Same issue here. I'll do something in which hasnt been done on this site concerning the Phantom 4... and ACTUALLY help you fix it DIY... Watch this video. https://www.youtube.com/watch?v=k_1__0lafVk
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You can buy the flat ribbon cable and yaw arm on amazon. Fairly cheap too
Same issue here. I'll do something in which hasnt been done on this site concerning the Phantom 4... and ACTUALLY help you fix it DIY... Watch this video. https://www.youtube.com/watch?v=k_1__0lafVk