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Remote control error in flight
1995 11 2018-10-23
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Lex_Luchor
Second Officer
Flight distance : 72514 ft
Spain
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Hi everyone!

Since last remote firmware update, I have a sporadic problem with remote control connection to phone. I am flying (Always with OTG connection) and a connection error message appears with the remote control. I can continue controlling the drone with the remote control but the app remains disconnected. Until I turn off and turn on the remote control it is not possible to reconnect it to the mobile.

This had never happened to me before the last firmware update of the remote control.

In the flight records I don't see anything, but at the top of the app I see a remote control error and the app is disconnected:

Flight with remote controller error:
http://www.phantomhelp.com/LogViewer/J7X1G05NEJRRFQQE0FE5/

Flight without incident:
http://www.phantomhelp.com/LogViewer/E6ISAZRD9HCH9PB4UEZW/


What can I do? Soon I will go on vacation and it is dangerous to fly like this.

Thanks!
2018-10-23
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DJI Natalia
Super Moderator

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Hi, we're sorry for any inconvenience caused. May I know what mobile device are you using? Have you tried to check if the OTG cable was properly connected? Also, can you please try to refresh the firmware of your drone and re-link your device? If the issue persists, please let us know. Thank you.
2018-10-23
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Lex_Luchor
Second Officer
Flight distance : 72514 ft
France
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DJI Natalia Posted at 2018-10-23 11:14
Hi, we're sorry for any inconvenience caused. May I know what mobile device are you using? Have you tried to check if the OTG cable was properly connected? Also, can you please try to refresh the firmware of your drone and re-link your device? If the issue persists, please let us know. Thank you.

I am using a Google Pixel 2 XL with Android 9. I will try refresh firmware.

Could this problem be stored in the drone's blackbox? How can I upload the information so you can analyze it?
2018-10-23
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Ben Mason
Second Officer
Flight distance : 610457 ft
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United Kingdom
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Lex_Luchor Posted at 2018-10-23 23:31
I am using a Google Pixel 2 XL with Android 9. I will try refresh firmware.

Could this problem be stored in the drone's blackbox? How can I upload the information so you can analyze it?

The flight you have given "with incident" doesn't seem to have any disconnection issues listed in the flight record, at least not that i could see, if you are having issues it might be a compatibility issue, makes sure your phone and the DJI GO 4 APP is up to date, the google pixel 2 XL should be compatible.
Have you tried the RC in WiFi mode ?
2018-10-24
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DJI Natalia
Super Moderator

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Lex_Luchor Posted at 2018-10-23 23:31
I am using a Google Pixel 2 XL with Android 9. I will try refresh firmware.

Could this problem be stored in the drone's blackbox? How can I upload the information so you can analyze it?

Hi, thanks for your response. If the issue persists after you refresh the firmware of your drone, please try to use a different device. Also, if you wish to check your flight data, you'll need to sync your flight data first and you will need to send it in for data analysis. We have a professional analysis team who will help to figure out the reason. Thanks.
2018-10-24
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JJBspark
Captain
Flight distance : 1084594 ft
Netherlands
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Ben Mason Posted at 2018-10-24 03:32
The flight you have given "with incident" doesn't seem to have any disconnection issues listed in the flight record, at least not that i could see, if you are having issues it might be a compatibility issue, makes sure your phone and the DJI GO 4 APP is up to date, the google pixel 2 XL should be compatible.
Have you tried the RC in WiFi mode ?

Hi Ben,

If a mobile device is disconnect from the RC no data is written in the flightlog.
So my guess is that in this "with incident" flight after 2m0s the device went 'black'.

cheers
JJB
2018-10-24
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Ben Mason
Second Officer
Flight distance : 610457 ft
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United Kingdom
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JJBspark Posted at 2018-10-24 11:01
Hi Ben,

If a mobile device is disconnect from the RC no data is written in the flightlog.

You are correct, too used to reading DAT files where the flight doesn't end unless power is removed.
2018-10-24
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davidmartingraf
Captain
Flight distance : 22874766 ft
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United States
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Nicely done - thanks again for sharing.
2018-10-24
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S-e-ven
Captain
Flight distance : 3492229 ft
Thailand
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I'd try an older app version, 4.2.21 is very stabil in my devices!
2018-10-25
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B_Martin_0514
lvl.1
Flight distance : 6101 ft
United States
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I got a DJI Spark with remote for Christmas. I went out yesterday to fly (3rd flight ever), and I received the same error during flight 4-5 times. This was very disconcerting for a new pilot to lose video feed and app connection with the drone off in the distance. Luckily I was able to find my way back home manually, as Return to home function did not work. I am also using a Pixel 2 XL, Android 9, latest DJI firmware. Has there been a solid resolution to this issue? Thanks!
1-6 14:17
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Daniella3d
lvl.4
Canada
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B_Martin_0514 Posted at 1-6 14:17
I got a DJI Spark with remote for Christmas. I went out yesterday to fly (3rd flight ever), and I received the same error during flight 4-5 times. This was very disconcerting for a new pilot to lose video feed and app connection with the drone off in the distance. Luckily I was able to find my way back home manually, as Return to home function did not work. I am also using a Pixel 2 XL, Android 9, latest DJI firmware. Has there been a solid resolution to this issue? Thanks!

Return home did not work??? why? it should have worked unless your Spark went into ATTI mode. Even if it disconnect from the remote it will return home, unless in ATTI. If it was in ATTI, you were lucky to get it back.
1-6 14:48
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B_Martin_0514
lvl.1
Flight distance : 6101 ft
United States
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Daniella3d Posted at 1-6 14:48
Return home did not work??? why? it should have worked unless your Spark went into ATTI mode. Even if it disconnect from the remote it will return home, unless in ATTI. If it was in ATTI, you were lucky to get it back.

Nothing on the controller worked but the flight sticks! Trust me, Return to Home was the first button I hit when the error came up and I lost video feed. I was sweating bullets.
1-10 11:27
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