Do you need Bluetooth and WiFi. To work message and phone on the series 3 only gos
On the Apple Watch series 3 gps only. Do you need both Bluetooth and wifi to receive text or just on or the other
iPhone 8 Plus, iOS 11.3.1
Either Bluetooth or WiFi should be enough, but at least one of them must be available to link your phone and watch. Be aware your phone will need to be powered up and connected to the cellular service so the SMS can be received and forwarded to your Apple Watch.