GL-E750 wrong 4G signal displayed - evolutions

[alzhao]

There is a bug in screen display and will be fixed.

I think there is AT command to lock to 3G. The following post locks for 4G but you can check Quectel command/

Force Lte 4G

Hi, I have mifi with the EC20-E 4G EU module. But I can’t connect to 4G. It automatically goes to 3G and I can’t change it. How can I force it to 4G? I’m from Australia on the Optus network. Thanks.