The IMSI change is only truly effective if paired with an IMEI rotation - which as others have noted is legal (usa). So now we have a service provider that supp

The IMSI change is only truly effective if paired with an IMEI rotation - which as others have noted is legal (usa). So now we have a service provider that supports IMSI rotation I guess it is up to folks who can work on the hardware level to add support for IMEI rotation. I heard that GrapheneOS is developing its own hardware. It's possible we may have a very effective defense against cellular layer privacy attacks in the near future.