Replacement of the battery with Xiaomi Mi 5s: detailed instructions with photos and nuances

Xiaomi Mi 5s, The 2016 smartphone still remains popular with users due to its balanced performance and robust build, but even the best smartphones will eventually fail. The capacity drops, the device discharges in a few hours, and sometimes even refuses to turn on. 5s Became β€œholding on the socket” or suddenly turn off at 30% charge, it’s time to think about replacing the battery.

In this article you will find step-by-step instructions for replacing the battery with Xiaomi Mi 5s We'll look at how to choose a quality battery, what tools you need, how to properly disassemble your smartphone without damage, and what to do if the device doesn't turn on after you've replaced it. 5s No longer produced and which counterparts are considered the best in 2026.

Signs that the Mi battery 5s need to be replaced

A battery that doesn't always run out quickly is a reason to replace it, and sometimes the problem is software failures or application back-end power consumption, but there are clear signs that the battery is wearing out physically:

  • πŸ”‹ The smartphone discharges by 50% or more in 1-2 hours without active use (for example, in standby mode).
  • πŸ”Œ When connected to a charge, the percentage of charge β€œjumps” (for example, from 10% immediately to 40% or back).
  • πŸ”₯ The body in the battery area is noticeably heated even at a minimum load.
  • ⚑ The device turns off at 20-30% charge and only turns on after connecting to the network.
  • πŸ“‰ Settings menu β†’ Battery β†’ The battery status is displayed as β€œReplace the battery” or capacity below 70% of the nominal value.

If you know at least 2-3 items on the list, it's probably worn out. For accurate diagnostics, you can use applications like AccuBattery or other devices. CPU-Z, which show the actual battery capacity and the number of charging cycles.

⚠️ Attention: If the body Mi 5s swelled in the battery area (there is a noticeable discrepancy in the back cover or the screen "rised"), immediately turn off the smartphone and do not use it until the battery is replaced.

πŸ“Š How often do you change the battery in your smartphone?
Every 2 years
Only when the charge stops holding.
Never changed.
Buying a new phone

What battery to choose for Xiaomi Mi 5s 2026

Original batteries for Mi 5s (articular MBJ4057, 3200 mAh capacity is long gone, but there are some good analogues on the market, and the key is not to run into a fake with low capacity or poor quality contacts.

ManufacturerArticulumCapacityPrice (2026)Features
Xiaomi (original, used)MBJ40573200 mAh1500–2500 β‚½Only with disassembly, the risk of wear and tear
PatonaPAT-MI5S-32003300 mAh1200–1600 β‚½Good price/quality ratio, 1 year warranty
BaseusBS-MI5S-323200 mAh1300–1800 β‚½Thin body, suitable for models with glue fastening
RemaxRMB-3200MI5S3250 mAh900–1400 β‚½Budget option but less cycle resource

When choosing, pay attention to:

  • πŸ” Capacity: optimally 3200-3300 mAh Batteries with declared capacity of 4000+ mAh - cheating.
  • πŸ› οΈ Type of attachment: in Mi 5s battery is glued to the body, so you need an option with adhesive base.
  • πŸ“„ Certificates: Check for signs CE, RoHS or UL packed.
  • πŸ”„ Guarantee: Reliable sellers give a minimum of 6 months.

Where to buy:

  • πŸ›’ Official stores: Xiaomi Store (if there is a rest), Svyaznoy, M. Video.
  • 🌍 Online sites: AliExpress (sellers with a rating of 98%+), Beru, Ozon.
  • πŸ”§ Service centers: often sell quality analogues at wholesale prices.

⚠️ Warning: Batteries labeled β€œHigh Capacity” (e.g., 5000 mAh) for Mi 5s β€” The maximum capacity that you can put in this smartphone without any body modifications is 3300 mAh.

πŸ’‘

Check the reviews of the seller before buying, and often under the guise of new batteries, they sell repacks that will last no more than six months.

