Xiaomi smartphones today are complex, indissoluble devices where the battery is integrated into the design. Unlike older phones with removable batteries, it requires precision, special tools and knowledge of nuances. This article will help you understand how to remove the battery from Xiaomi without damage when it really needs to be, for example, when replacing it with a new one or repairing it after a fall.
It's important to understand that the procedure is not for beginners. Even a small mistake can lead to short circuits, damage to plumes or loss of warranty. If you are not sure about yourself, you should contact the service center. But if you decide to act on your own, follow our recommendations.
When should I remove the battery from Xiaomi?
There are several situations where the battery is justified:
- ๐ Battery bloating โ if the phone body is deformed and the battery is bulging (it is dangerous!).
- ๐ Replacement with a new battery โ when the original battery is worn out and holds a charge of less than 50% of the original battery.
- ๐ ๏ธ Repair after falling or getting moisture โ if access to internal components is required.
- ๐ Diagnosis of malfunctions โ for example, with constant reboot or overheating.
But there are cases when the extraction of the battery is strictly prohibited without professional equipment:
- โก If the phone has recently been charged (risk of residual voltage).
- ๐ฅ When visible traces of oxidation or burning on the board.
- ๐ซ If you are not sure about the battery model (some Xiaomi have custom mounts).
What tools will you need?
Without the right tools, you're at risk of damaging the body or plumes.
| Tool. | Appointment | Where to buy |
|---|---|---|
| Plastic mediator (or guitar mediator) | For careful putting of the cover and disconnecting the battery | Electronics stores, AliExpress |
| Cross screwdriver (PH00 or PH0) | For the screw-twisting of the hull | Any hardware store |
| Screen suction cup | Helps remove the back cover on models with glue fastening | Service centers, online shops |
| Isopropyl alcohol (90%+) | To clean contacts and remove glue residues | Pharmacies, chemistry stores |
| Thin metal spatula (optional) | For complex cases (for example, Xiaomi Mi 11 with reinforced mounting) | Construction shops |
โ ๏ธ Warning: Never use knives or sharp metal objects - they can puncture the battery and cause a fire! Also avoid Chinese sets with cheap screwdrivers: they often tear off the slime of the screws.
๐ก
Before starting work, take a picture of the location of all screws and plumes - this will help to properly assemble the phone back.
Step-by-step: how to remove the battery from Xiaomi
The process differs depending on the model, but the general scheme is as follows:
- Turn off your phone and wait until it is completely cooled (if it is warmed).
- Remove the back cover: ๐ง On the Redmi Note models 8/9 And you can put a lid on the latches, so you can put it on the bottom edge with a mediator. ๐งฒ On flagships (Xiaomi) 12/13) often used glue - warm the hair dryer edge of the cover (not higher than the 60ยฐC!) and use a suction cup.
- Unscrew the screws that fix the metal plate above the battery (usually 4-6 screws).
- Disconnect the battery plume: ๐ Use a plastic mediator to gently lift the connector. Don't pull the wires! ๐ธ In some models (POCO F3) The sleeve is covered with additional protection.
Remove the battery.
- ๐ช Put the battery on the side (where there are no components on the board).
- ๐ฅ If the battery is glued, use isopropyl alcohol to dissolve the glue.
Turn off the phone and remove it. SIM-map|Prepare tools and workplace|Remove the back cover without damage|Unscrew all the screws of the metal plate|Disconnect the battery power plume-->
๐ก Advice: On Xiaomi Mi models A2/A3 the battery is mounted on bilateral tape - it can be gently tampered with a thread thread threaded under the battery.
Features for popular Xiaomi models
Some smartphones have unique nuances:
- ๐ฑ Redmi Note 10 Pro: battery glued very strongly - you will need to warm up with a hair dryer (max. 70)ยฐC) and isopropyl alcohol.
- ๐ฑ Xiaomi Mi 11 Ultra: Battery split into two parts โ remove them in turn, starting from the top.
- ๐ฑ POCO X3 Pro: under the battery is an additional adhesive layer - do not pull sharply!
- ๐ฑ Xiaomi 12T: The power plume is hidden under metal protection - first remove it.
โ ๏ธ Note: On Xiaomi Black Shark, the battery often has additional cooling mounts.They need to be detached before Attempting to pull the battery out.
What to do if the battery is too tight?
Frequent Mistakes and How to Avoid Them
Even experienced users sometimes make mistakes:
| Mistake. | Effects of consequences | How to avoid |
|---|---|---|
| Use of metal tools | Short circuit, battery puncture. | Work only with plastic or wooden mediators |
| Sharp pulling of the plume | Damage to contacts on the motherboard | Pull the connector on the side, not pull up |
| Battery heating above 80ยฐC | Bloating or ignition of the battery | Use a dryer at minimum power (max. 70ยฐC) |
| Confused screws during assembly | Damage to the thread or board | Fold the screws in groups (for example, on a magnetic substrate) |
๐ง Key point: If the phone doesn't turn on after the battery is removed, check to see if the display plume is plugged in. On Xiaomi Mi 9 and later, it often detachs when the battery is taken off.
What to do after the battery is removed?
After successfully removing the battery, follow the following steps:
- Check the battery for bloating, oxidation, or damage. If it's deformed, you can't reuse it!
- Clean the contacts on the board and battery with a cotton swab dipped in isopropyl alcohol.
- Check the integrity of the plumes, especially if the phone falls or gets wet.
- Install a new battery (if you need a replacement): ๐ Use only original or certified batteries (e.g. labeled batteries) MBJ4 For the Redmi Note 9). ๐ฆ Before installation, remove the protective film from the contacts.
โ ๏ธ Note: After the battery is replaced, Xiaomi may show an incorrect charge level. 2-3 full charge/discharge cycle for calibration.
๐ก
If you have replaced the battery and the phone is not turning on, check the polarity of the connection of the power plume. On some models, the connector can be inserted incorrectly (turning over 180).ยฐ).
Where to buy a new battery for Xiaomi?
When choosing a replacement, pay attention to:
- ๐ Phone model: battery from Redmi Note 8 is not suitable for the Redmi Note 8 Pro!
- ๐ Capacity โ must match the original (for example, 4500 mAh for the POCO X3 NFC).
- ๐ท๏ธ Marking โ Original batteries have a serial number and a hologram.
- ๐ก๏ธ Guarantee โ Reliable sellers give a minimum of 6 months.
Recommended places of purchase:
| Source | Pluses | Cons |
|---|---|---|
| Official Xiaomi service | 100% original details, guarantee | Expensive, long delivery |
| AliExpress (sellers with a rating of 98%+) | Low prices, wide range | Risk of counterfeiting, long delivery |
| Local service centres | Quick replacement, check before installation | Price higher than on AliExpress |
| Shops such as "Svyaznoy" or "M. Video" | You can see it before buying. | Limited choice of models |
๐ฐ The original battery for Xiaomi will cost 1500-4000 โฝ Analogues from proven brands (for example, Patona) are 20-30% cheaper.