Xiaomi Redmi S2 not included: reasons and solutions (step-by-step instruction 2026)

Xiaomi Redmi S2 smartphone stopped turning on?Don't panic - 80% of the time, the problem can be solved on your own without resorting to expensive repairs.This model, released in 2018, is still popular due to the balance of price and functionality, but, like any technique, it is not immune to failures. Causes can range from a dead battery to serious hardware malfunctions.

In this article, we will look at all the possible scenarios why the Redmi S2 doesn’t respond to the power button, and give you step-by-step instructions for diagnosing and troubleshooting. We will focus on software failures that are often mistaken for hardware failures. If you’re not an expert in electronics repair, don’t worry: most solutions don’t require disassembling the device.

Before you start taking action, answer two key questions:

  1. Is there a charging reaction (indicator, vibration, sound)?
  2. Was the failure preceded by a fall, moisture or an attempt at firmware?

These details will narrow down the possible causes by 50% and save you time.

1. Checking the underlying causes: charging and power button

Start with the basics, eliminate power problems. A broken battery and a faulty cable/charger are the leading causes of the smartphone's "imaginary death." Even if you're sure you charged your phone at night, check:

  • πŸ”Œ Use the original cable and adapter (or certified Quick Charge 3.0-enabled analogue). Cheap cables often don't provide enough current to run a discharged battery.
  • πŸ”‹ Connect to another power source: power bank, computer (USB 3.0). Ports USB 2.0 on older PCs may not provide enough power.
  • ⏱️ Leave on the charge at least 30 If the battery is completely discharged, the first 10-15 For a few minutes, there may be no reaction.
  • πŸ”„ Try "forced start": press the power button on 20-30 Sometimes it drops the frozen firmware.

⚠️ Warning: If the phone gets hot after charging, but doesn't turn on, it's a sign of a short circuit in the battery or power board!

πŸ“Š What have you tried to do?
Charged with another cable.
I pressed the power button.
I put it on the computer.
I've tried nothing.

If the charging indicator flashes red or burns white, but the phone does not start, the problem may be a damaged bootloader.

2. Diagnostics of hardware malfunctions

When the basic methods didn’t help, it’s time to check the physical condition of the device. Xiaomi Redmi S2 has typical β€œweaknesses” that manifest after 2-3 years of use:

Symptoms.Probable causeDecision
The phone vibrates when you press the power button, but the screen is black.Display plume has broken off or illumination is faultyDisassembly and inspection of plumes (experience required)
The phone warms up when charging, but does not turn onShort circuit in battery or power controllerBattery replacement or board repair
Reaction to charging is (indicator burns), but not turned onFailure of the power button or power chipChecking the button with a multimeter or replacing it
The phone is turned on only from charging, when disconnected, it turns offHeavy wear of the battery (capacity < 20%)Replacement of the battery with a new one

πŸ”§ Self-checking of the power button:

  1. Remove the back cover (need a mediator and a hair dryer to soften the glue).
  2. Disconnect the battery (required!)
  3. With a multimeter in vertebrae mode, check the contacts of the button when pressed.
  4. If the resistance does not change, the button is faulty.
How to safely disassemble Redmi S2?
Use a plastic mediator and a hair dryer (temperature no higher than 60Β°C. Start at the bottom edge where the latches are located. Don't use force - the body is attached to glue and latches that are easy to break.

⚠️ Warning: If you find oxidation on the board (greenish coating) or a bloated battery - further diagnosis without special equipment is dangerous.

3. reset to factory settings (Hard Reset)

If the phone is responding to charging (the indicator is on) but does not load beyond the Xiaomi logo, the problem may be a software failure.In this case, a hard reset will help. All data will be deleted!, but this is often the only way to bring the phone back to life.

πŸ“Œ Instructions for Xiaomi Redmi S2:

  1. Turn off the phone (if it is in the reboot cycle - wait for the battery to discharge).
  2. Press the Power button + Volume up for 10-15 seconds at the same time.
  3. When the Mi logo appears, release the buttons and you will be taken to Recovery Mode.
  4. Use volume buttons to navigate, select Wipe Data β†’ Wipe All Data.
  5. Confirm the action and wait for the process to be completed.
  6. Select Reboot to reboot.

⏳ The process may take up to 5-10 If after the reset, the phone stayed on the logo longer 20 minutes, which indicates that the system files are damaged. 4).

β˜‘οΈ Preparation for Hard Reset

Done: 0 / 4

4. Flashing through Fastboot (for advanced users)

When the reset does not help, and the phone is determined by the computer in Fastboot mode – there is one last chance to bring it back to life: flashing the official MIUI. This method requires a PC, USB-Cable and basic command line skills.

πŸ”— Step-by-step instruction:

  1. Download the official firmware for Redmi S2 (codename ysl). Select the Fastboot version.
  2. Unpack the archive in a folder on the disk C:\ (case: C:\MIUI\ysl_global_images...).
  3. Install ADB and Fastboot drivers.
  4. Connect the phone to the PC by clamping Volume Down + Power (Fastboot mode).
  5. Open the command line in the firmware folder and execute: fastboot flash all The process will take 5-10 minutes.
  6. Upon completion, type in fastboot reboot

πŸ’‘ Important: If a remote error occurs during firmware: 'Flashing is not allowed in Locked State', you have a bootloader blocked:

  • Link your Mi Account to your device (if your phone is turned on at least once).
  • Apply for unlocking through the official Xiaomi website.
  • Wait 72-168 hours (waiting time depends on the region).

