exactly what it says in the title. everything is properly connected, the speaker is working, i can change the display brightness using the hot buttons, but up or down there is absolutely no change in volume. any thoughts?

I've got a preorder coming soon with a fully assembled battery cover option (see links in signature) also erikgee and hoolyhoo have options as well. I think hooly hoo probably has the most simple and cleanest option if you like where they sit. Just drill holes for the buttons and your done. Board j...

I ran mine parallel and they fit perfect in the case with hardly any modification. No issue charging and I think I get like 12 hours of out of it.

https://imgur.com/a/au0XO

https://imgur.com/a/RhlW3

Are these backboards available for purchase anywhere?

Edit: are there anymore 2 buttons available?