Firefly Open Source Community

   Login   |   Register   |
New_Topic
Print Previous Topic Next Topic

[Hardware] SIM not inserted

20

Credits

0

Prestige

0

Contribution

new registration

Rank: 1

Credits
20

【Hardware】 SIM not inserted

Posted at 9/2/2020 19:35:19      View:2702 | Replies:0        Print      Only Author   [Copy Link] 1#
Hi,
we are using Quectel EC25 LTE modem on a AIO-3399C board, but it doesn't detect the SIM.
We are using the latest Ubuntu 18.04 image.
The SIM works correctly in other devices.
We have used several EC25 and SIM and it does not detect the SIM.

# modem-manager.mmcli -m 1
  --------------------------
  General   |      dbus path: /org/freedesktop/ModemManager1/Modem/1
                  |      device id: 7c581cd78b9a69970687cc455a6d732ec219c005
  --------------------------
  Hardware |   manufacturer: Quectel
                   |          model: EC25
                   |       revision: EC25EFAR06A07M4G
                   |      supported: gsm-umts, lte
                   |        current: gsm-umts, lte
                   |   equipment id: 860548042446762
  --------------------------
  System   |         device: /sys/devices/platform/fe3c0000.usb/usb1/1-1
                 |        drivers: qmi_wwan, option1
                 |         plugin: Quectel
                 |   primary port: ttyUSB2
                 |          ports: ttyUSB0 (qcdm), 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

Using AT commands:
AT+cpin?
+CME ERROR: SIM not inserted

Thanks.
Reply

Use props Report

You need to log in before you can reply Login | Register

This forum Credits Rules

Quick Reply Back to top Back to list