MR1100 Setup Required keeps popping up even after using Netgear APN Setting for AT&T

[PJarosz63]

Purchased unlock MR1100  Got AT&T Data Plan.  Working with NetGear APN setting but keep getting "APN Setting Required" on start screen

[FURRYe38]

Please visit and post about this over in the Mobile Routers forum:

 https://community.netgear.com/t5/Mobile-Routers-Hotspots-Modems/bd-p/aircard

Thank you.