Xiaomi Redmi 6 smartphones have proven to be reliable budget devices, but over time, even the most durable equipment requires maintenance. Owners often face the need to replace a broken screen, a battery that has lost capacity, or a microphone. To perform quality repairs, you need to know how to properly and safely remove the rear panel without damaging the fragile case.
The process of disassembling this device has its own peculiarities related to the design of the plastic case and the location of the internal plumes. Incorrect actions can damage the back cover or tear off the plume of the fingerprint scanner. In this article, we will discuss in detail each step, from tool preparation to the final assembly of the gadget.
It is worth noting that self-opening the Redmi 6 case automatically deprives the device of the official manufacturer's warranty. If your device is still in warranty service, it is wiser to contact an authorized service center. However, if the warranty has expired or the case is not warranty, you can save money by doing the work yourself, following our recommendations.
Before you start physically impacting your smartphone, make sure you fully understand the risks and are prepared to work carefully. Any rush or negligence can cause components that are harder to replace than the original problem to break down. Prepare the workplace, good lighting and all the necessary tools in advance.
Required tools for opening Redmi 6
A high-quality disassembly of a smartphone is impossible without a specialized set of tools. Using inappropriate items such as knives or thick needles is almost guaranteed to damage plastic or scratch the frame. To work with the Xiaomi Redmi 6, you will need a standard but high-quality set of wizards.
First of all, get a suction cup or a special screen opener, and this tool allows you to create an initial gap between the back cover and the frame, and also a thin plastic spatula (mediator) that does not conduct current or scratch the surface.
To unscrew the screws, you'll need a PH00 or PH000 size cross screwdriver. The screws in Xiaomi smartphones are very small, and using a large screwdriver can rip off the hats, which will turn a simple repair into a difficult task of drilling the fastener.
- 🛠️ A set of screwdrivers with a magnetic tip for working with small electronics
- 📱 Plastic mediators and shoulder blades for opening the body without damage
- 💨 Hair dryer or heating platform for softening glue
- 🧲 Magnetic mat or organizer for sorting screws
⚠️ Warning: Using metal blades to smack the lid can damage antenna inserts or battery, causing a fire.
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Use a magnetic mat or a piece of paper with a smartphone diagram drawn to spread the screws in the order in which you twist them, which will help you not to confuse anything when you build them.
Preparation of the device for disassembly
The first and most important step is to prepare the device itself. Before you start disassembling the Redmi 6, you need to completely turn off the smartphone. Working with the device on can lead to a short circuit, especially if you accidentally damage the battery or screen plume during the dismantling process.
Remove the tray for SIM-Not only will this protect the data, but it will also make it easier to remove the back cover, as the tray may slightly interfere with access to the internal screws in some versions of the case.
If the battery is too swelling, be very careful when heating, the bloated battery is sensitive to temperature and mechanical pressure, in which case you need to heat the phone minimally, only to soften the glue around the perimeter, avoiding direct exposure to bloating.
Clean the surface of the smartphone from dust and dirt. This will prevent debris from entering the device when opened. Wipe the screen and back with a soft cloth moistened with isopropyl alcohol to degrease the surface and improve suction cup grip.
The process of heating and separation of the back cover
The back cover of the Xiaomi Redmi 6 is glued around the perimeter with a special adhesive compound. To separate it without damage, the adhesive must be warmed up. The optimum temperature is about 80-90 degrees Celsius. Do not exceed this threshold so as not to melt the plastic elements of the case.
Use a building hair dryer to move it around the perimeter of the back panel. Warm up the ends evenly for 2-3 minutes. You can check readiness by carefully trying to tamper with the angle of the cover with a mediator - if it enters with difficulty, the heating should continue.
Once warmed up, place the suction cup at the bottom of the back cover, closer to the center, but not on the camera. Pull the suction cup up, creating tension, while gently inserting the plastic mediator into the resulting gap. Move the mediator along the faces, cutting the adhesive layer.
Don't try to pull the lid off with a sharp jerk. Inside, there may be plumes connecting the modules to the motherboard, although in the Redmi 6, the main plumes are usually under protective slats. Act smoothly, controlling every movement.
Dismantling internal components and screws
When you successfully remove the back cover, you'll see the inside of the smartphone, and the first thing you need to do is turn off the battery, which is a critical step to ensure that you can safely do that, and the battery plume is connected to the motherboard via a connector.
To access the main screws, you may need to remove the decorative plastic pad that covers the top of the body, which is usually held on several screws and plastic latches. Unscrew all visible screws that lock the internal modules.
Notice the location of the screws of different lengths.
| Component | Type of attachment | Features of withdrawal |
|---|---|---|
| Back cover. | Glue + latches | Requires heating to 80°C |
| Battery | Glue + connector | Turn it off first, warm it carefully. |
| Maternity fee | Screws + plumes | Lots of small screws under the bars |
| Screen (module) | Perimeter glue | Removed from the display side |
⚠️ Warning: Never pull the plume unless it's disconnected, which will cause the current tracks to rupture and the module to fail.
☑️ Procedure for disconnecting plumes
Replacement of battery and screen
The most common cause of disassembly is a battery replacement. In Redmi 6, the battery is glued to the body with double-sided tape. To remove it, warm the back of the device again slightly (if the lid is already removed, warm carefully around the battery). Use a plastic card or a special string to clip the glue under the battery.
When installing a new battery, make sure the connector matches the original. Some third-party manufacturers release batteries with slightly altered controller board geometry, which can make it difficult to connect. Don't use force - if the battery doesn't lie flat, check the model.
Replacing the screen in this model requires removing the bezels or carefully separating the display module from the body. If you change the screen with the frame, the process is simplified: just move the motherboard and battery to a new case, which reduces the risk of damage to new components during assembly.
When connecting a new display, make sure the plume is inserted before clicking and fixed with a down bar. Not tight enough contact will result in no image or stripes appearing on the screen after assembly.
How to check the new screen before assembly?
Assembly of a smartphone and checking the performance
The assembly is done in reverse sequence. Before installing the back cover, be sure to remove the residue of the old adhesive from the frame of the case. Use isopropyl alcohol and a plastic blade. The surface must be clean and defatted for secure fixation with new adhesive base.
Apply a new adhesive layer (B-7000 or special tape) around the perimeter. Let the glue dry a little (1-2 minutes) if you use the liquid version, then gently apply the lid and evenly press the edges. You can use stationery gums wrapped around the phone to fix for drying.
After assembly, take your time to turn on the device. Let the glue grab for at least 30-60 minutes. Turn on the smartphone and check the basic functions: sensor, cameras, speakers, microphone and charging. Make sure the proximity sensor works correctly.
If you don't turn on after assembly, you may have a bad battery or display connector, you'll have to gently reopen the device and recheck all connections, and you'll also check if any of the plumes are screwed.
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The quality of repair depends on the cleanliness of the working surfaces and the absence of dust under the adhesive layer or screen.
⚠️ Warning: If you smell smoke or smoke after assembly, immediately turn off the device and remove the battery.