I updated one of my test sites that had this similar issue on 18x running the 4G SIMs.  Are you using static or dynamic APNs?  I updated mine to 18.211 using a static APN and associated with the proper location and worked perfect.  the 18.210 broke this    ·         West: WE01.VZWSTATIC ·         Midwest: MW01.VZWSTATIC ·         Northeast: NE01.VZWSTATIC ·         South: SO01.VZWSTATIC ... View more

We have loaded this on our DEV firewall and a couple sites as of yesterday.   We are waiting to perform on the larger MX450 series in HA pair that has been painful for a long time on that series.  Would like to know if anyone else loaded it on their bigger series yet and any issues reported.  NAT rules failing were a big one for us.    ... View more

Can you elaborate more? ... View more