Why the Mudi GL-E750 just can receive SMS but can’t send? in the firmware 3.x you can send sms but in 4.x not.
There is not button for send sms in gui.
Is your module EP06?
Yes, the modem have EP06.
The new firmware will be released in the next few days and fix the issue, please wait
https://dl.gl-inet.com/router/e750/
New firmware has been released.
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