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Can the TG500 firmware be upgraded

Posted: Sun May 27, 2018 11:38 pm
by ampTG500
Just purchased a TG500 with firmware 1.10. Is 1.20 purchasable as an EPROM on the used market? Or is there perhaps a way to flash the EPROM to 1.20?

I'm not even sure what the changes were between the versions, so it may not matter.

I've read here on the forum that the internal battery is soldered to the PCB. Is the replacement battery a 3v CR2032? I can easily find a holder for that or a CR2025 battery. I did a search, but couldn't find an answer on the battery and firmware matter.

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