Won't boot after system update "invalid bootloader file"

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So I was going to try that and when I booted it up today it got stuck in a Applying update, then weird glitch image, then applying update again.

I clicked reset 3 times and it brought up the sharing as USB thing.
I deleted the boot and pdfw files.

When afterwards it got into that applying update, then weird glitch image, then applying update loop again.

I reset it 3 times and now it says "sharing DATA segment as USB drive".

I loaded that up and the errorlog looks like this:

/System/Settings.pdx
system/gamedetailview.lua:208: attempt to concatenate a nil value (field 'bundleID')
stack traceback:
	system/gamedetailview.lua:208: in upvalue 'drawGameOptions'
	system/gamedetailview.lua:256: in method 'draw'
	main.lua:183: in upvalue 'drawView'
	main.lua:362: in function <main.lua:357>

/System/Settings.pdx
system/gamedetailview.lua:208: attempt to concatenate a nil value (field 'bundleID')
stack traceback:
	system/gamedetailview.lua:208: in upvalue 'drawGameOptions'
	system/gamedetailview.lua:256: in method 'draw'
	main.lua:183: in upvalue 'drawView'
	main.lua:362: in function <main.lua:357>

I think I don't understand the reset thing very well haha. I got it to share the boot segment again...

I'll just message you with the serial number... one sec.