Volume buttons and Mute toggle not working
I recently replaced the iPhone 7 plus screen, lightning connector, antennas. Found out that the volume buttons were not working, so opened it back up and found out the volume/power cable was torn, so I bought a new one. Tore that one, finally got one in without any tears. Replaced the battery at the same time due to damage removing it. Put everything back together, and the buttons still do not work. The power button does, I get volume, but the the mute/toggle and volume controls do not work. Does anyone have any ideas short of getting another new cable and going through the repair again? Thanks.