Android Video Color Banding
1492 4 2017-2-20
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fans3e0b42c1
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United States
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How can I resolve this?



Nvidia Shield K1, DJI Go 4, latest firmware all around.  DJI forces users to update App and Firmware, and breaks the product in the process.  It wasn't broken before, now it's broken.  This is unacceptable!
2017-2-20
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Cetacean
First Officer
Flight distance : 2528264 ft
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United States
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Aloha fans3e,

     Good choices all around.  Now, let us solve this problem.  First no product is broken.  BTW, you did not mention what Phantom you are flying.

     This problem happens when the video transmission system gets stressed.  You are using one of the best Android devices available, so your problem is not the device or products, it is in the settings.  If this is occurring while the HD options are set to Auto, then you might want to consider reinstalling the firmware and possibly uninstalling and reinstalling the DJI GO 4 app.  Be sure to restart between the uninstall and the install.  The firmware can be refreshed using DJI Assistant 2 if you have a P4.  If you have a P3P or a P3A, you should be using the DJI GO app, not the DJI GO 4 app.

     This problem goes all the way back to the P3 Advanced and Pro.  The color banding is the same color banding you will see on your home TV occasionally (if it is an HD TV).  A good way to define your problem is to go into HD mode and look to see if it is set to "Auto".  Auto will be in Blue.  If it is not in blue, tap on Auto and restart the system and see if it improves.

     If you still have a problem, tap on "Custom".  If you are using 2.4GHz, you will see 8 channels to choose from.  Look for the strongest and most stable signal, then enter the channel into the selection.  Be sure to set the "Bitrate" down at least one notch.  With P3Ps you set it all the way down to 4 Mbps, but the P4s only go down to 6 Mbps.  These settings only apply to the Live Feed option.  These changes should get rid of the color banding.  But the fact that you had to make these changes means something, so please report back to us.

     Hope this helps!

Aloha and Drone On!
2017-2-20
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johnsr
lvl.4
Flight distance : 1579022 ft
France
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I had a similar problem of video noise bands on a Nexus 9 android tablet after recent updates; I solved it by rolling back to an earlier version of the RC controller firmware (while keeping the most recent versions of DJI GO and aircraft firmware). The link to that post FPV reception problems...
Best of luck!
2017-2-21
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Peo
Second Officer
Flight distance : 25409177 ft
Sweden
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Yaaaa Thanks Johnsr
2017-2-21
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adrian8891
lvl.4
Flight distance : 2643110 ft
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Luxembourg
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Hey.
If You're US user, then just click "HD" icon on up side of screen, and slide video quality to 4 or 6 Mbps. This should resolve problem.
2017-2-21
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