Okay that was painless to update the firmware to the very latest version.
Still need a new battery though*: only a few quid off AliXpress. It's the month long wait for it to arrive...
* - Still device claims "Charged 100%" which, frankly is not true. Presume it is just registering the charger voltage as a "full charge".
Last edited by Crowriver; 08-25-2020 at 10:41 AM.
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