Bangle.js 2 boot looping

[espruino-discuss2]

Posted at 2022-10-19 by HStewart

I've been using my watch since I got it in February, but this week I started having a major issue. The firmware somehow got damaged after I left the watch on the notes app for a few hours, where it was stuck on the screen that says

1. WATCHDOG
2. DFU 2v12
3. CHECK STORAGE
4. NO NEW FW
   and was unable to boot. It also didn't show up in the app loader. I used nrf toolbox on android to successfully upload the firmware, and now the watch is cycling between the last page and one that says "Checking storage"
   "Storage Ok."
   However, now it shows up in the apploader and IDE, although I am unable to successfully connect (the app list loads to halfway and stops).

[espruino-discuss2]

Posted at 2022-10-19 by @gfwilliams

Do you remember what firmware you had on it before?

Please could you try installing the 'cutting edge' build from https://www.espruino.com/Download#banglejs2 using the DFU mode that I guess you used before to update the firmware?

It seems there was an issue in 2v15 where if flash memory got corrupted in just the right way, it could refuse to boot. It should be fixed in the latest builds (but after you get it booting, you'll probably have to reinstall apps).

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Posted at 2022-10-20 by HStewart

Perfect, it worked. Thanks.