How to change the battery Xiaomi Redmi 5A: video-instruction + master-class

Xiaomi Redmi 5A

battery

Redmi 5A

Many users are afraid to disassemble their phone for fear of damaging the board or display. But in practice, replacing the battery on this model is one of the easiest procedures among Xiaomi smartphones. The main thing is to follow the proven instructions, use the right tools and take your time. In this article, you will find a step-by-step guide with videos, tips on choosing the original battery, and answers to frequent questions. If you have never repaired your phones, don’t worry: our material is designed for beginners.

Before you start, make sure that the battery is the problem. Sometimes the background applications or the damaged charging connector cause a quick discharge. You can check the status of the battery using applications like AccuBattery or the built-in Settings menu. → Battery → Condition: If the capacity has fallen below 70% of the nominal 3,000 mAh for Redmi 5A), The phone does not hold a charge – replacement is required.

Signs of a faulty battery on Redmi 5A

How to know the battery of your Xiaomi Redmi 5A Are there symptoms that you can't ignore:

• ⚡ Instant discharge: the phone turns off when 20-30% although it had previously been used before 5-10%. This is a sign that the battery controller is not displaying the charge level correctly.
• 🔥 Overheating during charging: If the body heats up to unpleasant temperatures (especially in the battery area), this may indicate degradation of the elements or an internal short circuit.
• 📉 Bloating: If the back cover or screen starts to move away from the body and the phone gets thicker, that's a critical signal. The battery is dangerous because it can damage the display or even ignite.
• ⏳ Long charging: if the phone was charged before 1.5-2 For an hour, the process is now stretched out. 4-5 The fault of the lost battery capacity.

Note that some of these symptoms may be caused by software failures, such as if the phone suddenly turns off but after restarting shows normal charge levels, the problem may lie in the firmware. In this case, you should first make a reset (without deleting data) through Settings. → Additionally. → Recovery and discharge.

If symptoms persist, start replacing, but first you need to choose the right battery.

What battery to buy for Redmi? 5A: original vs analogue

The battery quality of the phone is not only the life of the phone, but also the safety of the phone. 5A:

1. Original (OEM) — They're manufactured in the same factories as the components for Xiaomi. BM43 or BM44 (supplant 3000 Their advantages: accurate compatibility with the power controller, stable operation, warranty 6-12 Minus is a high price (from 1500 before 2500 ruble).
2. Licensed analogues – are produced by verified manufacturers (for example, ZMI, Baseus) under a Xiaomi license.The quality is close to the original, but the price is lower (800-1200 Look for Compatible with Redmi markings 5A.
3. No-name batteries are cheap without certification (300-600 Risks: incorrect capacity (e.g., ruble, 2500 m.h. 3000), Lack of protection from overheating, rapid degradation.

We recommend choosing between the first two options, and cheap ones often don't justify saving: they can serve everything. 3-6 You can take months to get your charging controller out of action:

• 📦 Packaging: Original batteries come in branded boxes with Xiaomi hologram.
• 🔍 Marking: the model must be indicated on the battery (BM43), capacity (3000mAh), tension (3.85V) production date.
• 🛡️ Protective film: the original battery contacts always have insulation tape.

Where to buy? Xiaomi’s official stores (such as the Mi Store), trusted online marketplaces like AliExpress (sellers with a rating above 98%), or specialized service centers. Avoid shopping in markets or street vendors, where there is a high risk of running into a fake.

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Before buying, check the battery serial number on Xiaomi's official accessories check site, which will help distinguish the original from the fake.

Battery Replacement Tools: What You Need

Replacement of the battery with Redmi 5A You don't need professional tools -- a basic set is enough:

If you don't want to spend money on tools, you can do with a minimum set of screwdrivers and plastic cards, but remember, without a mediator or a sucker, the risk of damage to the plumes or the case increases.

• 🪑 A flat surface with good lighting (it is better to use a table lamp).
• 🧲 Magnetic substrate or screw container (so as not to lose them).
• 📱 A spare phone to shoot the process (in case something goes wrong).

Important: Don't use metal tools (knives, screwdrivers) to slap the lid or battery! They can close contacts or scratch the body. If you don't have a plastic mediator, take an old guitar mediator or even a plastic spoon (cut the edge).

Step-by-step: how to disassemble Redmi 5A replace the battery

Now, to the most critical step, which is disassembling the phone and replacing the battery, follow the instructions carefully, and don't miss the steps. If you're a visualist, at the end of the section, we've attached a detailed video of the process.

Step 1: Turn off the phone and remove it. SIM-map

Before disassembling, be sure to turn off the device and take out the tray for SIM-This will prevent short circuits and damage to the contacts. 20-30% — less risk that the battery will swell when accidentally closed.

