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4G-IOT where is Volume UP routed?

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Post time 2020-5-1 16:39:56 | Show all posts |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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