The Redmi 4 Prime (also known as the Redmi 4 Pro) has established itself as one of Xiaomi’s most reliable smartphones thanks to its all-metal body and high-quality build. However, it is a rugged body that becomes the main obstacle when it comes to internal intervention, whether it is replacing a broken display or installing a new battery. Unlike budget models with plastic covers, it requires a special approach and a set of tools for safe dismantling.
Self-disassembly is a process that requires patience, accuracy and understanding of the design of a gadget. Mishandling plumes or excessive effort when unplugging the display can lead to permanent damage to electronics. In this article, we will take a detailed look at each stage of dismantling, so that you can perform repairs efficiently and without unnecessary risks to your device.
Before you start the procedure, it is essential to prepare the workspace, you will need a table with good lighting and a clean surface so that no small cog gets lost in the pile or dust, and the absence of extra items on the table minimizes the risk of losing small parts that are critical for assembly.
To successfully disassemble the Xiaomi Redmi 4 Prime, you will need a specialized toolkit that can be purchased at radio stores or online.Using inappropriate items such as kitchen knives or needles can damage internal components or scratch the body, so it is better to use a professional tool.
- 🔧 Set of screwdrivers with cross bits (Phillips size #00 or #000) for screw twisting.
- 📱 Plastic spatula (mediator) and suction cup for careful separation of the display and cover.
- 🔥 A hair dryer or thermophen (you can use a household hair dryer at maximum temperature) to soften the glue.
- 🧲 Magnetic mat or containers for sorting screws by disassembly stages.
⚠️ Warning: Before starting any work, be sure to turn off the smartphone. Attempting to disassemble the enabled device can lead to a short circuit and the motherboard fails.
Removal of the back cover and primary dismantling
The process of opening the Redmi 4 Prime case begins with heating the perimeter of the rear panel. The metal cover is planted on a double-sided tape, which at room temperature holds very tightly, so without preheating there is a risk of damage to the frame or glass.
Heat the edges of the smartphone with a hairdryer for 2-3 minutes, constantly moving the flow of hot air so as not to overheat one point. After the case becomes warm to the touch, gently tuck the lid with a plastic blade in the area of the charging connector or speaker.
Move the blade along the perimeter, gradually peeling off the panel. Don't make sharp jerks, because there may be plumes under the lid, although in this model they are usually located on the main board. Once the lid is removed, you will have access to the internal components.
Nuances of glue-based
In some batches, Xiaomi uses a more aggressive glue that requires reheating. If the lid does not lend itself, do not use force - warm up the edges again within a minute. Dismounting the battery and protective screens The next step is to remove the plastic protective pads that hide the display plumes and connectors. Redmi 4 Prime uses a screw mount system, so you will need a small cross screwdriver. Unscrew all the visible screws on black plastic slats. Note that the screws can be of different lengths, so it is important to remember the number of the screws for the installation of the 2 mounting of the plank, so that you do not damage the bottom mounting the rod 4 rod. The central part of the crosses, when the shields are removed, the battery connector is accessed. The first thing you need to do is to disconnect the battery from the motherboard to turn off the device. To do this, carefully tuck the battery plume with a plastic blade, avoiding the use of metal tools. Only after the battery is turned off, you can proceed to remove the battery itself. It is also attached to the adhesive base, so you may need to neatly sing the shoulder blade or use a special hood if you have it in your arsenal. Disconnection of the plumes and the display The most important point is to work with the Redmi cable, which can lead to a 4-based display. Use a plastic blade to snap the connectors. The movements should be straight upwards, without skewing. Once all the plumes are turned off, you can start separating the display module from the frame. If you change only the glass or the matrix, heating around the perimeter of the screen is mandatory. The glue that holds the module softens when heated, allowing it to be removed without breaking the frame, and in some cases, the frame has to be re-adhesived using a special glue. B-7000 analogue. ⚠️ Warning: Never press the center of the screen when you try to remove it, and the pressure in the center is guaranteed to cause cracks in the matrix or internal plumes to break. Replacement of the main components and motherboard If the purpose of disassembly is to replace the motherboard, camera or charging connector, then after removing the display and battery, access to them becomes open. The board is fixed to screws and sometimes to additional fixtures. When installing a new board, make sure that all contact areas are clean. Contact oxidation is a common cause of unstable smartphone operation after repair. Wipe the contacts with alcohol or a special cleaner if necessary. When replacing the camera module, act especially carefully. The camera lens is very sensitive to dust and fingerprints, so try not to touch the lens. Installation is done in reverse order of removal, with the obligatory snapping of the connector to a characteristic click. Assay the device and checks the metallicity of the devices, make sure that the 4thing of the camera is not to the lower gear, the camera frames are not to the lowered assemblies, so that the redmis are not to the camera is not to the lowered in the rearmashes. Before you finally twist all the screws and stick the back cover, you need to do an initial check. Connect the battery and the display plume, then try turning the device on. 📱 Check the operation of the touch screen (touch screen) throughout the area. 🔊 Make sure that the speaker is spoken and multimedia. 📷 Take a test photo on the front and back camera. 🔋 Check the response to the charger. If all the functions are working correctly, you can apply a new glue to the frame and fix the back cover. Spread the glue evenly around the perimeter and press the cover tightly, locking the smartphone with rubber bands on the back. 15-20 minutes before drying. Frequently asked questions (FAQ) Do I have to completely drain the battery before replacing? Yes, for safety, it is recommended to discharge the battery to a level below. 25%, Ideally, before the device is turned off. This will reduce the risk of fire or short circuit in the event of accidental damage to the battery shell during recovery. Can you use conventional superglue to glue the screen? Absolutely not. Ordinary superglue (cyanacrylate) releases fumes that settle on camera lenses and sensors, causing them to become cloudy. It also makes the glass brittle. Use only special adhesives for electronics, such as: B-7000 or T-7000. What if the phone doesn't turn on after assembly? First, check the battery plume connection. If it's okay, make sure the display plume is inserted to the end. Often the problem is poor contact of the connectors that need to be reconnected. Is it difficult to find parts on Redmi? 4 Prime 2026-2026 years? Since the model is no longer new, original parts (especially displays) may be less common, but the market is full of quality analogues.