I fly behind my house having prior experience with the XSP. There are a lot of small hills and I have had to be careful with the XSP to not lose the connection. This was my fifth flight. I went out without a phone connected because I have found the new EVO screen to be fine. I was at about 300 feet when I lost connection and it indicated it was in RTH mode. However it was landing instead of going home. It went down, I think softly, about 1/2 mile away through very rough terrain. Three trips out and could not find. I was able to see previous logs of the other four flights but none for this flight. All help appreciated. Major blow to the pocketbook. I am going to go out with the XSP to search.