Due to system restrictions on HarmonyOS NEXT, you will need an eSIM card reader, which can be purchased at: https://esim.xcard.plus/en/buy/3.html
Insert the physical eSIM card into the card reader, then connect the card reader to your phone. The remaining steps are the same as on Android. You can use the app to download and switch eSIM profiles.
Android User Guide: https://esim.xcard.plus/en/articledetail/7.html
