Well ZXing invented the Wifi format[1]. If, for whatever reason, you wanted to do this with older iOS you had to use a configuration profile[2]. This would be

Well ZXing invented the Wifi format[1]. If, for whatever reason, you wanted to do this with older iOS you had to use a configuration profile[2]. This would be distributed as a PList that you'd link to in the QR code. Which means the device needs to be connected to a network to download it first. A captive portal could help with that, or put it on the internet maybe protected with a geofence so you're not advertising your password to the world. [1] https://github.com/zxing/zxing/wiki/Barcode-Contents#wi-fi-network-config-android-ios-11 https://github.com/zxing/zxing/wiki/Barcode-Contents#wi-fi-n... [2] https://developer.apple.com/business/documentation/Configuration-Profile-Reference.pdf https://developer.apple.com/business/documentation/Configura...