How to carefully remove the back cover on Xiaomi Redmi: instructions with photos and warnings

Disassembling the Xiaomi Redmi smartphone is a challenge that owners face when replacing the battery, repairing the camera or cleaning from dust. However, improper removal of the back cover can damage the plumes, cracks in the case or loss of leakage. In this article, we will examine all the nuances of the process, from the choice of tools to step-by-step instructions for different models of the Redmi series (including Note, Pro and K-series).

Particular attention will be paid to the typical mistakes that beginners make – for example, using inappropriate mediators or trying to lid the wrong side. You will also learn how to avoid damage to antenna lines (relevant for models with a metal body) and what to do if the cover is stuck to the glue. 4X, The new Redmi Note 13 Pro+.

Preparation: security tools and measures

Before you start disassembling, make sure you have everything you need, and not even one tool can turn a simple procedure into a nightmare with broken latches.

• 🔧 Plastic mediator (or guitar mediator) - for tidy lid tweaking. Metal instruments are prohibited!
• 🔥 Dryer or thermo-air station - for softening the glue (temperature 60-80)°C).
• 🧲 Suction cup – will help to separate the lid from the body after heating.
• 📦 Container for screws - so as not to lose small parts (relevant for models with screws under the lid).
• 🧴 Isopropyl alcohol (90%+) — glue-residue.

Important: if you are dealing with Redmi IP-Certification (e.g. Redmi Note 12 Pro)+), Keep in mind that after the lid is removed, the water resistance will be impaired (LOCTITE 406 or analogues).

⚠️ Warning: Do not use a knife or screwdriver to lash the lid! even a slight pressure of metal leaves microcracks on the plastic, which over time lead to splitting of the body.

Step-by-step: how to remove the cover without damage

The process of removing the lid varies depending on the body material and the method of attachment. Below is a universal algorithm suitable for 90% of Xiaomi Redmi models.

Step 1: Turn off and heat the smartphone

Turn off the device and remove it. SIM-map + Next, heat the back cover evenly with a hairdryer for 2-3 minutes, holding it at a distance of 10-15 cm!

Step 2: Separation of the cover

Apply a suction cup to the bottom of the case (near the USB-C connector) and pull up slightly. Insert a plastic mediator into the resulting slot and carefully steer it along the edge, separating the latches. Take your time! On models with a metal case (Redmi K40), the latches can be tight.

Is the smartphone off?|Whether extracted SIM-map?|Will the body be heated with a hairdryer?|Ready to mediator?-->

Step 3: Working with glue

If the lid doesn't lend itself, the glue hasn't softened enough. Reheat for another 1-2 minutes, paying attention to the corners. On Redmi Note 11 and newer models, the glue is spot-on, look for sticky areas near the camera and antenna lines.

