Samsung Galaxy S23 / S23+ / S23 Ultra eSIM Compatibility & Setup Guide (2026) Check if Samsung Galaxy S23 / S23+ / S23 Ultra supports travel eSIM. Complete guide on regional hardware versions (US, China, HK), carrier unlock status, and instant QR activation. Samsung Galaxy S23 / S23+ / S23 Ultra Technical Specifications Manufacturer / Brand:Samsung eSIM Hardware Support:✅ Built-in eUICC chip (Global models) Dual SIM Dual Standby (DSDS):Supported (1 Physical SIM + 1 eSIM, or Dual active eSIMs) Carrier Lock Requirement:Must be factory unlocked ("No SIM restrictions") How to Install Travel eSIM on Samsung Galaxy S23 / S23+ / S23 Ultra Purchase your destination travel data package on EsimTao and receive the instant activation QR code. Connect to Wi-Fi at home or the airport. Go to Settings -> Cellular (or Mobile Data / SIM Manager) -> Add eSIM (or Add Cellular Plan). Scan the QR code and follow on-screen prompts to download the cellular profile in 30 seconds. Upon landing abroad, turn on the eSIM line and enable Data Roaming.