EEPW论坛

问题描述及复现步骤:

General  |              path: /org/freedesktop/ModemManager1/Modem/0

|         device id: 148b7e11716fd6b8d507b9d5322af03defac5a7b

Hardware |      manufacturer: Quectel

|             model: EC20F
| firmware revision: EC20CEHCLGR06A05M1G
|         supported: gsm-umts, lte
|           current: gsm-umts, lte
|      equipment id: 868274063130910

System   |            device: /sys/devices/platform/fd880000.usb/usb2/2-1

|           drivers: qmi_wwan_q, option
|            plugin: quectel
|      primary port: ttyUSB2
|             ports: ttyUSB0 (qcdm), ttyUSB1 (gps), ttyUSB2 (at), ttyUSB3 (at),
|                    wwan0 (net)

Status   |             state: failed

|     failed reason: sim-missing
|       power state: on
|    signal quality: 0% (cached)

Modes    |         supported: allowed: 2g, 3g, 4g; preferred: none

|           current: allowed: any; preferred: none

IP       |         supported: ipv4, ipv6, ipv4v6
板卡连接正常，用的电信卡，也正常。