How to Open the Back of Xiaomi Devices: Phones, TV and Routers

Xiaomi’s back is not just a decorative element, but a protective barrier that hides the internal components from the battery in smartphones to the control boards in TVs. However, not everyone knows that improperly removing the lid can damage the latches, break plumes or even lose warranty. This article will help you understand how to safely dismantle the rear panel on various devices of the brand – from Redmi Note 12 to Mi Q2.

We'll look at not only universal methods, but also nuances for specific categories of technology. For example, Xiaomi smartphones after 2021 often have adhesive battery mounting, which requires a special approach when disassembling. And in the Mi TV series A, the back cover can be fixed with screws under a special screwdriver Torx T8. To avoid errors, read carefully!

Preparation: security tools and measures

Before you start disassembling, make sure you have everything you need, and without the right tools, you risk scratching the body or breaking the plastic fixtures, and here's the minimum set:

• 🔧 Plastic mediators (or guitar mediators) – to disconnect latches without scratches.
• 🔩 Screwdriver kit: cross-haired (PH00), flat, torx T5/T8 (router).
• 🧲 Magnetic mat or container – so as not to lose screws.
• 🔥 Hair dryer or thermoair station - for softening glue (relevant for smartphones).
• 📱 Suction - will help lift the lid on smartphones with glue mount.

Also, prepare the workspace: the desk should be clean, the lights bright. Turn off the power (remove the battery in your smartphone or remove the plug from the TV/router socket). If you disassemble the phone, make a backup of the data — if you carelessly handle the plumes, there is a risk of damaging memory.

⚠️ Note: Disassembly of the Xiaomi device will cancel the warranty itself if there are traces of opening on the case (for example, broken warranty stickers.

How to open the back cover of the Xiaomi smartphone

Xiaomi smartphones are divided into two categories by the type of mounting the rear panel:

1. Latches (most Redmi and POCO models until 2020)
2. Glue + latches (Flagships Mi, Redmi Note 10/11/12, POCO F3/4/5).

For devices with adhesive mounting (for example, Xiaomi 13 Pro or Redmi Note 12 Pro+) will require heating the case to 60-80 ° C. Use a dryer at minimum power, evenly warming the edges of the phone for 2-3 minutes. Do not overheat - this can damage the screen or battery!

Turn off the phone and remove it. SIM-map

Warm up the edges of the back panel with a hairdryer (if glue fastener)

Insert a plastic mediator into the gap between the case and the cover

Carefully drive the mediator around the perimeter, snapping the locks

Lift the lid with a suction cup (if there is resistance)-->

Start at the bottom of the phone (near the USB-C connector), as it usually has the least number of latches. If the lid fails, don't force it, check if all the latches are snapped. In tubeless models (such as the Xiaomi 12S Ultra), the back panel can be glued especially strongly due to dust and moisture protection (IP53).

⚠️ Note: In smartphones Xiaomi with NFC-An antenna (like the Redmi Note 11 Pro) is often located under the back cover, and if you remove it in a careless way, you can damage the antenna, which will lead to the failure of contactless payment.

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If the back panel of the smartphone cracked when removed, do not try to glue it with superglue - this will worsen the antenna signal.

Separation of Xiaomi TVs: nuances and risks

Mi TVs and Redmi TVs are more complex than smartphones, where the back panel is usually mounted on screws (from 4 to 12 pieces) and can be connected to the screen frame, the main danger is to damage the matrix or backlight if you carelessly handle.

Before the start of the work:

• 📺 Turn off the TV from the socket and wait for the discharge of the capacitors (10-15 minutes).
• 🪛 Place the TV screen down on a soft surface (such as a blanket).
• 📏 Take a picture of the location of the screws – they may differ in length!

In the Mi TV Q1/Q2 and Redmi X50, the back cover often consists of two parts: a metal screen module and a plastic casing. First, plastic is removed (Torx T8 screws), then the metal frame is neatly detached. Be careful with the matrix plumes - they are fragile and easily break when sudden movements.

Pay special attention to models with quantum dots (for example, Mi TV QLED 75) and their matrixes are sensitive to static electricity – before working, touch an earthed object (for example, a heating battery) to remove static charge from your hands.

Opening the case of Xiaomi routers: easier than it seems

Xiaomi routers (Mi Router 4A, AX3600, Redmi Router AC2100) are the easiest to understand, their body usually consists of two plastic halves, fastened by latches and sometimes 1-2 screws under rubber legs.

Algorithm of action:

1. Turn the router over and remove the rubber stickers-legs (there may be screws below them).
2. Insert a plastic mediator into the gap between the halves of the case.
3. Carefully circle the mediator, snapping the locks. Start with the side opposite the LAN/WAN ports.
4. Lift the top cover - it should separate effortlessly.

Inside, you'll see a board with antennas, ports and a radiator. Be careful with a micro-switch (if any) - it can break off if you carelessly handle it. In models with external antennas (such as the Xiaomi AX6000), they can be unscrewed for better access to the board.

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Xiaomi routers often use propellers with custom threads (such as Tri-wing). If the screwdriver does not fit, do not try to unscrew by force, buy the desired bit.

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes make disassembly mistakes, and here are the most common ones:

• 🔌 Forgetting to turn off power – this can lead to short circuits (especially in TV and routers).
• 🔥 Overheat the body with a hair dryer - the plastic is deformed, and the glue can dry even more.
• 🔩 Lose screws or confuse them with places - this is fraught with damage to boards during assembly.
• 📱 Pull behind the plumes – in smartphones, the plume of the display or camera is easy to tear off.
• 🧲 Use metal tools – they can scratch the body or close contacts.

Another common problem is that warranty stickers are damaged, and in some models (such as the Xiaomi 12T), they are located under the back cover, and if the sticker is torn, the service center may refuse warranty repairs, even if the breakdown is not related to your actions.

To minimize the risks:

• 📸 Take photos of each stage of disassembly – this will help with the reverse assembly.
• 🧴 Use isopropyl alcohol to remove glue residues (not acetone!).
• 🔄 Check all connectors before turning on the device after assembly.

When you don’t need to be disassembled: alternative solutions

Before you start the screwdriver, make sure that the disassembly is really necessary. In many cases, the problem can be solved without opening the case:

• 🔋 Does the smartphone not turn on? try charging with another cable or check the power button (sometimes it sticks).
• 📺 TV not responding to remote? reset to factory settings via Settings → About the device → Reset.
• 📶 Router does not give away Wi-Fi? Update firmware through the web interface (192.168.31.1).
• 🔊 Distorted sound in the dynamics? In smartphones Xiaomi often helps to clean the connector USB-C (The dust blocks the contacts).

If the purpose of the disassembly is to replace the battery, check if Xiaomi offers an official exchange program, for example, for Redmi Note 9 and later in some regions there are discounts for replacing the battery in service centers.

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Before disassembling the router for dust cleaning, try blowing it with a compressor or vacuum cleaner at minimal power, often enough to restore performance.

FAQ: Answers to popular questions