Unlike Apple and Google, Samsung has been slow to support eSIMs in the United States. Browse through any list of compatible devices and you'll be quick to spot Pixels, iPhones, and not much else. Samsung has made some progress on that front this year, bringing eSIM support to the [Note20 series on T-Mobile](https://www.androidpolice.com/2021/04/17/samsung-is-finally-rolling-out-esim-support-to-galaxy-phones-in-the-us-here-are-the-models-so-far/) and Verizon. [With new software ready to go](https://www.androidpolice.com/samsungs-take-on-android-12-one-ui-4-is-now-available-for-the-galaxy-s21-series/), the S21 series is next in line for an update.