One very easy and convenient way to share access to a wi-fi router is by generating a QR code for joining that wi-fi router, ...

whether it’s for a one-time guest or a more permanent setup. How Guests Can Connect Using QR Codes For your guests, connecting to your Wi-Fi network using a QR code is equally simple.

QR codes are everywhere these days, offering a simple way to access information through your device's camera. Now, with iOS 18, Apple has extended this convenience to Wi-Fi password sharing.