Hey guys , first off i would like to briefly introduce myself and say hi and thank you to everyone who has contributed to these boards because my p3 would probably of never made it off the ground if it wasn't for you guys...... I am far to exhausted to list all of my horrible dealings with dji so i will only stick with my current issue. i really need help , and have searched around and have not really gotten my question answered. so here's the deal. i just recently got my p3 and its been flying great ( once i managed to actually get it in the air, ..... it didn't come from dji "awesome" i had to deal with a lot of bs....) except i always start to lose my signal at around 400m out and about 100m up... i am flying in a city with most likely a lot of interference, however it is flown in a massive park, over an incredible stretch of trees where there are no people. so i wondered ...... perhaps i need to run a firmware upgrade? i am currently running firmware 1.1.9 ( as it came shipped from dji) and ios version 1.2.0 ( again, no updating, but just downloaded last week , so i assume it is current....) i bought a high capacity sd card that writes a lot faster than the supplied card and thought that i might as well update my firmware since im fiddling with the sd card anyways. however i read online from a dji tech that threre are ALOT of customer issues specifically when upgrading firmware from 1.1.9 to the most current 1.2.6 i believe? anyways friends i need your help, i have bought my phantom in hopes of using it to supplement my meager student income, and i have a pretty hot girlfriend who demands a lot.... am i getting issues with distance due to trees and possible interference? or should i be able to fly 400m with ease? can i update my firmware without issue? should i? or is there a better , more stable version i should install? thanks all!