(06-16-2020, 02:07 AM)DrYak Wrote: So could a switch hot wired to another free GPIO pin be used between display and antenna ?
Are you looking for a board respin or a wire mod?
It is possible to tweak the code running on the watch so that both LCD_DET and TP_RST are unused (the touch panel works OK without TP_RST but it is not possible to put it into a power saving mode).
That might make a wire mod possible although it will be mechanically difficult to pull off!
Reading the schematic I think you'd need to disconnect TP_INT and LCD_DET by jamming something into the connectors (or punching a tiny hole in the ribbon cable), desolder R25 and R30 and then use the resulting exposed pads to connect the NFC antenna.