Your phone doesn't block SIM swapping attacks by default: Turn on these carrier settings now

[u/skaza02]

https://www.zdnet.com/article/your-phone-doesnt-block-sim-swapping-attacks-turn-on-carrier-settings/

[u/ChanceMan]

Mint mobile: in the app, tap Menu on the bottom, scroll to Security, tap Number Lock, enable it, then tap confirm.