I was using pubic wifi, which I rarely do, and immediately got the following message from the browser:
I attached screen shot showing the cert was from 6 months ago.
My question is: Does this mean the router is hacked certainly? Is there any other reason a "trusted" site like Google would issue a certificate that old? It's working on my tablet on home wifi fine.
I checked my system time and it shows in the screenshot to be correct. I read about on the web and:
3.) Change WiFi Connection Try changing the WiFi connection on your device if clearing data and resetting your Time/Date didn’t work. You may be on public WiFi which is notoriously unsecure. Find a private WiFi connection and see if the Android error is fixed.