Xiaomi does not turn on: full instructions for diagnosis and repair

You pressed the power button on Xiaomi, but the screen is black, the indicators are not on, and the device is not showing signs of life? This situation is familiar to many owners of smartphones, TVs and other brand equipment. The reasons can range from trivial battery discharge to serious hardware breakdowns. In this article, we will analyze all possible scenarios why Xiaomi does not turn on, and give step-by-step instructions for each case, from simple actions to complex manipulations with firmware.

It's important to understand that the algorithm of actions depends on the type of device, for example, for a Redmi Note 12 smartphone and a Mi TV. TV Q2 We'll look at generic methods, and we'll look at unique solutions for specific lines of technology, and if you've read this article, you'll know if you're going to be able to carry it to service or if you can do it yourself.

Warning: some manipulations (for example, disassembly of the case or flashing) can deprive warranty or aggravate the breakdown. All actions you perform at your own risk. For devices for warranties, it is better to immediately contact the authorized Xiaomi service center.

1. Primary diagnosis: what to check first

Before you panic, do some basic checks, and 60 percent of the time, the problem is solved at this point.

• 🔋 Charging and power: Connect the device to the original charger (don't use cheap Chinese adapters!). For smartphones, try another cable and socket. For TVs, check if the indicator on the power supply is on.
• 🔄 Forced reboot: Press the power button for 15 to 30 seconds. For some smartphone models (e.g., for example, for the first time, POCO F5) a combination of food is required + Loudness up.
• 🔍 External signs of damage: Check the body for cracks, dents, traces of fluid. HDMI-cables.
• 🌡️ Overheating or supercooling: If the device has been in the cold or in direct sunlight for a long time, give it 1-2 hours to adapt to room temperature.

If Xiaomi still doesn’t turn on after these manipulations, move on to the next section.For smartphones, also try connecting it to your computer via a computer. USB — If the PC makes a connection sound, the problem may be in the screen or plume.

Battery problems: how to check and what to do

For Xiaomi smartphones and laptops, the most common cause of a dead battery is a faulty battery. Even if you're sure you charged the device, the battery could fail because of:

• ⚡ Deep discharge (below 2.5 V)
• 🔥 Bloating (physical damage)
• 🕒 Natural wear (life of Li-ion batteries – 2-3 years)

To diagnose the battery:

1. Connect your smartphone to charge, and pay attention to the indicator, if it doesn't light up at all, chances are the battery is completely discharged or damaged.
2. Try to "wake up" the battery: connect the charger, then pinch the power + Loudness down for 20 to 30 seconds, sometimes it helps start the charging process.
3. For models with removable battery (for example, Redmi) 4A) Remove the battery for 5 minutes, then set back and try to turn on.

If the charging indicator flashes red or burns constantly but the device does not turn on, this may indicate:

• 🔌 Failure of the power controller (requires repair)
• 📱 Damage to battery plume (frequent problem after falls)
• 🔋 Short circuit in the battery (dangerous!)

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If the battery is swelling, DO NOT try to charge or use it!

For Mi TVs, TV The power problem is often connected to the power supply. If the light on the case is not on, check:

• Integrity of the network cable
• Voltage in the socket (should be 220-240 V)
• Safety on the board (if you have experience disassembling equipment)

3. Software failures: how to get out of the "brick"

If the Xiaomi device is responsive to charging (the indicator is on), but does not turn on beyond the logo or hangs on the screensaver - the problem is most likely software.

• 🤖 Firmware failure after update
• 📱 Damage to system files (for example, after rooting)
• 🔄 A looped bootloader (infinite reboot)

For smartphones and tablets Xiaomi has several ways to recover:

Method 1: Hard Reset (Hard Reset)

This procedure will delete all data, but often helps bring the device back to life.

1. Turn off the device (if it is suspended - press the power for 15 seconds).
2. Click the combination: For most models: Nutrition + Loud up For POCO And some of the Redmis: Nutrition. + Loudness up + Loudness down

Mi

Recovery

Wipe Data → Wipe All Data

After resetting, restart the device.

Method 2: Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fastboot Fast Fastboot Fastboot Fast Fastboot Fast Fastboot Fast Fastboot Fast FastBoat Fast Fast Fast FastBoat

If the hard reset didn't work, you'll need to reinstall the firmware.

• 🖥️ Computer with installed Xiaomi drivers and Mi Flash Tool
• 📥 Official firmware for your model (you can download it on the Xiaomi website)
• 🔌 Cable USB (preferably original)

Step-by-step:

1. Unpack the firmware in a folder without Cyrillic symbols.
2. Turn off your smartphone and put it in Fastboot mode: Press the power + Volume down for 10 seconds. Connect to a PC, it should be defined as a Fastboot device.

Mi Flash Tool

Refresh

Clean All

Flash

Wait for the finish (5-10 minutes) and restart the device.

