T-Mobile registration trouble (USA)
bjohnson at blueridge.com
Thu Oct 20 15:55:54 UTC 2022
After something of a hiatus induced by work priorities, I am back to my
project that uses ModemManager and a "glue" program to tell it to
connect. Code that was working back in July isn't working, and our IT
folks gave us new SIMs from T-Mobile. Here in the USA, T-Mobile has
instituted a requirement that a SIM be bound to a specific IMEI. I am
using the ModemSimple.connect call to connect, and I keep getting a timeout.
Using mmcli, I run this command and also get a timeout:
$ mmcli -m 0 --simple-connect='apn=fast.t-mobile.com,ip-type=ipv4v6'
My boss is getting the same thing with a different modem and SIM. Both
SIMs have allegedly been paired with the IMEI in T-Mobile's records.
Does anyone know if simple-connect still works with T-Mobile in the USA?
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