From January 2024, the Touch Pad will use the Surface Go 4 tablet. This is mostly an upgrade on the previous iterations of the Touch Pad, but there is one difference; the Bluetooth adaptor inside the device does not support Grid Phone. A Bluetooth dongle will need to be used to connect Grid Phone successfully.
Details about the Windows Update KB5034441 failing to install.
How to set Grid 3 and Windows to use the Touch Pad Bluetooth speaker