Installer stops after downloading, no error or acknowledgement just a “Try again” button still open

Agreed but I do find a match here:

c79a65da525c5985f1dcd3afda1796a2695822b3994b2e38aa28e9ed79a8ac30  e-1.17-s-20231111351092-dev-flame.zip

Not very desirable as it is the last S build so will need a manual upgrade. So you would better do a manual install of T https://doc.e.foundation/devices/flame/install