after seeing his item selling by me for a higher price.. before.. he doesnt complain on the item that i swapped to him.. then after 4days when he saw the item that im selling.. he tried to make issues on my item which is free from defect... he tried n tested it in an hour b4 we swap.. and wla naman kameng pnagusapang personal warranty.. kaya nga pinatest ko s inyo yan almost 1hour.. then after 4days dun po kau magcomplain?.. d ko lam kung may foul n nanyari jan or wat..