Tools for replacing the battery with Mi 5s

For self-replacement will need:

Screen suction cup (βˆ… 5-7 cm)

Plastic mediators or shoulder blades (2-3 pieces)

Screwdriver cross (PH00 or PH0)

Thin-ended tweezers

Dryer or thermo-air station (for softening the glue)

Isopropyl alcohol (90%+) and cotton swabs

New battery (see section above)

Double-sided tape or glue B-7000 (battery-lock)

-->

Why are these tools:

  • πŸ”§ Suction cup and mediators are needed to carefully separate the screen from the body. 5s The display is glued around the perimeter, and without the right tools it is easy to damage.
  • πŸ”₯ The dryer heats up the glue so that the screen moves away effortlessly. Optimal temperature is 60-70.Β°C (not higher or it will be damaged) OLED-matrix!).
  • 🧴 Isopropyl alcohol removes glue residue from the frame and contacts. Don't use acetone or solvent, they corrode plastic parts.
  • πŸ“ Two-way tape is used to fix the new battery, and the original uses glue, but the tape is more reliable and makes it easy to replace the battery in the future.

If you don’t have a hair dryer, you can get by with hot water in a bag (heat to 60).Β°C and apply it to the edge of the screen for 2-3 minutes, but this method is less reliable and requires caution.

What happens if you use the wrong tools?
Using metal blades instead of plastic blades will cause scratches on the body or damage to the plumes.Β°C), the polarization layer may be detached OLED-Acetone or superglue instead of isopropyl alcohol will destroy the plastic clips of antenna attachment.

Step-by-step: how to disassemble Xiaomi Mi 5s switch battery

Before starting work, completely turn off the smartphone and remove it. SIM-Work on a clean, well-lit surface, and if you have long hair, tie it up, and getting your hair under the screen can damage the leakiness.

Step 1: Removing the back cover

In Mi 5s The back cover is fixed, it's glued to the frame, to separate it:

  1. Heat the hair dryer of the edge of the body around the perimeter (30-40 seconds on each edge).
  2. Suction suction the bottom of the screen (near the USB-Type C connector) and pull up.
  3. Insert a plastic mediator into the resulting gap and carefully lead it along the body, separating the glue.

If the lid doesn't respond, reheat the problem area. Don't use too much force, you can damage the fingerprint scanner plume.

Step 2: Turn off the plumes

After removing the cover, you will see:

  • πŸ”‹ Battery (stick to the body).
  • πŸ“Ά Antenna modules (black ribbons at the edges).
  • πŸ”Œ Battery connector (fixed by a screw).

First, turn off the battery:

  1. Unscrew the screw of the mounting of the battery connector (cross screwdriver). PH00).
  2. Carefully slap the connector with a plastic spatula and disconnect it.

Then turn off the plumes:

  • πŸ–₯️ Main display plume (at the top of the display).
  • πŸ‘† Fingerprint scanner plume (under the battery).
  • πŸ”Š Dynamic plume (right of the battery).

⚠️ Attention: If you don't turn off the battery before you run the plumes, you can shorten the board when you accidentally touch a screwdriver, and this will cause the power controller to fail, and the smartphone will stop turning on.

Step 3: Remove the old battery

Battery in Mi 5s glued to the body with double-sided tape to remove it:

  1. Put a plastic shoulder blade on the battery from any edge.
  2. Pull up carefully with the glue. If resistance is high, heat it with a hair dryer (no higher than 60).Β°C!).
  3. After extraction, remove the remains of the glue from the body with a cotton swab soaked in isopropyl alcohol.

Do not use a knife or metal tools – they can puncture the battery, which will lead to fire!

Step 4: Installation of a new battery

Before installation, check:

  • πŸ”Œ Contacts of the new battery coincide with the connector on the board.
  • πŸ“ Battery sizes are identical to the old one (permissible deviation) Β±1 mm).

Installation:

  1. Stick bilateral tape to the body (or apply a thin layer of glue) B-7000).
  2. Carefully put the battery in place, press for 10-15 seconds.
  3. Connect the battery connector to the board.

Step 5: Build a Smartphone

Gather Mi. 5s reversed:

  1. Connect all the plumes (display, fingerprint scanner, speaker).
  2. Make sure that the antenna modules are flat, without clamps.
  3. Stick the back cover. Warm it up with a hair dryer for reliability. (50)Β°C) and press for 5-10 minutes.

πŸ’‘

After assembly, do not turn on the smartphone immediately - let the glue grip for 15-20 minutes. This will prevent the screen from detaching.

What to do after replacing the battery 5s left out

If your smartphone doesn't respond to the power button, don't panic. 80 percent of the time, it's solved without going to the service.

