IKOS W3800 4G Dual SIM Adapter for Apple Skin iPhone Netcom 4G Network Cable Version Wifi Version to Go Abroad Without Diffusion

Connectivity: It connects to the iPhone via the "Sim Plus" app and utilizes 4G network connectivity, with some versions supporting Wi-Fi as well. Roaming-Free: A major selling point is its "roaming-free" feature for international use; the physical W3800 device can be left in a home country with the local SIM, and the user can access calls, SMS, and data remotely from anywhere in the world using their connected mobile device, avoiding expensive international roaming fees. Seamless Integration: It supports Apple's native features like CallKit (making incoming calls appear like standard iPhone calls) and automatic SMS verification code autofill, providing a smooth, integrated user experience. Design: The W3800 model is often described as an "Apple Skin" (referring to a case-like form factor) and uses durable materials like ABS plastic