I have the same problem as Geoff Nolan. Connect the tablet to the PC and then disconnect and cannot update .........

The tablet does not have a fully functional android 10. Some language options are missing (such as Slovak language). WiFi 5g connection does not work either. Software update is not possible. Even after a great effort and despite me following the product manual I was not able to update it. The tablet stops working and gets disconnected in the middle of the update process. I have tried several ways to update the device and none of them were successful.

ahoj Pavel , už som to vyriešil ..ozvi sa mi na robertd@atlas.sk

I used SPD_Upgrade_Tool_R24.0.0003 but that you already know, of course. So: open the software, click on the start/play arrow.... connect the tablet to PC, but before you get logged out, or before connecting, press play button and volume button on the tablet (volume button first, then play button).... hold the button down until the update starts Hold it for about 40s It worked for me....

volume button -- silence / -- / minus