Weak image

[SonoraMx]

I have problems with my ph4, at 5 or 10 meters i get weak signal. Sometimes after 10 minutes or flight.
I leave you an image that shows whats happens in the flight.
What could it be??? I flight with iPhone 6.
HELP!!!!

 

[John Locke]

Looks like interference. I hope you're not flying near other phantom pilots. If yes, give yourself at least 50' spacing. Otherwise select a quiet custom channel and then adjust the transmission quality down to 4mbps. Try that and report back.