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4G-IOT where is Volume UP routed?

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Published in 2020-5-1 16:39:56 | Show all floors |Read mode
Hello I find volume down button is routed in pin 15 (+1Kohm resistor to GND).

But where is Volume UP routed? I can't find it anywhere????


My 4G-IOT phone project: http://ns2.eerin.fi/
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Published in 2020-11-7 15:28:44 | Show all floors
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Published in 2021-1-22 08:43:16 | Show all floors
volume up - testpoint marked KCOL0
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