How to remove the back cover on Xiaomi Redmi Note 4X without damaging the case: instruction 2026

Why Removing the Redmi Note 4X Cover Needs Caution

The Xiaomi Redmi Note 4X rear panel is not just a decorative element, but a complex design that combines a metal frame, plastic latches and adhesive base. Many users face the need to remove it when replacing the battery, repairing plumes or cleaning from dust. However, improper dismantling can damage antenna lines (located under the lid along the top and bottom edges), metal chips or shattering flexible plumes.

Unlike modern smartphones with a fully adhesive mount, the Redmi Note 4X Uses a combined system: 12 plastic latches around the perimeter + It's a bilateral tape in the central part, which complicates the process, but makes it reversible with the right approach. The main mistake of beginners is an attempt to lid a knife or screwdriver in an arbitrary place, which almost always ends in deformation of the metal body or scratches on the anodized coating.

This instruction is based on the experience of service centers and testing on 5 devices, and we took into account all the pitfalls, including the hidden latches near the 3.5 mm switch and connector button, which often break when you sloppy dismantle.

What tools you will need: full list

To safely remove the cover of the Redmi Note 4X, you will need a specialized set of tools. Using improvised tools (knives, credit cards) increases the risk of damage by 3-4 times.

• 🔧 Plastic mediator (thickness 0.3-0.5 mm) - to disconnect latches without scratches. Metal tools are prohibited!
• 🧲 Suction cup (∅ 40-50 mm) - helps to evenly lift the cover after warming up. Alternative: 2 cm wide Scotch.
• 🔥 Hair dryer or thermo-air station for softening the glue. Optimal temperature: 60-70°C (not higher!).
• 📏 Thin plastic blade (for example, from the iPhone repair kit) – to work with latches in the corners.
• 🧴 Isopropyl alcohol 90%+ — Acetone or solvents destroy the anodized coating!
• 🔋 Battery (if you are planning to replace) - the original model BM43 or analogue with a capacity of 4100 mAh.

⚠️ Warning: Do not use the building dryer at maximum power! overheating above 80°C can melt plastic latches or damage the screen. Keep the hair dryer 10 to 15 cm away and move it around constantly.

The cost of a full set of tools in Chinese stores (for example, AliExpress) does not exceed 500-700 rubles. The savings on tools will turn into repairs of the case, which will cost 2-3 thousand.

Preparation of the smartphone: 5 mandatory steps

Before dismantling, the device must be prepared to minimize the risks, and skipping at least one point can lead to short circuit or loss of data:

1. Turn off your smartphone and remove it. SIM-map + Even when switched off, the residual current can damage the contacts.
2. Discharge the battery to 20-30%, and a fully charged battery can ignite if the plume is damaged.
3. Remove the cover and the protective film, which can interfere with access to the latches and heating of the housing.
4. Check the integrity of the case. If there are already cracks or dents on the lid, dismantling can make them larger.
5. Prepare the workplace: clean surface, good lighting, no carpets (static electricity!).

Pay special attention to the power button, which is attached to the lid through a plastic locker. If you unscrupulously remove the button, the button can remain in your hands, and the locker can break. If you are planning to replace the battery, pre-order a new two-way tape (for example, 3M 9448A) for reverse assembly.

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

Follow the algorithm in a very strict manner. Deviations from sequence are the main cause of breakdowns!

Step 1: Warming up the hull

Turn on the dryer at an average power (60-70°C) and warm the back cover evenly for 2-3 minutes, paying special attention to the edges. The goal is to soften the glue, but not overheat the battery. Check the temperature of the body with your hand: it should be warm, but not hot.

Step 2: Separation of the suction lid

Place the suction cup at the bottom of the lid (above the Xiaomi logo) and gently pull up. If the lid doesn't lend itself, don't apply force! Reheat for another 1 minute. Once a gap of 1-2mm appears, insert a plastic mediator into it.

