"cho sim vao khoi dong len den logo mang roi moi tat " Hien nhien an nguon do PA gay ra , PA la linh kien an truc tiep nguon VBAT do bi hong nen an het nguon dan den tat nguon . Co lap PA hoac nhac ra khoi mem ma van ko dc thi chac la ban nham PA voi linh kien nao do hoac loi mem .