⚠️ Attention: Redmi K-series models have flexible antenna contacts under the lid, and if they are damaged, the signal will deteriorate. 4G/5G and Wi-Fi! 💡If the cover does not separate after heating, try putting the smartphone in warm water (40–50°C) on 5 It'll soften the glue without the risk of overheating the internal components, and how to avoid them, even experienced craftsmen sometimes make mistakes when disassembling Xiaomi Redmi. TOP-5 Problems and ways to prevent them: 🔨 Broken latches are caused by the use of metal tools. Solution: plastic mediators only! 🔥 Overheating of the body - the hair dryer is too close or warms for a long time. 10–15 no more 3 minute. 📶 Antenna damage - typical for Redmi K40/K50. Solution: to pull the cover from the opposite side of the antennas. 🔋 Rip battery plume – if you pull the lid too hard. Solution: pre-disconnect the battery (if available). 🧴 The residues of the adhesive on the body, which worsen the adhesion when reassembled, the solution is to clean with isopropyl alcohol, and you have to be especially careful with models where the lid is attached with screws under decorative plugs (for example, the Redmi Note 8 Pro), which are easy to break if you try to tamper with them. What if the lid cracks? If the lid cracks, but it still holds, you can temporarily lock it with cyanoacrylate glue (like Super Moment), but this solution is short-lived, and the next time you repair it, you have to replace it. For full repair, order the original cover on AliExpress (the article can be found on the model). + "Back cover features on popular models Each Xiaomi Redmi series has unique nuances of disassembly. Consider the most common models. Redmi Note 10/11/12 The lid is glued. + The main difficulty is the brittle plastic around the camera, and it is recommended to start separation from the bottom edge (near the bottom edge). USB-C). Redmi 9/9A/9C One of the easiest models to disassemble is the glue is weak, but the latch is a lot, it takes patience. Importantly, don't pull the lid up, but move it to the side. K40/K50 Difficult to disassemble due to the metal body and antenna lines. Use the thermal paste to heat evenly. K50 Gaming additionally has screws under the cover (need a screwdriver). T3). Redmi 8/8A The lid is attached to bilateral tape, which eventually loses its adhesiveness, and the main problem is the fragile plume of the fingerprint scanner, which is easy to tear off. 💡On the Redmi Note models 12 Pro+ And newer, ultraviolet glue, it requires a UV lamp to soften it (365 nm) or specialized solvent. How to put the lid back: assembly tips Successfully remove the lid - half the case. It is equally important to properly install it back, so that there are no backlashes and maintain tightness. 🧴 Surface cleaning – remove old glue with isopropyl alcohol from the case and cover. 🔧 Applying New Glue – Use Bilateral Scotch 3M (0.2 mm thickness) or liquid adhesive LOCTITE 406. 🔥 Fixing – after gluing, put the smartphone under the press (for example, a stack of books) for 1-2 hours. 🔌 Functional check - after assembly, check the camera, antennas and sensors. IP-Certification (e.g. Redmi Note 12 Pro)+) You can also apply the sealant around the perimeter of the lid, and Silicone Sealant or specialized electronics formulations will do. ⚠️ Warning: If the smartphone does not turn on after assembly, check the battery plume and connectors on the motherboard. Often the problem lies in poor contact. When to contact the service center Despite the seeming simplicity, some situations require professional intervention: 🔧 The lid cracked when removed - self-repair can aggravate the problem. 📶 After disassembly, the network signal or Wi-Fi was lost - antenna lines were probably damaged. 🔋 The battery is swelling, it's dangerous. Don't try to remove the lid yourself. 💧 Smartphone hit the water – requires a full diagnosis for corrosion. 🔌 The touchscreen or display does not work after assembly, there may be problems with the plumes. The cost of replacing the cover in the Xiaomi service center varies from 1,500 to 4000 rubles depending on the model. The original cover on the Redmi Note 11 costs about 1,200 rubles on AliExpress, but its installation requires experience. 💡Before visiting the service, make a data backup and remove the pattern lock / password (if the screen does not work, this can complicate repairs). FAQ: Theoretically, yes, but the risk of damage is much higher. The glue on modern Redmis is very strong, and without heating you will break the latches. The alternative is to put your smartphone on the heating battery for 10-15 minutes. What's the difference between the Redmi Note and the Redmi K-series? Redmi Notes typically have a plastic case with latches, whereas K-series are a metal case with glue and screws. The latter require more care because of the risk of damaging antennas and plumes. How do you know if the lid is glued to UV glue? UV glue is used on models in 2022 and later (for example, the Redmi Note 12) and has a characteristic purple hue when illuminated by a UV lamp. It requires a special solvent or a UV lamp to soften it. Can you use superglue to reassemble it? Absolutely not! Superglue (cyanoacrylate) crystallizes over time and can damage the plastic. Use only special glue for electronics (e.g., superglue, LOCTITE 406) or double-sided tape. What if the vibration doesn't work after assembly? Probably the vibrator's plume has gone away or it was damaged during disassembly. Take the smartphone apart again and check the connector on the motherboard. If the motor is faulty, it can be replaced (cost) ~300-500 rubles).