BangleJS boot loop/glitched

Hey!

I've had my BangleJS 2 for just over a year and for the most part it has been super reliable. Yesterday when plugging it in to charge the screen on my Bangle flickered quite drastically, and the Bangle started to heat up to a pretty hot temperature. I detached the watch from the charger and left it overnight to cool and see if it recovered, but now I can only get as far as the recovery menu - the test screen says all green other than "fw: boot undefined" and any other screens either glitch out or eventually present a mangled "loading' image and hang.

I've tried reinstalling the firmware through DFU with no luck, it seems like nearly there's an issue with storage? In some instances while booting I see "check storage" followed by "too many files" but most of the time the watch either reboots back into recovery, or the screen flickers quite a bit and then the watch turns off.

I haven't been able to reinstall any apps/factory reset either as it just displays the mangled loading screen or hangs on the "uploading app..." screen. The backlight also seems to have stopped functioning this morning.

I tried factory resetting with the IDE attached and see the following:

FW addr 0x0001b300 fail
Status 0
-
Write complete.

> 

Has anyone hit an issue like this before? I've attached a photo of the glitched screen but I'm a little conscious of trying to boot it up and take more when it was heating up

Thanks!

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