Xiaomi Redmi 5 is a popular 2017 model that is still in use today for its balanced performance and robust design. However, even the most durable device needs repair over time, whether it’s battery replacement, dust cleaning or recovery from a fall. Disassembly is a responsible process that requires accuracy, the right tools and knowledge of design features.
Many users are afraid to disassemble Redmi 5 for fear of damaging plumes or breaking latches. In fact, with the instructions and using quality tools, the risks are minimal. In this article, we will discuss the entire process in detail - from preparation to assembly - and also talk about the typical errors that can lead to failure. If you have never taken apart smartphones before, do not worry: Redmi 5 is one of the most repairable models in the Xiaomi line.
Preparation for disassembly: tools and security measures
Before you start disassembling, make sure you have everything you need, the wrong tool is the main cause of damage to the body or internal components, and here is the minimum kit you'll need:
- 🔧 Plastic blades (2-3 (a) - for the careful liding and disconnection of the plumes.
- ⚡ Screwdriver cross (PH00) — for the back cover screws and motherboard.
- 🔥 Hair dryer or thermoair station - if the glue of the back cover is too strong (relevant for models with unoriginal glue).
- 📦 Container for screws - so as not to lose small parts (you can use a magnetic mat).
- 🧲 Tweezers – to work with small plumes and connectors.
Also, prepare the workplace: it should be well-lit, clean and without static electricity. A table with a wooden or plastic surface is ideal. Do not disassemble the phone on the carpet or couch - this can lead to the loss of screws or villi entering the device.
⚠️ Note: If you are looking for Redmi 5 with a discharged battery, first connect it to the charge on 10-15 Disassembling a phone with a fully discharged battery can short circuit when the plumes are connected.
Don't forget to back up the data! even if you don't plan on touching the motherboard, accidentally turning off the battery plume can cause the settings to reset.
Removing the back cover: how not to break the latches
The back cover of the Xiaomi Redmi 5 is mounted on latches and double-sided tape. Don't try to tamper with a knife or metal screwdriver - it's almost guaranteed to lead to cracks or chips. Instead, use a plastic blade and follow the instructions:
- Turn off the phone and remove the tray for SIM-map.
- Heat the edges of the back cover with a hair dryer (temperature ~50-60°C) for 1-2 minutes. This will soften the glue.
- Insert a plastic blade into the gap between the lid and the body (start at the bottom edge, next to the charging connector).
- Carefully drive the blade along the edge, alternately snapping the latches. You will hear the characteristic clicks.
If the lid doesn't lend itself, don't put too much effort into it. Maybe the glue is too strong -- in which case, warm it up again. Don't pull the lid up -- it should come out evenly from all sides.
☑️ Checklist before lid removal
⚠️ Warning: Some Redmi 5 models may have an extra protective film under the back cover. If you tear it, it's not critical, but try to keep it intact for reverse assembly.
Disconnection of the battery and work with plumes
When you take off the back cover, you'll see the battery, the motherboard and some plumes, and the first thing you need to do is turn off the battery to avoid short circuits.
- Find the battery plume – it is located at the top of the phone, next to the camera.
- Carefully tuck the black connector with a plastic spatula and disconnect the plume from the motherboard.
- Secure the plume with tape or put it to the side so that it does not touch the contacts.
Now we can start to turn off the other plumes. Redmi 5 has several of them:
- 📸 Main camera plume (upper part).
- 🔊 Dynamics and microphone plume (bottom part).
- 📱 The plume of the display module (the widest, in the center).
Don't pull the plumes behind the wires, they're very fragile. Use tweezers to gently fit the connectors. If the plume doesn't move, check if there's a latch (usually white or black).
What to do if the plume is broken?
| schleife | Location. | Features of disconnection |
|---|---|---|
| Battery | Upper part, next to the camera. | Clicks up, without a lock. |
| Main cameras | Upper left corner | It has a white lock that needs to be lifted. |
| Display module | Center, under the battery. | The widest, flickering to the side |
| Dynamics and microphone | Lower part, next to the charging connector | It may be glued, it requires care. |
Extraction of motherboard and other components
Once all the plumes are turned off, you can start removing the motherboard. 10-12 There are different size screws, so remember which screw you screwed from. We recommend you take a picture of the screws before you take them out.
