How to Open Xiaomi Mouse: Instructions with Photos and Repair Tips

Xiaomi’s wireless mice are some of the most popular PC and laptop accessories, thanks to a combination of compactness, design and affordable price. But sooner or later, owners are faced with the question of how to open the mouse case to replace the battery, clean contacts or repair buttons. Unlike many brands, Xiaomi often uses hidden latches and custom mounts, making disassembly a non-trivial task.

In this article, you will find detailed instructions for different models – from the budget Mi Wireless Mouse Lite to the premium Xiaomi Mi Mouse 2, and also learn what errors lead to sensor failure or latches failure in 80% of amateur repairs. We will understand what tools are really needed (spoiler: screwdriver does not always help!), how to avoid damage to plumes and what to do if the mouse stops working after dismantling.

What Xiaomi mouse models can be disassembled independently

Not all Xiaomi wireless mice are disassemblable at home, such as the adhesive-enclosed models (such as some versions of the Mi Compact Bluetooth Mouse) require professional equipment, and here is a list of devices that can be opened without the risk of permanent damage:

• 🖱️ Xiaomi Mi Wireless Mouse Lite – the easiest to disassemble, is mounted on 4 latches.
• 🖱️ Xiaomi Mi Mouse 2 – Latches + screw under the sticker, requires care when removing the upper cover.
• 🖱️ Xiaomi Mi Bluetooth Mouse 2 – similar to Mi Mouse 2, but with an additional mount for the battery compartment.
• 🖱️ Xiaomi Mi Portable Mouse - folding model, disassembled only after removing the metal guides.

Xiaomi Mi Gaming Mouse and Xiaomi Mi Dual Mode Wireless Mouse have a more complex design with additional screws under the legs and the risk of damage to the optical sensor.

Preparation for disassembly: tools and precautions

Before you start, make sure you have everything you need.

• 🔧 Plastic spatula (mediator) or special spudger for electronics.
• 🔧 The screwdriver. PH00 (sticker-barrell).
• 🔧 Tweezers with thin ends (to extract plumes).
• 🔧 Loop or magnifying glass (optional, to inspect contacts).

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Warning: Don't use metal screwdrivers to unplug the latches! Even a little pressure can leave scratches on the plastic or chips on the case. If you don't have a plastic blade at hand, an old bank card will do.

General safety regulations:

• 🔋 Remove the battery (if it is removable) before disassembling.
• 📱 Take a picture of all the details before the work begins.
• 🧲 Keep magnets and small screws in a separate container (for example, in a plastic bottle lid).

How to Open the Xiaomi Mi Wireless Mouse Lite

This is one of the most common and easy to disassemble models.

1. Turn the mouse over and remove the sticker from the bottom of the case (there may be a screw underneath).In the Mi Wireless Mouse Lite, the sticker doesn't usually hide the mounts, but it's best to check.
2. Put a plastic blade in the gap between the top and bottom of the body on the side of the wheel. Carefully run along the seam to separate the latches. Start on the side where there are no buttons, there is minimal risk of damage.
3. Once the latches on one side are snapped, repeat the procedure from the opposite edge. Don't put too much effort into it -- if the body doesn't respond, check if there are any undetected mounts.
4. When the top cover is removed, you'll see a circuit board with a chip, buttons and an optical sensor. Don't touch the contacts with your hands -- static electricity can damage electronic components.

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Warning: In the Mi Wireless Mouse Lite, the wheel plume is often glued to the body with double-sided tape. Don't pull it - gently tuck it with a spatula so as not to tear the contacts off.

Features of disassembly Xiaomi Mi Mouse 2 and Mi Bluetooth Mouse 2

These models are more difficult to disassemble because of the extra mounts, and here are the key differences:

For Mi Mouse 2:

1. Remove the sticker from the bottom of the case - the PH00 screw is hidden under it.
2. Unscrew the screw and gently insert the blade into the slot with a wheel. The latches here are more fragile than in the Lite version.
3. After removing the lid, notice the wheel plume, which is fixed by the clamp. To disconnect it, raise the black lock up (don't pull the train!).

For Mi Bluetooth Mouse 2:

• Remove the rubber legs (the screws are hidden underneath). Use tweezers or a sharp knife, but act carefully so as not to break the rubber.
• Once the screws are unscrewed, disengage the body from the side opposite the buttons, and the latches are most vulnerable.

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If the mouse doesn't turn on after disassembly, check the contacts of the battery compartment. Often the problem is oxidation or contamination of the contacts, wipe them with alcohol and a soft brush.

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes that lead to a mouse breakdown.

• 🔨 Use of metal tools to separate latches → scratches on the body or chipped plastic.
• 🔋 Application of force to the wheel when removing the cover → plume breakage or encoder damage.
• 🧲 Loss of small parts (screws, springs) → The mouse will not be able to properly assemble.
• 💧 Getting liquid on board during cleaning → short-circuit.

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Attention: If you double-click a mouse after assembly instead of a single mouse, it's likely that the spring under the left button is deformed, carefully pull it out with tweezers and straighten it on a flat surface.

How to Clean Your Contacts Correctly:

1. Use a cotton swab dipped in isopropyl alcohol (at least 90%).
2. Do not rub contacts with effort - light bloating movements are enough.
3. To remove dust from the optical sensor, use a spray of compressed air (do not blow with your mouth!).

What to do if the mouse does not work after disassembly

If the mouse does not turn on or behaves incorrectly after assembly, follow the following steps:

1. Check the polarity of the battery. In some Xiaomi models, the contacts are arranged in a non-standard way (for example, "+" on the right, not on the left).
2. Make sure all plumes are plugged in before the click.The wheel plume in Mi Mouse 2 often "passes away" when assembled.
3. If the mouse is not responding to movement, wipe the optical sensor with a dry cotton swab. Dust or fingerprints can block the signal.
4. Reset your mouse settings: Press left + right buttons for 10 seconds (for Bluetooth models).

If nothing helps, you may have a chip or a wireless module damaged, and home repairs are unlikely, so go to Xiaomi's service center.

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In 90% of cases, the failure after disassembly is due to poor contact of the plumes or battery. Before visiting the service center, re-disassemble the mouse and check all connections.

FAQ: Frequent questions about Xiaomi's mouse disassembly