Is my device eSIM compatible?

eSIM Compatibility List

The devices listed below are a general guide to eSIM compatibility. Actual compatibility may vary based on factors such as the region where the device was purchased, whether it is a dual-SIM model, or other specifications. To confirm if your device is eSIM compatible, dial *#06# on your phone. If a 32-digit EID (Embedded Identity Document) number is displayed, your device supports eSIM functionality.
Apple

iPhone

iPad

Watch

Samsung

Galaxy

The following Samsung phones DO NOT support eSIM: Samsung S20/S21 FE Series Samsung Note 20 Ultra and Samsung Galaxy Z Fold 2 originated from Hong Kong Samsung devices originating from the USA and Canada. For Samsung S21 series (with the exemption of FE models) for Canada and the USA, if you already have the One UI 4, this update may add the eSIM capability to your device.
Google

Pixel

Pixel 3 phones manufactured in Australia, Taiwan or Japan. Phones bought with US or Canadian carriers other than Spring and Google Fi don’t work with eSIM Pixel 3 phones purchased with the service from US or Canadian carriers other than Sprint and Google Fi; Pixel 3a phones purchased in South East Asia and with Verizon service.
Others

Nokia+Huawei+Xiaomi+Motorola...

Source:

https://esimwise.com/phones-with-esim#apple-phone