Samsung eSIM to eSIM first time use

https://www.t-mobile.com/support/devices/samsung-esim-to-esim-first-time-use

Open your dialer and dial *#06# to locate your EID. Once you have your EID, Contact Us to activate it. Once activated, go to Settings > Connections > SIM Card Manager. Select Add Mobile Plan / eSIM. Enter or scan the code using one of the two options below. Scan the QR Code found at eSIM to eSIM first time use. Enter Activation Code SM-DP+ Address: T-MOBILE.GDSB.NET Activation code: [Blank] Confirmation code: [Blank]