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Controller won't connect to drone
256 20 11-18 19:01
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cwells
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United States
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My new Mavic Mini arrived today. First, I am not a noob... have had a Phantom 3 Pro for the last 4 years.  I charged up everything, connected it, turn on drone, phone, and controller.  Connect Aircraft does nothing.  Drone flashes yellow.  Controller flashes its 4 lights all at once.  I have tried repeatedly.
What gives?  

I first tried my Samsung Galaxy S10+ but it won't fit between the holders.  So, I used my older phone this replaced, a Moto Z2 Force (fully working, just has some screen burn-in issues).  I have a third phone I could try but it is really old (LG G4) and has been sitting in a drawer for 4 years.






11-18 19:01
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fliptwister
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Flight distance : 22516 ft
United States
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I know this is kind of a dumb question but did you take the case off your S10+? Based on the dimensions of your phone it should fit. The controller should fit a phone up to 160 mm and your phone is 157.6 mm long.

There was someone else on here having problems with the Moto Z3.
11-18 19:11
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cwells
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fliptwister Posted at 11-18 19:11
I know this is kind of a dumb question but did you take the case off your S10+? Based on the dimensions of your phone it should fit. The controller should fit a phone up to 160 mm and your phone is 157.6 mm long.

There was someone else on here having problems with the Moto Z3.

It's a very thin case and one that is really hard to remove, so I left it on.  It seemed like it would be reasonable enough to be able to fly with a thin case... I hate taking tough cases off.  I can give it a try though with it off, let's hope I can pry it out of the case....

And yes I just saw the other post from the person who couldn't use a Z3.  That seems like quite a limitation... the Z phones are awesome phones, no good reason to restrict them.

11-18 19:17
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cwells
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Okay, I got the case off and managed to get the S10+ in there. But... it still won't connect. Although, this time i can see the entire message.  On the Z2, it said "RC not connected to the m..." and I'm like what's an "m"?  On the S10+, it says "RC not connected to mobile device".  Umm. Yes it is!  That cute little cable there, very well snapped into both ends.  This is starting to worry me that it's not going to work.
11-18 19:22
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cwells
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Ugh.  It's definitely not working. Each time I try, it puts up that message with 3 steps I need to do, with 3rd being to turn on the controller. It is on.   I'm guessing it puts this message up because it doesn't see any controller there.

So... how does this work?  Do I have to return the whole thing, or is DJI able to send a new controller or whatever might be wrong?

Note it appears the controller may know about the drone now... it shows a blinking green light.  But, the controller doesn't know about the phone (either one of them).
11-18 19:30
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cwells
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United States
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My wife just got home... she has an iPhone XR.  I just tried that... same thing!  There's no sign of activity between the controller and the phone.  Because this is an iPhone, I used a different cable, so that rules out the cable being the issue.

I also tried uninstalling DJI Fly app and reinstalling it on my Samsung... no good.

If there's some secret hidden thing I'm supposed to do to make it connect, other than turn both on with a cable between them, someone please let me know.  The phone gives me no prompts about USB connection like it normally would with a PC.  I didn't try developer mode, and I don't think I should have to.

11-18 20:31
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DJI Natalia
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Hi there, we are sorry to hear about the difficulties that you encountered. May we confirm the information below for better assistance?
1. The firmware version of your aircraft, remote controller, and the DJI Fly app.
2. A screenshot of the error message in the app.
3. Can the controller control the aircraft?
Thank you in advance.
11-19 01:50
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Zup
New
Poland
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I had the same issue - connected once successfully and then it won't recognize the RC, but clearing DJI Fly app data fixes the problem. This won't help for your issue probably as you tried on few phones, but maybe it will fix issue for someone else.
11-19 02:54
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cwells
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United States
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DJI Natalia Posted at 11-19 01:50
Hi there, we are sorry to hear about the difficulties that you encountered. May we confirm the information below for better assistance?
1. The firmware version of your aircraft, remote controller, and the DJI Fly app.
2. A screenshot of the error message in the app.

1. It would be whatever you shipped it with, and the latest DJI Fly app. This is all new, so nothing is out of date.  The settings to update firmware don't work until the phone connects to the controller.
2. The error is posted above, "RC not connected to mobile device".
3. I have not tried taking off with the controller not connected to the phone.  It is raining heavily yesterday and today.


