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The t-mobile app says Error Code 500. Restart device. I restarted device, still have error code 500.
A few brief posts make it look like the SIM card. Can you try to manually eject it and reinsert it?
I hope this helps!
I'm getting this too. I've removed and re-installed sim card but that did not solve the problem. I can see devices when router is first turned on, but no longer can later and get Error 500. How can I get router firmware updated? Current version is
SGJi10202-1.2.74
