Khg biet moi nguoi sao chu may minh ok het ve wifi.nhung that su van buc boi vi lau lau no tu ngat ket noi.va lau lau bao la connected nhung that su la bao ao.phai réstart lai pb mat thoi gian.san day xin cho hoi go tieng viet tren playbook nhu the nao.minh chi biet go kieu vni thoi nhe.khg biet go kieu telex.