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I finally recovered with the technique from http://forum.espruino.com/conversations/369983/.

I was trying to experiment with the first example from the BLE keyboard tutorial. However, at this point, even with BlE + Programmable on in Settings, with HID set to Off, I can't connect to the Bangle. I've tried a ton of stuff - BTN1+BTN2, resetting settings, updating firmware, etc. Is there anything I can do from here to not have an unprogrammable device?

In the end, I think I'll use my own arraybuffer with a higher BPP and a lower resolution.
Edit: I ended up being forced to use the 8 bit web palette, so I just changed all of my images to use those colors.

I looked into this some more, and it looks hardcoded. Is there any way to access the graphicsInternal object from JS?

Okay, at this point I've moved to using Bangle.setLCDMode("80x80");. However, I'm still stuck with the 8bit web palette, which looks bad. Is there any way to use another one?

I think this is caused due to the limited palette provided. Is there any way to customize the palette used in the arraybuffer?

I was trying to use a image background for a clock. In order to prevent flickering, I wanted to use a buffer. However, when I draw the image background on the buffer, the image's colors are shifted.
With a buffer (brown colors):

let buf = Graphics.createArrayBuffer(120, 120, 4);
buf.drawImage(
 require("heatshrink").decompress(atob("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")),
  0,
  0,
  { scale: 2 }
);
g.drawImage(
  buf,
  0,
  0,
  {scale: 2}
);

Drawing directly to the screen (intended colors):

g.drawImage(
 require("heatshrink").decompress(atob("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")),
  0,
  0,
  { scale: 4 }
);

Is there any way to make the colors be the intended ones?

Usually things ask for your language when you first boot it up. You could also change the App Loader's design to show "apps" with browser config (eg OpenStreetMap, Languages) inside the About section, instead of as a normal app.

You don't see anything in the Espruino IDE's console, right?

That worked, thanks. Surprised I didn't see anything about this elsewhere.

I'm using the plain old Weather app on my Bangle.js 1. Even though I

1. set units to Imperial in Gadgetbridge
   
2. set temperature units to Fahrenheit in Weather Notification's built-in skin preferences
   
   

My Bangle.js insists on showing Celsius. How do I change this?