alA lot of Mavic Mini pilots said that they have signal issues with their drones, some said they got a ‘weak signal’ message after flying a few meters away or the drone just kept losing signal after taking off.
It’s complicated why this happens because the environment of flying spot and drone status are all different, normally it is caused by interference.
Why Mavic Mini Has Signal Loss Problem?
Compared to other DJI drones like Mavic Pro, Mavic 2, or Phantom 4 or the new Mavic Air 2 who use the Ocusync transmission system, Mavic Mini uses WiFi transmission which is not as stable as the others and has a shorter range.
- There is some sort of radio devices nearby like a tall building, obstacles, or High voltage lines that interfering with the signal.
- Some objects that are not transparent to radio signals will absorb the radio.
- Buildings, trees, or walls may diffract the signal if they are in between the RC and your Mavic Mini.
- You fly your Mavic Mini too far away and it is out of range.
- Your remote controller is not pointing to the aircraft.
- You are flying your Mavic Mini above your head.
What happens when Mavic Mini lost signal?
Mavic Mini will automatically RTH (return to home), Descend, or Hover according to your settings.
Normally, it’s better to set it to return-to-home because it’s safer. If you don’t know how to configure this, check this DJI Fly best settings guide.
What to do if Mavic Mini lost signal?
1. Make sure the location you fly your Mavic Mini has no interference. If you keep getting a weak signal message even before you fly, it’s most likely that the place you want to fly your drone has something that seriously interferes with your drone.
2. Orientate the antennas to make sure it’s always pointing to the aircraft. When your remote controller’s antennas are not pointing towards the Mavic Mini or the drone is above your head, the signal is the weakest, you should always avoid these 2 worst relative positions to ensure proper communication between the RC and the Mavic Mini.
3. Always keep your Mavic Mini within line of sight.
4. Check the Transmission folder in the DJI Fly app menu. You may find that the Mavic Mini is using a 2.4 GHz when effectively all of them are pretty busy, if not in the immediate surrounding that might happen on the air once clear of the obstacles around. Manually pick the cleanest channel.
If none of these work for you, you may need to contact DJI support to see if your drone is defective.