loosing signal

This is the first time in around 100 flights within a Year this happened. I always fly to the max range, let RTH kick in and cancel RTH when I get a good signal back and fly into another direction. Yesterday the following happened. Flew 2 hours before and set new record for me with nearly 2300...

Hello guys im having this issue since 2 days ago, i turn on the phantom 4 Rc first then the bird, everything comes up few seconds after is on screen goes black stops showing gps signal and and Drone signal which shows drone icon next to gps says N/A, then few seconds later just says...