iPhone 15 / 15 Pro / 15 Pro Max eSIM対応状況と設定ガイド（2026年最新） iPhone 15 / 15 Pro / 15 Pro Max のeSIM対応状況、SIMロック解除手順、海外旅行用eSIMのインストール方法とQRコード開通を徹底解説。 iPhone 15 / 15 Pro / 15 Pro Max Technical Specifications Manufacturer / Brand:Apple 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 iPhone 15 / 15 Pro / 15 Pro Max 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.