A.不開(kāi)機(jī)B.不顯示C.不認(rèn)SIM卡D.不入網(wǎng)
A.死機(jī)B.無(wú)信號(hào)、不入網(wǎng)C.聽(tīng)筒無(wú)聲D.不振鈴
A.不顯示B.鍵盤(pán)失靈C.聽(tīng)筒無(wú)聲D.不振鈴