11-19 05:03
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cwells
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cwells Posted at 11-19 05:03
1. It would be whatever you shipped it with, and the latest DJI Fly app. This is all new, so nothing is out of date.  The settings to update firmware don't work until the phone connects to the controller.
2. The error is posted above, "RC not connected to mobile device".
3. I have not tried taking off with the controller not connected to the phone.  It is raining heavily yesterday and today.

I tried the controller to control the aircraft, but nothing happens.... it won't start.  It alternates between blinking yellow and red, which seems to indicate calibrate compass, which I did. It then blinks slowly green for a short time, then goes back to yellow and red. I am indoors (raining!) so i'm not sure the point of compass calibration or that it will work inside.  But, I would think it should take off without it... my old Phantom will do that.

The screen:


11-19 05:26
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cwells
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United States
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DJI Natalia so I think I need to send this back.  How do I do this?  I would like a refund.  I will wait 6 months or so and see how things look with this and similar drones before deciding again if I want one and which one.
11-19 07:10
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fliptwister
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Flight distance : 22516 ft
United States
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cwells, not sure if  this will help but sometimes I had issue with Spark and phone when I was using cable to connect to phone and also had wifi on on the phone. Probably a long shot but turn off wifi on phone before connecting cable to phone.
11-19 07:20
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Maxi3D
First Officer
Flight distance : 93993 ft
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Have you tried turning on the remote controller first than the Mavic Mini? Same thing happened to me on my first power up.
11-19 07:32
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cwells
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United States
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Maxi3D Posted at 11-19 07:32
Have you tried turning on the remote controller first than the Mavic Mini? Same thing happened to me on my first power up.

I tried several different orders of starting things up.
11-19 07:38
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cwells
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fliptwister Posted at 11-19 07:20
cwells, not sure if  this will help but sometimes I had issue with Spark and phone when I was using cable to connect to phone and also had wifi on on the phone. Probably a long shot but turn off wifi on phone before connecting cable to phone.

That I have not tried... it would seem bizarre if that's the issue, and you'd think something they might want to mention somewhere as a necessary step.  But, stranger things have happened... lemme go try....
11-19 07:39
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cwells
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cwells Posted at 11-19 07:39
That I have not tried... it would seem bizarre if that's the issue, and you'd think something they might want to mention somewhere as a necessary step.  But, stranger things have happened... lemme go try....

Nope... same thing as before.

This is going back!  Once I figure out how... I found a repair link, but I don't want repair... I want to return it.
11-19 07:45
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Alan E
lvl.3
Flight distance : 6457 ft
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Mine connected fine the first half a dozen flights or so and then suddenly would not connect no matter what I tried. Finally I removed the battery from the mini, re booted my phone and started over. Everything connected right up.
11-19 07:49
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cwells
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United States
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Okay this should be simple, but I can't find any way to initiate a return for a refund.  Only a "repair" or "DJI care" (which I have but I want to return it).   I didn't get an email response from them.  And, their phone menu doesn't give any additional options.  Can the "repair" option handle a return?

11-19 13:05
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cwells
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United States
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I found the "livechat" feature.... that did the trick.  He tried troubleshooting it and we eventually concluded what I knew already... it's dead Jim!

So, it's going back.

Sad!
11-19 18:40
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DJI Natalia
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cwells Posted at 11-19 05:26
I tried the controller to control the aircraft, but nothing happens.... it won't start.  It alternates between blinking yellow and red, which seems to indicate calibrate compass, which I did. It then blinks slowly green for a short time, then goes back to yellow and red. I am indoors (raining!) so i'm not sure the point of compass calibration or that it will work inside.  But, I would think it should take off without it... my old Phantom will do that.

The screen:

Hi, thank you for providing the information, please try to download the DJI Assistant 2 For Mavic from DJI official web: https://www.dji.com/mavic-mini/downloads) and check if the firmware can be refreshed or not?
If not, please provide the serial number of your drone and start an online repair request on our official web to send it back. Here is the link: https://repair.dji.com/repair/index?site=brandsite&from=nav
We will do our best to help this out.
11-20 03:47
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JodyB
Second Officer
Flight distance : 9321 ft
United States
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cwells Posted at 11-19 18:40
I found the "livechat" feature.... that did the trick.  He tried troubleshooting it and we eventually concluded what I knew already... it's dead Jim!

So, it's going back.

LOL @ it's dead jim! Thats funny, but not at the same time. I hate that you've experienced that. On a note of sarcasm, did you check the RC to see if it had green blood?
11-20 06:01
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