How to remove the battery on the smartphone Xiaomi: analysis of 5 models with photos

Removing the battery on Xiaomi smartphones is a challenge that users face when replacing the battery, repairing after a fall or getting moisture. Unlike older devices with removable covers, modern models (including the Redmi Note series, POCO and the flagship Xiaomi 13/14) have a non-shattered case where the battery is glued to the chassis. This complicates the process, but does not make it impossible with the right approach.

In this article, we will take a look at step-by-step instructions for popular models, list the necessary tools (from the mediator to the hair dryer), and warn of critical errors that can lead to damage to the board or display. We will focus on security issues: why you can not use a knife, how to avoid short circuits and what to do if the battery is blown up.

If you've never taken a smartphone apart, don't worry. We've included video recommendations and checklists for beginners, as well as answers to frequent questions (such as whether you can remove the battery without heating or replace a special glue), the rule of thumb is patience and accuracy, even professionals in service centers spend 20 to 40 minutes on this operation.

Why you might need to take your battery off Xiaomi

There are several reasons for removing the battery, and not all of them are related to replacing it.

• 🔋 Battery replacement is the most obvious reason. Xiaomi's average battery life is 2-3 year 500-800 Then the capacity drops to the bottom. 30-50%, And the phone starts to turn off suddenly.
• 💧 Moisture intrusion, even if the smartphone has standard protection. IP53 (Like the Redmi Note 12, water can penetrate through speakers or buttons, and then the battery needs to be removed to dry and check the contacts.
• 🛠️ Repair after a fall: impacts often result in the detachment of the plumes or damage to the battery (blown, cracks). POCO X5 Pro from a height of 1.5 m in 30% of cases requires a replacement battery.
• 🔌 Diagnostics of power problems: If the phone is not turning on, charging or overheating, the first measure is to check the contacts of the battery and the charging controller.

It is important to understand that removing the battery on Xiaomi 2020 and later models will automatically cancel the warranty if the case does not have an official autopsy mark. However, in most cases (for example, with a bloated battery), service centers still refuse warranty repairs, citing “mechanical damage”.

⚠️ Warning: If the battery is swelling (the body is deformed, the screen is raised), do not try to puncture or heat it. The risk of fire in this case is up to 15.

Required tools: what can not be replaced by “improvised means”

To safely remove the battery, you need a minimum set of tools, and saving on them often leads to damage to the plumes or the case.

In addition, it may be necessary to:

• 🔧 Set of screwdrivers (cross-haul) PH00, 1.5 mm flat, five-beamed for some models POCO).
• 🧲 Magnetic mat – not to lose the screws (in Xiaomi 13 Pro there are 18 pieces of different sizes!).
• 📦 Plastic container for sorting parts.

The cost of a full set on AliExpress or in stores like "Chip and Deep" - from 800 to 1500 rubles. If you plan to disassemble the smartphone regularly (for example, for repair to friends), it makes sense to buy a professional kit with an antistatic bracelet (price from 2500 ₽).

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Before you start, remove your metal jewelry (rings, bracelets) and use an antistatic bracelet or periodically touch an earthed object. Static electricity can damage the chips on the board, even if you do not notice it immediately.

Step-by-step: how to remove the battery on 5 popular models Xiaomi

The disassembly process varies depending on the model, and below we will give instructions for the most common smartphones, given their design features. If your model is not on the list, focus on the nearest analogue in the series (for example, for the Redmi Note 11, the instruction for the Note 10 will suit).

Xiaomi Redmi Note 10/10 Pro/10S

These models have a plastic body, which makes it easier to disassemble, but the battery is glued very tightly.

1. Turn off the phone and remove the tray for SIM-map.
2. Heat the hair dryer back cover around the perimeter (temperature 70 ° C, time 2-3 minutes).
3. Insert the mediator into the gap between the lid and the body (start with the lower left corner where the antenna is located).
4. Carefully drive the mediator along the body, separating the latches. There are 12 of them in the Note 10 Pro!
5. Disconnect the battery plume (it is located under metal protection that needs to be unscrewed).
6. Put a plastic blade on the battery, preheating it to 60°C. The glue here is B-7000, it becomes elastic when heated.

