The Huawei models that support eSIM, the ones where it depends on the region, and how to check your exact unit in 30 seconds.
Note: This is not an exhaustive list. Check your device specifications to confirm eSIM support.
Dial *#06#. If an EID number appears in the list, your phone has eSIM hardware. Also make sure it's carrier-unlocked — a locked phone rejects other providers' eSIMs.