The screws in Redmi 5 come in two types: short (fix board to body) and long (fix metal screen).
After you unscrew the screws, gently lift the motherboard on one side. If it doesn't lend itself, check if there are any undetected screws or plumes. Don't force it, the board may bend.
Under the motherboard you will find:
- 🔋 Battery - glued to the body, to replace it will need to disconnect it from the board and tamper with a plastic spatula.
- 📡 Antenna modules are thin metal plates that do not require dismantling during most repairs.
- 🔊 Vibromotor - located at the bottom, attached to two screws.
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If you change the battery, don't throw the old one away. The plume usually has parameters (capacity, voltage) that will help you find a similar replacement.
Replacement of the battery: nuances and tips
The battery is the most common reason to disassemble the Redmi 5. Over time, the battery capacity decreases, the phone begins to quickly discharge or shut down when the charge level is low. Replacing the battery is one of the easiest operations, but there are subtleties.
The new battery must meet the original parameters: capacity of 3300 mAh, voltage 3.85V. Buy batteries only from trusted sellers - cheap analogues can swell or not hold the charge.
Replacement process:
- Disconnect the battery plume from the motherboard.
- Heat the body with a hair dryer (temperature ~60 ° C) - this will soften the glue.
- Carefully apply a plastic blade to the battery starting at the edge. Don't use metal objects, they can puncture the battery and cause a fire.
- Install a new battery on a two-way scotch and connect the plume.
After replacing the battery, calibrate it: fully charge the phone, then discharge to 0% and recharge 100%. Repeat the procedure 2-3 times.
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If the battery doesn't turn on after you change, check the plume connection. Often the problem is poor contact, not the battery itself.
Phone Assembly: How to Avoid Mistakes
The Xiaomi Redmi 5 is a reverse process, but no less important. The most common mistake is forgotten screws or improperly connected plumes. To avoid problems, follow these tips:
- 🔄 Check all plumes for damage before connecting.
- 🔩 Make sure that all screws are twisted into their places (short screws are in the case, long screws are in the screen).
- 📱 Before final assembly, turn on the phone with the display connected, but without the back cover, so you can check the health of all components.
- 🔋 If you have replaced the battery, check its temperature after 10-15 Overheating may indicate a malfunction.
When you install the back cover, make sure all the latches are in place. If the cover doesn't fit tightly, warm it up with a hair dryer and press it with your hands for 1-2 minutes. Don't push too hard - the plastic may crack.
After assembly, check:
- 📶 Network operation (SIM-maps, Wi-Fi, Bluetooth).
- 🔊 Sound in the speaker and microphone.
- 📸 Camera (main and frontal).
- 🔋 Charging (plug the charger and make sure the phone detects it).
Common Mistakes and How to Avoid Them
Even experienced craftsmen sometimes make mistakes when disassembling the Redmi 5, and here are the most common ones and ways to prevent them:
| Mistake. | Effects of consequences | How to avoid |
|---|---|---|
| Using a metal screwdriver to slap the cover | Scratches, chips, cracks on the body | Use only plastic blades |
| Application of force upon disconnection of plumes | Breaking plume, damage to the connector on the board | Carefully tweezing, do not pull the wires |
| Confused screws during assembly | Contorted motherboard, short circuit | Store screws in separate containers or photograph their location |
| Undisconnected battery when working with the board | Short circuit, failure of components | Always turn off the battery first thing |
Another common problem is that the flexible plume of the display is damaged, and it's the widest and most fragile, so when you turn it off, be especially careful. If the plume breaks, don't try to glue it together, which is a temporary solution that will lead to artifacts on the screen. You better order a new plume right away.
⚠️ Note: If the phone doesn't turn on after assembly, but when connected to charging it shows an indication, the problem is most likely in the battery plume or the battery itself. If there is no indication at all, check the connection of the display module or motherboard.