Removing the back cover of the Xiaomi Mi 6 is a challenge that owners face when replacing the battery, repairing plumes or cleaning from dust. Despite its apparent simplicity, the procedure requires accuracy: the smartphone body is glued around the perimeter, and improper actions can lead to cracks in glass or damage to internal components. In this article, we will analyze safe ways of disassembling, list the necessary tools and warn against the typical mistakes that beginners make.
The Mi 6, launched in 2017, has become one of Xiaomi’s most popular flagships thanks to its ceramic body and powerful fillings. However, it is the ceramics that make disassembly more risky: the material is brittle and prone to chipping under uneven heating or excessive pressure. If you have never taken apart smartphones before, we recommend that you first read the frequent questions at the end of the article – this will help to avoid 80% of problems.
Preparation for disassembly: tools and security measures
Before you start removing the lid, make sure you have everything you need, and not even one tool can turn a simple procedure into a nightmare with a damaged body or display.
- 🔧 Plastic mediators (2-3 (a) - for separation of the body without scratches.
- 🔥 Dryer or thermo-air station - for softening the glue (temperature 60-80)°C).
- 🧲 Suction - helps to lift the cover after heating.
- 📏 A thin screwdriver (for example, Pentalobe) P2) — screw-tray SIM.
- 🧴 Isopropyl alcohol 90%+ — glue-residue.
- 🧤 Gloves - protection from cuts on the sharp edges of the body.
If you don't have a thermal air station, you'll need a hair dryer, which is a temperature control, and you'll never use an open fire (lighters, gas stove) because it will melt the plastics inside your smartphone and can cause the battery to ignite.
⚠️ Warning: Before disassembling completely turn off the Xiaomi Mi 6 and remove SIM-The battery in the smartphone is lithium, and its puncture or overheating can cause swelling or even fire. If you notice that the battery is already swelling (the cover is raised), do not heat the case - contact the service center.
Step-by-step: how to remove the back cover
The process of disassembling the Mi 6 is divided into 3 stages: heating the glue, separation of the cover and careful removal. Follow the instructions strictly in order - skipping steps can damage the plumes or connectors.
Step 1: Heating the body
The glue that the body is glued with becomes elastic at 60–80°C. Turn the dryer on to medium power and evenly warm the back cover for 2-3 minutes, paying special attention to the edges. Keep the hair dryer at a distance of 5–7 cm from the surface to avoid local overheating.
You can check the glue's readiness by gently pressing the edge of the lid with a plastic mediator -- if it's playing a little bit, you can move on to the next step. Don't overheat your smartphone: if the case gets too hot to touch, let it cool for 1-2 minutes.
Step 2: Separation of the suction lid
Apply the suction cup closer to the bottom edge of the smartphone (where the charging connectors are located). Carefully pull up - the cover should rise by 1-2 mm. If this does not happen, warm up the case for another 1 minute and try again.
Once a gap has appeared, insert a plastic mediator into it and slowly lead along the edge, separating the glue. Don't use metal tools, they will scratch the ceramics. If the lid does not lend itself, do not apply force: you better warm up the problem area again.
Heat the entire perimeter of the hull |
The suction cup is tightly attached to the glass |
Mediator inserted at an angle of 15–20°|
No sudden movements, only a smooth separation-->
Step 3: Complete removal of the lid
Once the glue has separated around the perimeter, carefully remove the lid, holding it by the edges, inside you will see the battery, motherboard and plumes. Don't pull the plumes, they are fragile and can come off the board.
If the lid is not easily removed, check if there are any unheated areas of glue, sometimes it accumulates near the volume buttons or the camera, in which case use the hairdryer and mediator again.
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If you remove the lid, you have traces of glue on the inside, remove it with isopropyl alcohol and soft cloth, which will make it easier to reverse assemble.
Common Mistakes and How to Avoid Them
Even experienced wizards sometimes make mistakes when disassembling Xiaomi Mi 6, we collected the most common of them and explained how to prevent them.
| Mistake. | Effects of consequences | How to avoid |
|---|---|---|
| Use of metal tools | Scratches on ceramics, chips, damage to plumes | Use only plastic mediators and suction cups |
| Overheating of the shell (>90°C) | Deformation of plastic elements, detachment of glass panels | Control the temperature with a thermocouple or by touch |
| Sharp compartment of the lid | Breakage of the display or battery plume | Separate the cover slowly, starting at the bottom edge |
| Attempting to remove the cover without heating | Glass cracks, damage to the glue layer | Always warm up the glue before disassembling |
Another common problem is the damage to the seal rubber around the volume and power buttons, which protects the smartphone from dust and moisture (although the Mi 6 does not have official IP protection). If the rubber ring breaks, replace it with a new one before assembly.
⚠️ Warning: If you notice that the battery is blown up after removing the lid (seen on a convex surface), do not continue disassembling. The bloated battery may burst at the slightest pressure.
What to do after removing the lid: maintenance tips
When the lid is successfully removed, you can access the internal components of the Xiaomi Mi 6.
- 🔋 Battery replacement is the most common reason for disassembly. The original battery has a capacity of 3350 mAh (article). MBJ4024).
- 📸 Camera cleaning – dust on the module can degrade the quality of the photo. Use a soft brush or compressed air balloon.
- 🔌 Checking plumes – if the display flashes or touchscreen is not working well, inspect the connectors on the motherboard.
- 🧹 Dust removal - the accumulation of dust under the lid can overheat the processor. Use an antistatic brush.
If you are planning to replace the battery, remember: the new battery should be of the same capacity and voltage (3.85V). Using non-original batteries with different parameters can lead to rapid degradation or even fire.
How to check the originality of the battery?
Smartphone Assembly: How to properly seal the lid back
Reverse assembly is as important as disassembly, and if you stick the lid in the wrong way, you can get dust or moisture inside, and the lid will eventually fall off.
- Clean the edges of the case and the lid of the old glue with isopropyl alcohol. Dry for 5-10 minutes.
- Apply a new adhesive around the perimeter of the lid. For the Mi 6, a 3M 9448A double-sided tape tape or a B-7000 liquid adhesive will do.
- Carefully align the lid with the body, starting at the top (where the camera is located).
- Place your smartphone under a press (for example, between two books) for 1-2 hours for better grip.
After assembly, check the performance of all buttons, display and wireless modules (Wi-Fi, Bluetooth).If something does not work, disassemble the smartphone again and check if the plumes are clamped.
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Use only specialized adhesive for electronics. Regular superglue or scotch can damage plastic parts during subsequent disassembly.
When is the best time to contact the service center
Despite the fact that the dismantling of the Xiaomi Mi 6 is possible at home, there are situations when it is better to trust the professionals:
- 💥 Battery bloated or leaking - the risk of fire is too high.
- 🔧 Requires replacement of chips on the motherboard (for example, the power controller).
- 📱 The display broke, and shards of glass got inside the case.
- 🔌 After disassembly, the smartphone does not turn on or charge.
The cost of dismantling in the service center is usually 500-1500 rubles (depending on the region), which is not so expensive, given the risks of damage to the smartphone during self-repair, for example, replacing the plume of the display will cost 2-3 times more than professional disassembly.
If you have decided to disassemble the Mi 6 yourself but are having trouble, feel free to ask for help. Many service centers offer a service of "partial disassembly" - when the wizard helps to remove the lid, and further repairs you carry out yourself.