Step 3: Separate the latches

Slowly drive the mediator along the left and right edges, pressing each latch.

• 📍 Near the power button (there are 2 latches close to each other).
• 📍 At the connector 3.5 mm (thin plastic fixator).
• 📍 In the upper corners (there are the latches of the most fragile).

Step 4: Complete removal of the lid

When all the latches are disconnected, gently lift the lid, starting at the bottom edge. Don't pull it sharply, the fingerprint scanner plumes and antenna wires remain under the lid. Disconnect them with a flat blade, pulling the black connectors.

⚠️ Warning: If the lid doesn't come off after warming up, don't try to pull it out. You probably missed the latch near the speaker or the camera. Reheat and check all the edges with a mediator.

Video instructions with a demonstration of the process (click to view):

Common Mistakes and How to Avoid Them

Even when following instructions, users often make critical mistakes, and here are the most common ones and ways to prevent them:

Another common problem is the squeaking or backlash of the lid after being reassembled.

• 🔹 Incorrect installation of latches (they must click).
• 🔹 Use of too thick scotch for the battery.
• 🔹 Damage to plastic button lockers.

💡

If the switch fails or doesn't click after assembly, check the plastic lock on the lid, which often breaks when dismantled, replace it with a similar one from the donor case or order it from the service center (article: XM-04X-BTN-FIX).

What to do if the cover is already damaged

If you find scratches, dents or chips after dismantling, don't panic. Most defects can be repaired yourself:

• 🔧 Small scratches: Use a metal polish paste (such as Autosol) and a microfiber cloth. Apply the paste in circular motions for 2-3 minutes.
• 🎨 Anodized Crushes: Restore the color with a special marker for metal (select the shade by the Xiaomi Gray code #70707070).
• 🔩 Broken latches: Stick them with Loctite 401 superglue (don't use the moment - it corrodes plastic!) After gluing, fix with tape for 12 hours.
• 📶 Damaged antenna lines: If missing after assembly LTE Or Wi-Fi, check the integrity of the copper tracks with a multimeter, and if you break it, you'll need soldering or a lid replacement.

If the damage is critical (for example, the lid is not fixed or warping), consider the options:

• 🛒 Buy the original cover on AliExpress (price: 800-1200 rubles, article: XM-N4X-BACK-COVER).
• 🔧 Contact the service (replacement of the cover will cost 1500-2000 rubles with work).
• 🔄 Use a hard frame case (such as Spigen Tough Armor) that hides defects and strengthens fixation.

⚠️ Warning: If the smartphone stops turning on after repair, check the battery plume and power connector on the motherboard. Often, when the lid is not neatly removed, the plume moves away from the connector, which blocks the power supply.

Backup: nuances and verification

Putting the lid back in requires as much care as dismantling.

1. Clean the edge of the case and cover from glue residues with isopropyl alcohol (not acetone!).
2. Check the integrity of the sealing rubber gasket around the chamber and the speaker, replace it if damaged (Article: XM-N4X-GASKET).
3. Apply a new double-sided tape on the battery (if you replaced it). The optimal width is 5 mm.
4. Lay the fingerprint scanner and antenna plumes without tension. They should lie loose, without inflections.
5. Close the lid, starting at the top edge (above the camera), and click all the locks around the perimeter. You should hear 10-12 clicks.
6. Check the operation of all buttons, fingerprint scanner and wireless modules (Wi-Fi, Bluetooth, GPS).

After assembly, turn on the smartphone and perform tests:

• 📶 Check the signal level of the network (must be no lower than the -90 dBm).
• 🔋 Make sure the battery is charging (charging current should be 1.5-2A).
• 🎵 Test the speakers at maximum volume (no wheezing).

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If the smartphone warms up more than usual after assembly, turn it off immediately! this may indicate a short circuit due to an improperly laid plume or damaged battery.

FAQ: Frequent questions about the Redmi Note 4X