Xiaomi Redmi 8 not included: full instructions for diagnosis and repair

Xiaomi Redmi 8 stopped turning on after a drop, discharge or update? Don't rush to carry it to the service center - in 70% of cases, the problem can be solved yourself. MI It's not life-saving, and we've collected all the possible causes, from the simple discharge of the battery to the serious hardware malfunctions, and we've detailed what to do in each situation.

The peculiarity of Redmi 8 (codenamed olive) is that its “not turning on” often masks several different problems, such as a black screen that can mean both a display failure and a bootloader locking after a failed firmware, so to avoid wasting time on useless actions, first identify the symptom:

• 🔋 The smartphone does not respond to charging and power button (no vibration, indication, sounds).
• 🔄 The device vibrates when charging is connected, but does not turn on.
• 📱 The logo lights up. MI/Redmi, But no more downloading (bootloop).
• 🖥️ The screen remains black, but the smartphone is determined by the computer.

In this article, you'll find step-by-step instructions for each case, and a table with typical causes and solutions, and if after all the manipulations, Redmi 8 never worked, at the end there's a checklist to prepare for a visit to the service.

1.Diagnostics: Why Redmi 8 doesn't turn on

Before you try to reanimate a smartphone, it’s important to understand what you’re dealing with: Hardware breakdowns (like a battery plume dump) and software failures (damaged firmware) require different approaches.

Charging and battery check:

• 🔌 Get Redmi on board. 8 to the original charger (5V/2A) Leave it on 30–60 If the charging indicator doesn't light up, try another cable and power supply.
• 🔋 Try to turn on the smartphone on charging – sometimes the sat down battery does not allow you to start even from the network.
• 🔄 If after connecting to charging the smartphone vibrates 1 time - this is a sign that the battery takes charge, but its level is not enough to turn on.

Check the reaction to the buttons:

• 📱 Press the power button for 10-15 seconds. If the smartphone vibrates or the logo appears, the problem is more software.
• 🔧 Try the combination of nutrition + Volume up (Fastboot mode) If the screen lights up, the hardware is fine.
• 🖥️ Connect your smartphone to your computer. If it's defined as Qualcomm HS-USB QDLoader 9008 is a sign of hardware failure (often after a failed firmware).

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If the smartphone doesn't respond to the buttons, but when you connect to the charging, you hear one short signal, it can mean a circuit on the board, in which case self-repair is dangerous!

2. Software glitches: bootloop, getting stuck on logo

If Redmi 8 is turned on, but hangs on the logo MI Or Redmi, or it's cyclically bootlooped, or it's outputting a No command error -- the problem is almost certainly the firmware:

• 📱 Interrupted update MIUI via the phone → Updating the system.
• 🔄 Failed firmware via Fastboot or Recovery.
• 🛠️ Resetting settings (hard reset) with errors.
• 🦠 Viral software or damage to system files.

How to fix it:

Method 1: Hard Reset via Recovery

1. Turn off your smartphone (clip the power for 10 seconds).
2. Press Power + Volume up until the MI logo appears.
3. From the Recovery menu, select Wipe Data → Wipe All Data (control – volume and power buttons).
4. Confirm the reset and restart the device.

⚠️ Warning: This method will delete all the data on your phone, including photos and apps, and if you had Mi Account enabled, you'll need to enter your username and password after reset.

Method 2. Firmware through Fastboot

If the reset didn't work, you'll need to reflash the smartphone.

1. Download the official firmware for Redmi 8 (select the Fastboot version).
2. Unpack the archive in the platform-tools folder (from Android SDK).
3. Connect your smartphone to your PC in Fastboot mode (clip Power + Volume down).
4. Launch the file. flash_all.bat (For Windows, or type the command in the terminal: fastboot flash all

It takes 5-10 minutes, and when it's done, it'll restart.

Hardware malfunctions: from battery to motherboard

If the Redmi 8 doesn't show any signs of life -- it doesn't vibrate, it doesn't warm, it doesn't detect the computer -- the problem is almost certainly the hardware.

The most common hardware problems of Redmi 8:

• 🔨 Chip dump - after a fall, memory chips (eMMC) or processor can leave. Diagnosed only in the service using a microscope.

Critical information: if the Redmi 8 falls into water or is subjected to severe vibration (for example, in a car), it cannot be connected to the charge until completely dry (minimum 48 hours in rice or silica gel).

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If the smartphone does not turn on after a fall, but before that worked properly — in 90% of cases, the problem is mechanical damage to the board or the piling of plumes. Self-repair without experience is fraught with aggravation of the breakdown.

4.Redmi 8 won't turn on after update: what to do

Updates MIUI Sometimes they lead to a smart phone building:

• 📱 The update was interrupted due to battery discharge or Internet outage.
• 🔄 There is no firmware installed for this model (for example, for Redmi). 8A instead of Redmi 8).
• 🛠️ Conflict with the custom recaveri (TWRP) ortho-right.

How to restore:

Step 1. Try to return to factory firmware through Recovery

1. Press Power + Volume Up to Enter Recovery.
2. Choose Connect with MI Assistant (if there is such a point).
3. Connect your smartphone to your PC and use the Mi Flash Tool to run the official version MIUI.

