Haven't pinned the flicker or the radio info blanking down. Having some other issues that I've determined may be due to an apple software issue between bluetooth and usb. Thought the flicker only happened when my iPhone was plugged in but it has happened twice now with nothing plugged in...
Having the same issues as the OP with a 2014 Civic LX sedan. Dealer ordered me new unit, Honda corporate canceled, claiming the issue was still "under investigation" and that in some cases the new unit hadn't solved the problem. Arguing with corporate about it now trying to find a resolution...