Turn off the phone and remove it. SIM-map|Heat the case with a hairdryer (70°C, 2-3 minute)|Use only plastic mediator.|Disconnect the battery plume before it is removed-->

POCO X3/X3 Pro/X4 GT

The feature of these models is the reinforced fastening of the battery (two bands of glue instead of one). POCO X3 Pro has an extra screw under the tray SIM-A map that's easy to miss:

1. Remove the back cover (similar to the Redmi Note 10, but the heating needs to be more intense – up to 80 ° C due to the metal frame).

2 Unscrew 8 screws holding the metal plate above the battery. In the X4 GT, the screws are of different lengths - remember their location!

3. disconnect the battery plume and the train of the daughterboard (it goes to the power button).

4. Tap the battery on the left side (the glue is thinner there). If the battery fails, heat it for another 1-2 minutes.

⚠️ Attention: B POCO X3 NFC The battery is connected to the body not only with glue, but also with double-sided tape at the edges. If you pull too hard, you can break the battery bank. Use isopropyl alcohol to dissolve the glue.

Xiaomi 11T/11T Pro

Flagship models have a glass back panel that cracks when it is not neatly opened.

• Use a suction cup to lift the glass (start at the bottom edge).
• Heat the body evenly, avoiding overheating the chamber (maximum 75°C).
• In the 11T Pro, the battery is glued to an aluminum radiator – it also needs to be carefully separated.

Redmi 9/9A/9C

Budget models with a plastic case are the easiest to understand, but there is a pitfall: the battery plume is located under a metal plate held by screws with protection against unscrewing (so-called "security screws"), they will need a special screwdriver or drill with a diameter of 0.8 mm.

Xiaomi 13/13 Pro/13 Ultra

The most difficult to disassemble models because of:

• 🔧 18 screws of different length and type (including five-pointed ones).
• 🔥 Two-layer glue under the battery (first layer — B-7000, second-glue).
• 🛡️ A protective net over the battery that is easy to break.

We recommend using an ultrasonic bath to clean the board of glue residues after the battery is removed.

Top.-5 Errors in battery removal and how to avoid them

Even experienced craftsmen sometimes make mistakes that lead to costly repairs, and here are the most common ones and ways to prevent them:

1. Overheating of the body. If you heat one point with a hair dryer longer 10 Seconds, you can melt plastic latches or damage them. OLED-Solution: Use a thermal pistol with a diffuser nozzle and keep it at a distance. 5-7 centimeter.
2. Unlocking the plumes without fixing. The battery plume in Xiaomi is often soldered to the daughterboard. If you pull it sharply, you can tear off the contact pads. Solution: gently tuck the plume into a plastic spatula, preheating the soldering site.
3. Using metal tools. One careless move with a screwdriver, and you have a short circuit on the board, so you can do all the manipulations inside the case with plastic or wooden tools.
4. Ignoring glue residues. If you don't clean the case of the old glue, the new battery will not fit well, which will lead to overheating. Solution: use isopropyl alcohol and a lilac-free napkin.
5. Installation of the new battery incorrectly: 40 percent of the time, after self-replacement, users forget to plug in the plume or lock the battery incorrectly, leading to detachment, so you can follow the sequence and check the attachments.

According to statistics of service centers, 65% of breakdowns after self-repair are associated with these errors. If you are not sure about your skills, it is better to contact professionals - the cost of replacing the battery in official Xiaomi services starts from 1200 rubles (for Redmi series).

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The most common mistake is to try to tear off the battery without heating it before it is fired, which causes the battery bank to rupture 80 percent of the time, and then not only does the battery need to be replaced, but the body needs to be cleaned of the electrolyte.

How to replace glue when installing a new battery

Once you remove the old battery, the question is, how do you fix the new one? Xiaomi manufacturers use a special glue, but at home, it can be replaced with affordable analogues.

For models with a thin body (for example, Xiaomi 12 Lite), it is better to use the adhesive B-7000 - it does not increase the thickness. For budget smartphones (Redmi 9A) suitable double-sided tape. The main rule: apply the glue point, avoiding contact or speakers.

If you use Scotch, cut it into strips wide. 5 And then you stick them cross-stick on the battery, and that will prevent them from shifting when you build them, and then you put them on the battery. 10-15 seconds for better adhesion.

Frequent questions about battery removal on Xiaomi