Step 2: Remove the back cover

On the Redmi. 5A The lid is mounted on the latches and two screws (bottom, next to the charging connector:

1. Unscrew two screws with a cross screwdriver PH00.
2. Insert a plastic mediator into the gap between the lid and the case (start with the lower right corner).
3. Carefully drive the mediator around the perimeter, snapping the clamps. Do not apply force - if the lid does not respond, check if all screws are unscrewed.

Step 3: Disconnect the battery plume

When you take the lid off, you'll see the battery glued to the body. Don't try to pull it out right away.

1. Find a small white connector (battery connector) next to the motherboard.
2. Carefully put a plastic mediator or nail on it. Don't use metal tools!
3. Make sure the connector is completely disconnected – the phone should not respond to the power button.

Step 4: Remove the old battery

Now you can remove the battery. It's glued to double-sided tape, so:

1. Put the battery from any angle with a plastic spatula.
2. Pull up slowly, trying not to bend the battery (this can cause damage).
3. If the tape does not lend itself, drop a little isopropyl alcohol under the battery - this will weaken the glue.

Step 5: Install a new battery

Before installing the new battery, clean the seat of glue residue with alcohol.

1. Remove the protective film from the contacts of the new battery.
2. Stick bilateral scotch (or apply glue) B7000 perimeter).
3. Carefully insert the battery into place, making sure it lies flat.
4. Connect the power plume to the connector on the board.

Step 6: Get your phone together

Make sure all the plumes are connected and the screws are in place. Make sure no parts are left inside the case.

1. Install the back cover starting at the top (where the camera is located).
2. Click the clamps around the perimeter, slightly pressing on the lid.
3. Twisting two screws at the charging connector.

Now you can turn on your phone and check the new battery.

All screws are in place.|Battery plume connected|No extraneous parts inside the body|The battery is flat, without distortions|Battery contacts clean.-->

Video Instructions: Replacing the Battery with Redmi 5A

For clarity, we have selected the best video with a step-by-step battery replacement on Xiaomi Redmi 5A. Pay attention to the moments that beginners often miss:

🎥 Video 1: Complete disassembly with comments (in Russian)

The author of the channel shows in detail how to disconnect the battery plume and not damage flexible cables.

🎥 Video 2: Quick replacement in 5 minutes (no further words)

Ideal for those who already have experience with phone decommissioning.

🎥 Video 3: Replace a bloated battery (a complicated case)

It is shown how to safely remove the deformed battery without damaging the body.

Tip: before watching the video, turn on subtitles (if any) and reduce the playback speed to 0.75x. This will help you not to miss important details.

Frequent battery replacement errors and how to avoid them

Even with the seemingly simple procedure, many users make mistakes that cause their phone to break down, and here are the most common ones and ways to prevent them:

⚠️ Attention! If the battery doesn't turn on after you change the battery, don't panic. First check: Is the battery plume connected to the circuit board connector? Are the contacts closed (for example, if you touched them with a metal tool) or did you damage the flexible display cable during assembly. Often the problem is solved by re-disassembly and checking connections.

• 🔧 Use of inappropriate tools: metal screwdrivers or knives may scratch the board or close contacts.Always use plastic or wooden shoulder blades.
• 🔋 Use of force in battery extraction: if the battery does not go away, do not pull it with force - this can break the plume or damage the case. 1-2 minute.
• 🧲 Loss of screws: screws at Redmi 5A They're small and easily lost. Use a magnetic substrate or tape them with tape on the table.
• 📱 Incorrect build: If after replacing the screen does not respond to touch or the camera does not work, chances are you forgot to connect the plume or pressed the cable.

Another common mistake is ignoring the calibration of the new battery, and after the battery is replaced, it is recommended that:

1. Completely discharge the phone (until it is automatically turned off).
2. Charge it to 100% without interruptions (preferably the original charger).
3. Repeat the discharge/charging cycle 2-3 This will help the power controller to correctly determine the capacity of the new battery.

If the phone is discharged faster than with a new battery after replacing it, check:

• Is not the mode Saving charge in the settings included?
• Are there any background applications that consume energy (check in Settings) → Battery → Use of the).
• Is there a non-original battery with low capacity?

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If the new battery swells in the first few weeks, it's a marriage or a fake. Turn off the phone immediately and replace the battery: the risk of fire is extremely high!

How much does it cost to replace a battery in a service center?

If you are unsure of your abilities or are afraid of damaging your phone, you can contact the service center.The cost of replacing the battery with Xiaomi Redmi 5A varies depending on the region and type of battery:

Should we overpay for official service? It makes sense if:

• 🛡️ You need a guarantee of work and spare parts.
• 📱 You don’t want to take the risk of disassembling your phone yourself.
• 🔧 You have no tools or experience.

In most cases, however, the replacement is self-sufficient. 2-3 The main thing is to buy a quality battery and take your time when disassembling.

Tip: Call several shops before you go to the service and compare prices. Sometimes the difference can be as much as 50%. Also check if they give a guarantee for a job - some shops waive liability if the phone has already been repaired.

FAQ: Answers to Frequent Questions About Replacing the Redmi Battery 5A