有些移远模块重新刷写模块后这个IMEI码丢失了,需要重新录入读取AT+EGMR=0,7写入/修改AT+EGMR=1,7,"123456789012345"将IMEI改成123456789012345,这个值根据实际串码修改,这个码不对可能服务商不允许你链接基站注册。AT+EGMR=1,7,"imeiNo."AT+EGMR=0,7AT+EGMR=1,5,"sn"AT+EGMR=0,5