Osmo Action 4/3 USB Port Side Cover - Protective Replacement for Osmo

In this review of the Osmo Action 4/3 USB Port Side Cover, the bottom line is simple: this is a practical replacement part for owners of the DJI Osmo Action 4 or 3 who need to protect or restore the camera's USB-C port and MicroSD slot. The reviewer found it delivers the same basic function as the original side cover, is easy to install without tools, and keeps dust and debris out of sensitive ports. It is particularly useful for users who have a damaged or missing side cover and want a straightforward, low-cost fix.

Key Features

• Original fit: This is an original dismantled part that provides a precise fit designed to match the camera's port openings and retain factory alignment.
• Port protection: It protects the USB-C charging port and the MicroSD card slot from dust, dirt, and debris, helping to prolong the camera's service life.
• Easy replacement: The side cover is simple to install and replace without any tools, so users can swap it quickly in the field or at home.
• Lightweight: Weighing only about 40g, the cover adds virtually no bulk or extra weight to the camera when fitted.
• Functional parity: It functions the same as the original cover so charging, data access, and card changes remain straightforward when the cover is removed.

Who It's For

The Osmo Action 4/3 side cover is aimed at owners of the Osmo Action 4 or 3 who need a direct replacement for a lost, damaged, or worn port cover. Photographers and videographers who use their cameras outdoors or in dusty environments will appreciate the protection it offers for the USB-C and MicroSD openings.

It is not aimed at users seeking a cosmetic-perfect, brand-new part; this product is a dismantled original and may show minor surface scratches. Those who require pristine, mint-condition components should look for factory-new accessories.

Pros & Cons

Pros

• Close to original fit and function, restoring port protection and usability.
• Simple installation without tools makes it convenient for quick repairs.
• Lightweight and compact, so it does not alter the camera feel or balance.

Cons

• As a dismantled original part, the appearance may include small scratches or marks that some users might find unacceptable.

Specifications

Product type	Side cover replacement
Compatible models	DJI Osmo Action 4 and Osmo Action 3
Material	Plastic (original dismantled part)
Color	Black
Quantity	1 PCS
Weight	About 40g
Includes	Side cover only

Our Verdict

The Osmo Action 4/3 USB Port Side Cover is a pragmatic replacement for anyone needing to restore port protection on an Osmo Action 4 or 3 without spending much. It offers the original fit and function, easy installation, and dependable protection for the USB-C and MicroSD openings; just be aware the part is dismantled and may show light cosmetic wear. For practical repairs it represents good value.

Frequently Asked Questions

Is this a brand-new part?
Answer. No, it is an original dismantled part and may show minor surface scratches.

Will it protect the USB-C and MicroSD slots?
Answer. Yes, the cover is designed to protect those ports from dust and debris when fitted.

Do I need tools to install it?
Answer. No tools are required; the part is designed for easy installation and replacement.