no signal with p4 p+.

Hello everybody! I just bought my phantom 4 pro plus three days ago and after a few flights without any problem, now, after the drone connects to the remote, it displays "No signal" and I can't see the image of the camera on the remote screen. Also, some of the info about the drone come up as...

I did a firmware update on my P4 P+ today. It updated just fine with no issues, but I now have no signal (no picture). Everything was working fine before the update. Everything else works--I can still fly it & the camera works as normal-just no picture. I tried a second update (refresh) & even...