy baki sub ok hy jo interested hy wo contact karay no foolish offer location north nazimabad hyderi dollman mall