Wireless Joint

Followup, five days later: I've started keeping a log of when the connection comes up and goes down -- by which I mean having actual internet connectivity. Again, the modem status shows a connection even after loss of internet.

It always goes down between 3 and 4 hours after I bring the connection ...

Yes. My phone and router/modems, all with TMO SIMs, get service on native TMO and ex-Sprint towers. If I want to force the routers to one or the other, I can do it with band masking. Where I am, the TMO towers have some subset of LTE bands 2, 4, 12, 66, 71. The ex-Sprint towers are bands 25, 26 and ...

Disabling IPv6 on the WAN interface (both in the ROOter GUI and with the modem command AT!CUSTOM="IPV6ENABLE",0) hasn't resolved the dropouts. It may have changed the nature of the bug, as the dropouts aren't as frequent; they're happening every 6 to 12 hours now. Also, the ifdown / ifup commands no ...

Current modem FW is 01.11.00.00 generic. I see latest release is 1.14.02 both generic and TMO. I've ordered the USB-M.2 adapter from The Wireless Haven so I can flash the modem.

In the meantime, I've been experimenting with disabling IPv6 on the cell-WAN interface in ROOter. Tentatively, the ...

I'm looking for help with the widely reported issue of Sierra Wireless cards losing internet connectivity, while still appearing to have a cell connection, when on T-Mobile or Sprint. I've found several reports of the same problem, down to the last detail, on this forum and also the Sierra Wireless ...