Need Help Replacing Rear Left Arm (Plastic Only) on DJI Mini 4 Pro – No Motor Swap

Mini 4 Pro
1

Hi everyone,

My DJI Mini 4 Pro’s rear left arm (the plastic part only) broke recently. The motor is completely fine and still working, so I ordered just the plastic arm replacement (without a motor). I’ve attached a photo of the replacement part I bought.

I’m trying to replace it, but I can’t figure out how to detach the original plastic arm from the drone. All the videos online show front arm replacements, or full disassembly all the way to the motherboard with soldering, which I’m trying to avoid.

My goal is to simply swap the broken plastic arm without touching the motor, wires, or internal components. No soldering, no motherboard teardown — just a clean mechanical arm replacement if possible.

:camera_flash:

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Has anyone done this before?
Is there a way to remove the rear arm (plastic only) without cutting the wires or taking apart the whole drone?

Any guidance or tips would be truly appreciated!

Thanks in advance :pray:

1 Like
2

This might not be the perfect video, but if it isn't check out the other videos on YouTube…

3

Thanks for your answer, but I’ve seen this video. I don’t want to open the entire drone. Only the outer plastic part will be replaced.

4

But you need to get inside to solder the motor wires to the Electronic Speed Control (ESC)… You can also try searching DJI’s Web Site, other Drone Web Sites, and independent posted videos on web pages…

Good Luck!
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