Each contract and carrier handles this in their own way, so double check what the tethering policy is for your subscription.

If mobile connectivity is patchy in your ... Ethernet adapter or the USB-C hub before activating the hotspot option on your Galaxy phone. Then, connect the LAN cable to the hub's Ethernet port.

If someone gets ahold of it or you aren't using password protection, anyone will have the ability to connect to your hotspot and access data transmitted through it. Does my phone have a mobile ...