@andy0360: Are you wanting to connect to the same Wi-Fi network on both devices? If so, simply swipe up from your Home screen and tap on Settings > Connections > Wi-Fi > On > Select the relevant router, and follow the on screen prompts to complete the connection. Do this on both devices, and you should be good to go.
If you have a 4G variant of the Galaxy Tab A8, then please contact your mobile network provider directly to enquire about obtaining a Nano SIM for the device.