Step 2. Firmware in mode EDL (if the smartphone is not determined)

If Redmi 8 is defined as Qualcomm HS-USB QDLoader 9008 will be required:

• Download firmware for EDL (For example, with Xiaomi Firmware Updater).
• Install Qualcomm drivers and Mi Flash Tool.
• Connect your smartphone to a PC with a clamped button Volume up + Loudness down (for forced transition to the EDL).
• In the Mi Flash Tool, select Clean All mode and run the firmware.

⚠️ Attention: Firmware in EDL If you don't have one, contact the service - self-attempts can lock the device permanently.

Download the firmware for your model (olive)

Install Qualcomm drivers

Connect the original USB-cable

Charge the battery by at least 30%

Backup of data (if possible)

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5.Redmi 8 does not turn on after a fall or impact

Mechanical damage is one of the most common causes of Redmi 8 death, and even if the smartphone looks whole, it could have been damaged inside:

• 🔋 Battery plume - departs from the board, because of which the smartphone does not receive power.
• 🖥️ Display plume – the screen remains black, but the device can vibrate or make sounds.
• 🔌 Charging contacts – oxidized or bent, preventing charging.
• 🛠️ Microchips on the board - fall off or crack (most often suffers from it) PMIC — power-train).

What you can do on your own:

1. Check the battery: Carefully remove the back cover (need a mediator or a plastic spatula). Check the battery for bloating or damage. If it's deformed, don't turn on the smartphone! Check if the battery plume fits tightly into the circuit board connector.
2. Look for blackened or burned elements, traces of oxidation (green plaque), check if the contacts of the antennas or cameras are leaving.
3. Try to "resuscitate" contacts: If there is oxidation on the board, gently clean it with an alcohol solution (at least 90%) and a brush. Don't use acetone or solvents - they can damage the board!

⚠️ Warning: If you've never taken a smartphone apart, it's best not to take any risks. Mishandling the board can short-circuit and permanently fail the device. In the service, the diagnosis of mechanical damage costs from 500 rubles, and repair (for example, soldering of the plume) - from 1,500 rubles.

6. Redmi 8 is not turned on after discharging to zero

Redmi 8 lithium-ion batteries (5,000 mAh) are afraid of a deep discharge. If the smartphone was discharged to 0% and was so for several days, the battery could go into protective mode, blocking charging.

• 🔌 When connecting the charging there is no reaction (no indication, vibration).
• 🔋 If left on charging for 1-2 hours, the smartphone can slightly heat up, but not turn on.
• 🖥️ The computer does not detect the device.

How to "wake up" the battery:

1. Use the original RAM: Connect your smartphone to charge for 2-3 hours, even if there is no reaction. Sometimes the battery starts to take charge only after a long time.
2. Try a "push" from another source: Connect to Power Bank with Quick Charge support. Use charging from another Xiaomi smartphone (like the Redmi Note 8 Pro). USB-Computer ports (sometimes they give a more stable voltage).

Hot charging method (if the battery does not react at all):

Carefully heat the back of the smartphone with a hairdryer (temperature not higher than 50)°C) for 5-7 minutes, then immediately connect to the charger. Do not overheat - this may damage the board!

If after these manipulations the smartphone has not turned on, most likely, the battery failed and needs to be replaced.The cost of a new battery for the Redmi 8 is about 1,000-1 500 rubles (depending on capacity).

7. When to contact the service: prices and guarantees

If all these methods did not help, it is time to bring the Redmi 8 to repair.

How to choose a service:

• 🛠️ If the smartphone is warranty, contact the authorized service center Xiaomi (the list is on the official website).

⚠️ WARNING: If you are offered a photo or no-diagnosis repair, this is a reason to be wary. An honest service will always check the device first and give you the exact cause of the breakdown.

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Before visiting the service, back up your data (if your smartphone is responding in any way) and delete your personal information. In some cases, the wizard can reset the device to factory settings without warning.

8 Checklist before visit to service

If you want to take Redmi 8 to the repair, prepare in advance:

Passport (for warranty repair)

Check or box (if retained)

Charger (for verification)

List of symptoms (when and after what stopped being included)

Login and password from Mi Account (if you need to unlock)

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What to ask the master:

• 🔧 «What exactly is the cause of the breakdown? (ask to show on the board or test equipment).
• 💰 «How much will it cost to repair parts? (ask breakdown: work) + detail).
• ⏳ «How long will it take to repair? (if they say “in an hour”, but the diagnosis has not yet been made – this is suspicious).
• 📋 «Do you have a job and spare parts guarantee? (if not, look for another service).

What not to do:

• ❌ Do not agree to a repair unless you are sure of the cause of the breakdown.
• ❌ Do not leave your smartphone in the service without a contract (even if the “master is familiar»).
• ❌ Do not pay for the diagnosis, if it is not included in the cost of repair (in most services, the diagnosis is free when ordering repairs).

FAQ: Frequent questions about Redmi 8 malfunctions