RUTX 50 RUTX_R00.07.06.3 loses 5G connection

I have had a number of issues with the RUTX50 and not alone in this.

Following these the router was updated using bootloader method (twice to be sure) to R00.07.06.3

All settings left as default.

At initial start up all cells shown then these then disappear to only show the strongest. No connection to 5G NSA anymore. Previously this was consistent and all bands shown.

gsmctl -A ‘AT+QCAINFO’ shows LTE bands 7,1,8 and NR5G 78
this then changes after a period of time to just band 7

At start up or connection reset we see
root@RUTX50:~# gsmctl -A ‘AT+QCAINFO’
+QCAINFO: “PCC”,2850,100,“LTE BAND 7”,1,379,-78,-8,-50,30
+QCAINFO: “SCC”,323,75,“LTE BAND 1”,1,379,-86,-11,-66,21,0,-,-
+QCAINFO: “SCC”,3624,50,“LTE BAND 8”,1,379,-73,-11,-52,13,0,-,-
+QCAINFO: “SCC”,628032,7,“NR5G BAND 78”,859

After a short period of time we see just the one
root@RUTX50:~# gsmctl -A ‘AT+QCAINFO’
+QCAINFO: “PCC”,2850,100,“LTE BAND 7”,1,379,-78,-7,-50,24

What changes in this version of the firmware as there are no release notes?
Why is only one 4G connection made and 5G dropped?


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