ok from what i understand the gentalman o bought this from, uses litchi , even though i have it i dont use it enough to know, but on his second flight from brand new, he did a mission near a boat dock, i quess in litchi, before its mission it likes to go up about 12 and start........so he went to take off and hit some branches and PLUNK!!!! right in the water........so it took only a few minutes and got pulled out, and he did not have the refresh , so he called DJI support, and they told him that most likely its fried inside.
so this thing is like brand new, not a scratch on it, and the battery did get fried
so i got it home, was not that wet, and i just ran a hair dryer aimed at a tipped box with drone in it........and i tried to charge battery, that is definitely junk
but i have 2 other P4's so i charged controller, put on a ipad, and when the dryer ran over night,
put lipo in and wah-lah........no errors and it seems to be fine,
but should i use some kind of spray in the electronics and motors to be sure there is lube in it
i will test in up coming days, i have re-flashed to factory , calibrated compass and imu, and did a VPS calibrtion, and now i just got to test,
i never soaked one, does anyone have any hints on what to preflight test before flying
so this thing is like brand new, not a scratch on it, and the battery did get fried
so i got it home, was not that wet, and i just ran a hair dryer aimed at a tipped box with drone in it........and i tried to charge battery, that is definitely junk
but i have 2 other P4's so i charged controller, put on a ipad, and when the dryer ran over night,
put lipo in and wah-lah........no errors and it seems to be fine,
but should i use some kind of spray in the electronics and motors to be sure there is lube in it
i will test in up coming days, i have re-flashed to factory , calibrated compass and imu, and did a VPS calibrtion, and now i just got to test,
i never soaked one, does anyone have any hints on what to preflight test before flying