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Jun 17, 2021, 06:10 PM
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I registered on here to relay my experience with the EX4.

It's a best seller on Banggood, like one of the top 5 drones they're advertising, so I thought I was getting a great deal. The drone arrived yesterday, so I went to my usual spot, a small field and a parking lot to see if the thing works. Read the manual inside out, didn't want it using GPS as it seemed a bit unstable, and there's houses around with an apartment building some 20 metres away.

Set the thing to attitude mode, linked up with my phone, hey, it works! Pretty wobbly, but it definitely works. A couple of minutes later, the drone veers to the left and quickly gains lots of altitude on its own, it does not listen to my controls whatsoever. It started to do the toilet bowl maneuver, something I was not aware of, for a solid 30 seconds, flying in a very wide circle over people, cars, and houses, before slamming itself into a tree some 20 metres away from me at full speed.

The damage is extensive, the entire body is cracked in many places, a leg is torn off, some wires were torn off, it's a total mess and I'm not sure I can even repair it. It really sucks to lose a 200 dollar drone within 2-3 minutes of its first flight. The video the drone was taking is corrupted, a problem that happens if you power the drone off before pressing the 'end video' button.. unfortunately the crash tore the battery from the drone and sent it flying a foot away from it. All I have is a .txt log file from C-fly saying it went into 'failsafe' RTL mode.

After googling around and seeing so many other people having so many issues of horrible GPS, 'magnetic field interference', toilet bowling, crashing, and run aways...

I whole heartedly advice you AVOID this drone entirely.

It would have been a very bad day if the out of control drone would have slammed itself into someone's window, or a person. Not a single drone I own has ever locked me out, only to spin wildly and attempt an incredibly unsafe landing. It's not just a bad, faulty drone, it's a safety hazard. Nowhere in the manual does it state you need two football field's worth of empty grass in case this thing goes haywire, and I followed the manual to a T.
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