• at least P8 watch has SPI shared with display, didn't you try writing to display? also the flash chip can be sleeping, you can try something like

    var fc=new SPI();fc.setup({sck:D2,miso:D4,mosi:D3,m­ode:0});
    fc.send([0xab],FCS);//wake flash from deep sleep
    fc.send([0x90,0,0,1,0,0],FCS) // get flash id
    fc.send([0x9f,0,0,0],FCS); //get flash id

    hopefully it should print something else than all zeroes or all FFs


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