Hi to everyone,

I have a problem connecting my TL-WR902AC v3 to USB 4G. The router recognizes my Huawei E3372h-320 LTE USB key but it always stops working within 24 hours with this error message:

1    2024-03-11 19:50:56    3G    Error    724: handle_card failed.
2    2024-03-11 19:50:55    3G    Error    690: after_switch not succeed error.
3    2024-03-11 19:50:24    3G    Error    724: handle_card failed.
4    2024-03-11 19:50:24    3G    Error    207: get card info error, before usb_modeswitch.

This solution is fixed older versions but not actually firmware.

https://community.tp-link.com/en/home/forum/topic/245560

Thank you very much in advance for your help

Best regards.Lucas