Been using a FP4 in Washington State USA under T-Mobile for about 6 months now. Bought it from a British reseller. Very occasionally I need to bounce the cell

Been using a FP4 in Washington State USA under T-Mobile for about 6 months now. Bought it from a British reseller. Very occasionally I need to bounce the cellular connection, I suspect because I land on an unsupported band/channel. Otherwise LineageOS runs on it like a charm.