πŸ’‘

If the firmware is interrupted, do not disconnect the phone from the PC! Repeat the command fastboot flash all - the tool will continue the process from the cliff.

5 Problems after falling or getting moisture

Xiaomi Redmi S2 There is no official protection from water (IP-certificates, so even a slight ingress of moisture can cause corrosion of contacts or short circuit:

πŸ’‘

Never dry your phone with a hair dryer, battery or rice! hot air speeds up oxidation, and rice doesn't absorb moisture from the internal components.

🚨 Emergency actions in case of moisture:

  1. Turn off your phone immediately (don’t press the buttons if it’s already off).
  2. Extract. SIM-card and memory card (if any).
  3. Soak the visible moisture with a napkin (do not rub!).
  4. Place your phone in a sealed silica gel container (shoe box bags) for 48-72 hours.
  5. Do not turn it on until you are sure of complete dryness!

⚠️ Warning: If the phone turns on after moisture hits, but the screen flashes or the sensor doesn't work, it's a sign of damage to the plumes!

πŸ”§ After drying:

  • πŸ” Check the moisture indicator (white circle under the battery - if it turned red, there was moisture).
  • πŸ”‹ Try to turn on the phone without SIM-memory-cards.
  • πŸ› οΈ If not included – requires cleaning the board ultrasound (in the service center).

6. When to contact the service center

Not all breakdowns can be repaired on your own, here are 5 signs your Redmi S2 needs professional repairs:

  • πŸ”₯ The phone overheats even without charging (a sign of a processor malfunction or board).
  • πŸ’₯ The battery swelled (seems to be on the raised back cover).
  • ⚑ After the fall, cracks appeared on the board (see when disassembling).
  • πŸ–₯️ The computer does not detect the phone in any mode (Fastboot, Recovery, EDL).
  • πŸ”„ The phone is cyclically rebooted without access to the Recovery menu.

πŸ’° The cost of repairing Xiaomi Redmi S2 2026 (average prices):

Type of repairCost (β‚½)Date(s)
Battery replacement1 200 β€” 1 8001
Replacement of the display module3 500 β€” 5 0001-2
Repair of the board (cleaning, soldering)2 000 β€” 8 0002-5
Flashing through EDL (if the bootloader is blocked)1 500 β€” 3 0001-3

πŸ” How to choose a service center:

  • πŸ“Œ Check reviews on Yandex.Maps or 2GIS (look for mentions of Redmi) S2).
  • πŸ’¬ Check if they use original parts or analogues.

7. Prevention of problems in the future

To make your Xiaomi Redmi S2 last longer, follow these guidelines:

  • πŸ”‹ Don't discharge the battery before 0%. Optimal range β€” 20-80%. Full discharge reduces service life.
  • πŸ”Œ Use only original chargers. Cheap adapters can damage the power controller.
  • πŸ“± Update the firmware, but do not install custom ROM lacking.
  • 🚫 Avoid overheating: Do not leave your phone in direct sunlight or on charging near heat sources.
  • πŸ’§ Protect yourself from moisture. Even high humidity can cause corrosion over time.

πŸ“Š Redmi breakdown statistics S2 (According to the data of service centers, 2023):

  • 35% - problems with the battery (blown, loss of capacity).
  • 25% - software failures (floating on the logo, bootloop).
  • 20% - mechanical damage (falls, cracks of the board).
  • 15% is moisture.
  • 5% - other causes (faulty buttons, plumes).

πŸ’‘

Regularly cleaning the cache through Recovery Mode (every 3 months) reduces the risk of software failures by 40%.

FAQ: Frequent questions about Xiaomi Redmi S2 malfunctions

πŸ”‹ The phone won't turn on, but when you connect to the charger, it shows a red indicator?
A red indicator means that the battery is below critical level. Leave the phone charging for at least 1 hour (preferably the original adapter). If the indicator has not changed to white/green after an hour, there is a problem with the battery or power board. Try Hard Reset.
πŸ“± The screen is black, but the phone vibrates when you press the buttons?
It's probably a backlight failure, or a display plume has detached, so try flashing the lights on the screen -- if you see a dim image, the backlight problem -- if you don't, a plume or a matrix -- you need to disassemble.
πŸ”„ The phone is stuck on the Xiaomi logo and does not load any further?
It's a typical bootloop. Try: Go to Recovery Mode. + Volume up, and make Wipe Cache. If it doesn't work, Hard Reset. If that doesn't work, then flash it over Fastboot.
πŸ’¦ The phone fell into the water and didn't turn on?
The chances are, but they depend on the time you're in the water and the type of liquid (fresh water is less dangerous than salty or sugary drinks). Turn off your phone immediately, remove the battery (if possible) and follow the drying instructions. Don't turn on at least 48 hours! If the phone doesn't turn on after drying, contact the board cleaning service.
πŸ”§ How much does a Redmi repair cost? S2 And whether it should be repaired in 2026?
The cost of repair depends on the breakdown: battery: 1 200–1 800 β‚½ (Display, appropriate: 3 500–5 000 β‚½ (It's cheaper to buy a used phone if there's other problems: 2 000–8 000 β‚½ (It is justified if the phone is in good condition. 2026 redmi S2 It is worth fixing if: The problem is only with the battery or software. The phone is used as a spare or for specific tasks (for example, the phone is used for a special purpose, GPS-You are tied to the device because of the data (but in this case it is better to remove the memory and transfer the data to a new phone). + battery + repair board, it is more cost-effective to buy a redmi note 7/8 (near 5 000–7 000 β‚½).