Download the firmware for your model|Install the Mi Flash Tool|Install drivers ADB/Fastboot|Prepare the cable. USB|Charge your smartphone at least 50%|Backup important data (if possible)

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For Mi TVs, TV The recovery process is more complex and requires:

• 📁 Firmware in.pkg format for a specific model
• 🖥️ USB-the storage device (formatted in FAT32)
• 🔧 Knowledge of the path to the service menu (usually Settings) → On TV. → Update of the PO)

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If the Xiaomi TV doesn't turn on after you've firmware, try disconnecting it for 5 minutes, then hold the power button on the remote for 10 seconds. Sometimes this resets the system's cache.

4. Hardware breakdowns: when without repairs can not do

If all software methods have been tried, but Xiaomi still doesn’t turn on, the problem is probably hardware.

For Xiaomi smartphones, chip failure is a common problem (especially after falls).

• 📱 The device vibrates but does not turn on
• 🔋 Fast discharge (from 100% to 0% per hour)
• 🔥 Overheated when switched off

This requires re-solding of the chips on specialized equipment, the cost of repair depends on the model:

• 💰 Redmi 9A — 3,000 ₽
• 💰 Xiaomi 13 Pro - from 8,000 ₽
• 💰 POCO X5 — 4,500 ₽

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If Xiaomi’s smartphone fell into the water, even after drying, corrosion on the board can appear in months, in which case repairs will cost more because of the need to clean contacts.

For Mi TVs, TV fault-breaking:

• 💥 Burned power supply (often after a voltage surge)
• 🖥️ Malfunction T-CON board (no image, but there is sound)
• 🔍 Damage to the matrix (cracks, broken pixels)

The cost of repairing Xiaomi TVs:

• 📺 Mi TV 4A (replacement of the power supply unit - from 2,500 ₽
• 📺 Mi TV Q1 (replacement matrix) - from 15 000 ₽
• 📺 Mi TV P1 (repair of illumination - from 5 000 ₽

5. Features for different Xiaomi models

Some Xiaomi devices have unique “diseases” that you should know about:

Redmi Note smartphones (series 8-12)

A common problem is the charging controller failure.

• 🔌 Charging is only in the off state
• 📉 Battery percentage jumps (for example, from 50% to 1%)
• ⚡ The device is powered only by charging

Solution: Replacement of the power controller (cost: 2,000–4,000) ₽).

Mi TVs TV 4S/4A

The weak spot is the power supply. If the TV doesn't turn on, but the light flashes red, try:

1. Shut down for 1 minute.
2. Press the power button on the case (not on the remote!) for 10 seconds.
3. If it does not help, you need to replace the capacitors in the power supply.

Mi Notebook laptops

Typical problems:

• 🔋 It does not turn on after full discharge (it is required to "wake up" the battery by connecting charging at 12).+ hours)
• 🖥️ Black screen after update BIOS (I need to re-flash through CH341A)
• 🔌 Charging is not working due to wear of the connector (a common problem with the Mi Notebook Air)

Fitness bracelets Mi Band

If the bracelet is not activated:

• 🔋 Check charging contacts (often oxidized)
• 🔄 Reset the settings by holding the button for 20 seconds
• 📱 Reinstall the Mi Fit app and update the firmware

6.When to contact the service: checklist before the visit

If you've exhausted all your self-repair options, prepare to visit the service center to save time and money:

Original check (if guaranteed)|Box and components|Remote/charge (if any)|Passport (for warranty repair)|Recording of serial number (in case of loss of sticker)|Photo of malfunction (if there is external damage)

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The cost of repairs in informal services may be lower, but there are risks:

• ⚠️ Use of non-original spare parts
• ⚠️ Data loss (if you don’t make a backup)
• ⚠️ Lack of job security

Official Xiaomi service centers in Russia (2026):

• 📍 Moscow: 16 Leo Tolstoy St. (at the Atrium shopping center")
• 📍 St. Petersburg: Ligovsky Prospect, 108 (in the shopping center "Gallery")
• 📍 Yekaterinburg: 8 March, 202 (in the shopping center "Greenwich")

Warranty repairs are up to 30 days, and smartphones are usually:

• 📱 Replacement of the display - 3-5 days
• 🔋 Replacement of the battery - 1-2 days
• 🖥️ Repair of fees - 7-14 days

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Before handing over the device to the service, take a photo of it from all sides and take screenshots. IMEI (typing *#06#. This will help to avoid replacement parts.

7 Prevention: How to avoid problems in the future

To make your Xiaomi device last longer:

• 🔋 Battery: Do not discharge below 10% Use original chargers Avoid overheating (do not leave in the sun)
• 📱 Smartphone: Install updates in time Do not drop or wet the device Clean the connectors from dust once every 3 months
• 📺 TV: Use network filters from voltage surges Do not block the ventilation holes Update the software through official channels

If your Xiaomi smartphone is released before 2020 (like the Redmi Note 7 or Mi 9), avoid updates before the end of the year. MIUI 14+. On older models, the new firmware can cause failures in the communication module and rapid battery discharge.

For Mi TV owners TV Android TV 11+ recommend:

• 📥 Disable automatic updates in Settings → On TV. → Update of the PO
• 🔄 Once a month, make a cache reset via Settings → Annexes → Application management → Clear the cache

FAQ: Frequent questions