US Mobile, via T-Mobile, won't support Pinephone Pro - SOLVED, SIMPLY
Follow up. I am successfully testing a US Mobile "Dark Star" SIM in my PPP thanks to a Black Friday 2024 offer of one month free service with an extra line on the "Dark Star" network. (The idea is that if I don't cancel the line, it will start auto-charging on the $10/month plan.)
"Dark Star" is the AT&T network. I did not expect AT&T to allow my IMEI, but it worked without issue as soon as I inserted the activated SIM.
So, I can personally confirm that US Mobile's white T-Mobile SIM and "Dark Star" AT&T SIM work in the PPP without IMEI spoofing or any extra effort. I have not tested the black Verizon SIM yet.
"Dark Star" is the AT&T network. I did not expect AT&T to allow my IMEI, but it worked without issue as soon as I inserted the activated SIM.
So, I can personally confirm that US Mobile's white T-Mobile SIM and "Dark Star" AT&T SIM work in the PPP without IMEI spoofing or any extra effort. I have not tested the black Verizon SIM yet.