Problem.Reason.Decision
The screen is not on, but the vibration is there.The display plume is not connected or damagedTake apart the smartphone and check the connection of the plume
No reaction to chargingInappropriate battery or damaged connectorCheck the battery voltage with a multimeter (should be 3.7–4.2V)
The Mi logo lights up and goes out.Failure of firmware or power controllerHold the volume.+ + Meals to enter the Fastboot and re-flash
Overheating and shutdownShort circuit on boardCheck the charge for damage, clean with alcohol

If the smartphone is turned on, but discharges quickly:

  • πŸ”„ Calibrate the battery: fully discharge, then charge to 100% without interruptions.
  • πŸ“± Reset settings through Settings β†’ Additionally. β†’ Reset.
  • πŸ”§ Check the background processes in Settings β†’ Battery β†’ Use of the.

If nothing helps, the board may be damaged (e.g., the charging controller) BQ25890). In this case, a diagnosis will be required at the service center.

How much does it cost to replace the battery with Mi? 5s service

The replacement prices in 2026 depend on the region and the status of the service center.

  • 🏠 Local workshops: 800-1500 β‚½ (battery-free).
  • 🏒 Official Xiaomi services: 1800–2500 β‚½ (6-month warranty).
  • πŸ›’ Electronics stores (Svyaznoy, M. Video): 1200–2000 β‚½ (They often use non-original batteries).

The cost of the work includes:

  • Disassembly/ssmartphone-bowl.
  • Diagnosis of the fee (if required).
  • Calibration of the new battery.

Self-replacement will cost less (the price of the battery is only from 900) β‚½), If you've never taken a smartphone apart, you should call the professionals.

⚠️ In the official services Xiaomi may refuse to replace the battery on Mi 5s, Check the phone for repairs beforehand.

How to extend the life of a new battery on Xiaomi Mi 5s

Even a high-quality battery will last longer if you follow the following simple rules:

  • πŸ”Œ Charge correctly: Use the original adapter 5V/2A or certified Quick Charge 3.0. Don't let the rank be lower. 10% and charge higher 90% (range β€” 20–80%). Avoid charging at a temperature below 0Β°C or higher 40Β°C.
  • πŸ“΅ Reduce the load: Turn off background activity of unnecessary apps in Settings β†’ Battery β†’ Optimize. Reduce screen brightness and latency before you turn off automatically. Use dark themes (on the screen). OLED-This reduces consumption by 15-20%).
  • πŸ”„ Calibrate the battery once every 3 months: completely discharge the smartphone, then charge to 100% without interruptions.

The average battery life when properly operated is 2-3 years (or 500-800 charge cycles), which can be extended to 4 years if you monitor the temperature and avoid deep discharges.

πŸ’‘

In the developer settings (Settings) β†’ The phone. β†’ Version. MIUI β€” tap 7 times) turn on the option β€œLimit background processes” and select β€œNo background processes” This will reduce battery load, but some notifications may come with a delay.

FAQ: Frequent questions about replacing the battery with Xiaomi Mi 5s

Can I put a battery with a larger capacity, for example, 4000 mAh?
No, in the Mi case. 5s It's not physically fitting a larger battery, a maximum of 3,300 mAh (like Patona or Baseus) and a 4,000-capacity battery.+ mAh will require modification of the body, which will lead to loss of tightness and risk of damage to the board.
The smartphone, after the battery is replaced, shows a 0% charge and does not charge.
It's probably a miscalibration. Try: plug the charger in and hold for 10 to 15 minutes.βˆ’ + Power for 20 seconds to reset. If it doesn't work, charge the battery with an external charger (e.g. iFixit LiPo Charger) to 3.8V, Then set it back up.
Do I need to clean the screen after replacing the battery?
Yeah, but you don't have to use the original glue. 3M 9448A Or Tesa 61395 securely locks the screen and makes it easy to disassemble the smartphone in the future, B-7000), apply a thin layer and let dry 1-2 hours before turning on.
How do I check if my original battery has been sold?
Xiaomi’s original battery for the Mi 5s has: logo Mi and article MBJ4057 Temperature sensor (a small black chip on the battery board), smooth, unburbed contacts, weight about 45-50 grams (fakes are often lighter), and you can also check the capacity with a multimeter or through the AccuBattery application after 2-3 charging cycles.
Can I replace the battery without turning off the plumes?
Absolutely not! If you don't turn off the battery before you run the board, you're at high risk of short circuits when you touch the screwdriver contacts (PMIC). Charging module (BQ25890). RAM or CPU (rarely) Even if the smartphone turns on after that, after a while, there may be problems with charging or stability of work.