Hi Yves,
I own a 237 (high voltage version). These devices share the same firmware. Only a resistor on the mainboard decides whether the 236 or the 237 version.
?
I have the A10 version and can send it to you if you want.
On the mainboard there is a second device which is also marked with a firmware version (236 801 A10).
But I don't know if you also need it. Is an EEPROM ev. are there only the calibration data stored.
In an emergency, I also have this data and can send it to you.

Many greetings Rico