How can you record gameplay from both screens on the Nintendo DS?

How can you record gameplay from both screens on the Nintendo DS? - Pink And Black Nintendo DS

My question is how can you record game-play from both screens on the Nintendo DS?
Not the 3DS

nintendo-ds

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How can you record gameplay from both screens on the Nintendo DS? - From above of white drone gadget placed near electronic devices with controller and smartphone during home recording lesson in daytime

How can you record gameplay from both screens on the Nintendo DS? - Top view of modern action camera and smartphone with black screen placed on wooden table near leaves of fake plants

How can you record gameplay from both screens on the Nintendo DS? - Buttons of modern music console

How To Record Nintendo DS Emulator Screens With OBS Studio OR Streamlabs (1080p)

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Images: Stas Knop, Pok Rie, Pok Rie, Caleb Oquendo