Video transmission loss/freeze/exposure

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Hi all, noobie here. I just wanted to throw out the latest info on my used P3 standard video transmission problems in rural areas, 5 feet away from the drone.
Yes I did crash the drone when I first got it. The camera separated from the drone and ripped the ribbon. I replaced all that and the camera still takes ok pics. I was mainly concerned about killing the gps but it's ok too. This thread is for new drone pilots learning how to fly. So using old drones is perfect for that. If you know how to fix this stuff for the new guys considering the latest firmware updates that would be great.

So I upgraded to drone firmware 1.9.2 and now I find out I shouldn't have. I use a 16gb sd card.
I use DJI Go app 3.1.82
and I run a LG V35 running android v 9. It does not have a SIM card installed

I have a heck of a time getting my drone's wifi to connect. I turn the airplane mode on and off, open and close the dji go app. It takes about ten minutes to connect, obtaining ip address... Once that is connected, I open the app and it may show disconnected for a bit or connected with a frozen video and most times over exposed with zebra stripes. I get the stripes even if the drone is facing away from the sun. But not a black screen (except when still disconnected cause the wifi network dropped off). I try to play around with the camera settings to get a normal pic going but most of the time it's unresponsive. So I am hitting white balance settings or shutter speeds and nothing is happening. I also try resetting the camera settings too. It's hit or miss. It took three flights today just to get a couple of normal pics. It doesn't matter how far away I am from the drone and I am out in the country with no real interference. So I know the camera has the ability to take ok pics it's just that I can't control the settings and of course the video is frozen. And it won't take any pics if the video is frozen.

The connection from the controller to the drone is fair. Every once in awhile I'll get "signal lost". But I just fly back or it just regains the signal. It really hasn't been much of a problem because I don't go too far yet. I don't feel comfortable getting too far away without a video feed. I don't lose control of the drone or the gimbal.

Ive tried all the trouble shooting steps like battery optimization off etc on the phone.

Realistically, is there anyway to downgrade the firmware without bricking it? Now I know there is tons of stuff to read about these transmission problems but since the threads are so old they really don't address the versions I am running. So I did a Grok search and Grok said the latest stable version was 1.7.90 compatible with app version 3.1.5 using Android v 8. You can use Android 9, if you set some permissions, battery optimization, stabilize wifi, clear app data etc. which I have done.

Any help would be appreciated. Its not time for me to get a new drone......yet.
 
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Welcome to the Forum.

Yes, firmware updates are not recommended since the DJI Phantom 3 series is no longer supported by DJI. Downgrading is possible however.

DJI Phantom 3 Standard Accessories & Tips | Phantom Help

Check out msingers site 'Phantomhelp.com' for your downgrade firmware archive. Be sure to select Phantom 3 Standard from the dropdown menu. The firmware archive is at the bottom of the listing.

(I myself use 1.05.07 for my P3 Standards. None of that 'GeoFencing' garbage that DJI imposed from 1.06.08 forward)

Question: When you replaced the camera/gimbal ribbon cable, did you use a DJI OEM part, or a third party part? Non- DJI branded parts like ribbon cables are notorious for being defective or of very poor quality in data transfer.

I'd recommend to only use DJI OEM ribbon cable Part #85. It comes in a smoke-colored bag from DJI. The correct ribbon cable may solve your camera issues.
 

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