Xiaomi Redmi 7 phone does not turn on and does not respond to charging: what to do in 2026

Your Xiaomi Redmi 7 has become a brick: it doesn’t show signs of life when you press the power button, doesn’t react to the charger’s connection, and the screen stays black? The situation is familiar to many owners of this budget smartphone, released in 2019. The reasons can range from a trivial battery discharge to serious hardware breakdowns — but in 80% of cases the phone manages to “reanimate” yourself without resorting to a service center.

In this article, we will discuss all possible scenarios why Redmi is a good idea. 7 It doesn't turn on or charge, from software failures to physical damage to the board, and you'll learn how to do diagnostics at home, which manipulations are safe for beginners, and when it's best to carry the device right away for repair. We will pay special attention to the unique “chips” of this model – for example, the problem with the power controller. PM6150, often manifested after 3-4 service.

1. Primary diagnosis: exclude obvious causes

Before you take your phone apart or carry it to the service, check the basics. Often the problem lies in the little things that even experienced users overlook.

• 🔌 Check the charger and cable.Use the original Xiaomi power supply (5V/2A) Or a certified analog. Connect the phone to another. USB-port of the computer – if charging started, the problem is in the charger.
• 🔋 Evaluate the battery status.Redmi 7 battery-powered 4000 mAh, which is through 3-4 a year may be lost 50% If the phone was dead for more than a month, the battery could go into "deep discharge».
• 🌡️ Check the temperature of the case. If the phone overheats (for example, after playing or charging in the sun), it can block the on until cooling.
• 🛠️ Look at the charging connector. Redmi 7 uses Micro-USB, which over time loosens or oxidizes. Light a flashlight to the port — if you see foreign objects or corrosion, clean it carefully with a toothpick.

If the phone still doesn't show signs of life after these checks, move on to the next step, a Redmi 7 feature: with the battery completely discharged, the charging indicator may not light up for the first 10-15 minutes - let the phone lie on charging for at least 30 minutes.

2. Forced reset and reset settings

If the phone doesn't turn on but responds to charging (e.g., the lights turn on), try a hard reboot, which is safe and doesn't delete data, but helps with the system freezes.

For the Xiaomi Redmi 7, the key combination is: Press the power button + volume button for 10-15 seconds. If the phone is live, it should vibrate and reboot. If there is no reaction, try holding the buttons for up to 20 seconds.

If the reboot doesn't work, the next step is to reset the factory settings via Recovery, which will delete all the data, but can bring the phone back to life.

1. Turn off the phone (if it is on, hold the power button for 10 seconds).
2. Press Power + Volume Up until the Mi logo appears.
3. From the Recovery menu, select Wipe Data → Wipe All Data (use volume buttons for navigation, power for confirmation).
4. After reset, select Reboot → Reboot to System.

⚠️ Warning: If the phone has been stuck on the Mi logo for more than 5 minutes after reset, this is a sign of firmware damage).

Tryed forced reboot |Plugged to the original charger |Put the battery inflated |Put backup of important data (if the phone is sometimes turned on)|Make sure the buttons didn't stick-->

Battery problems: how to wake up a fully discharged battery

Redmi 7 is known for the problem with the charging controller, which can block the power supply if the battery is discharged below 2.8V. In this case, standard charging will not help - you need to "push" the battery with an external source of current.

Resuscitation methods:

• 🔧 Use the frog. Connect the battery to a universal charger (sold in electronics stores) on the 10-15 minutes, then set back to the phone and try to turn it on.
• 🔌 Charging from another phone.If you have a second Xiaomi with Micro-USB, connect it to a idle Redmi 7 cable (via a idle Redmi 7) OTG-Sometimes it helps to wake up the controller.
• 🔋 Battery replacement: If the battery blows up or its capacity drops below 60%, replacement (cost) ~1500-2000 ₽) He often solves a problem. 7 fits battery MB-J16.

If the phone turns on after this manipulation, but quickly discharges or turns off at 20-30% charge, this is a sign of wear and tear of the battery. Check its condition in the engineering menu (#4636## → Battery information).

4.Firmware problems: Fastboot recovery

If the phone vibrates when you connect the charger, but it doesn't turn on or it's stuck on the logo, it's likely that the firmware is damaged. In Redmi 7, it often happens after a failed update or reset. The solution is to reflash the phone through Fastboot mode.

You'll need:

• Computer with Windows 10/11.
• Original. USB-cable (preferably from Xiaomi).
• The Mi Flash Tool.
• The firmware for Redmi 7 (codenamed onc) is from the Xiaomi Firmware Updater website.

Step-by-step:

1. Turn off the phone. Press Power + Volume down until the bunny appears in the hat-eared (Fastboot mode).
2. Connect your phone to your computer. Install the drivers (if necessary).
3. Open the Mi Flash Tool, select the downloaded firmware (unpacked into a folder).
4. Press Refresh, the program must detect the device. Select Clean All and press Flash.
5. Wait for the process to finish (5-10 minutes) and the phone will reboot automatically.

⚠️ Note: If the Mi Flash Tool gives an error critical partition flashing is not allowed, then the phone is locked bootloader).

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If the phone doesn't turn on again after firmware is installed, try repeating the process with a different firmware version, for example, instead of a global (MIUI Global) install a Chinese (MIUI China) or vice versa.

5. Hardware breakdowns: what can be repaired independently

If the software methods didn't work, the problem is the hardware. Redmi 7 is more likely to fail.

If you decide to disassemble the phone yourself, follow the instructions:

1. Turn off the phone. Remove the back cover (it's on the latches, put a perimeter mediator in it).
2. Unscrew 10 screws (under the cross screwdriver) and carefully remove the metal plate.
3. Disconnect the battery plume (it is glued, pull carefully!).
4. Check visually for chips, swollen capacitors or traces of oxidation.

The most common "jobs" in self-repair:

• 🔧 Display plume damage (leads to white screen or missing image).
• 🔥 Overheating of the board during soldering (can burn the processor or memory).
• 🔋 Incorrect battery connection (short circuit).

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If you’re unsure of your soldering skills – don’t take the risk! the Redmi 7 comes with a two-layer fee, and careless repairs can result in irreversible damage.

6.When to contact the service: signs of serious breakdowns

There are symptoms where self-repairing is useless or even dangerous.

• 🔥 The phone is warming for no reason (even when it's off) and it's a sign of a short circuit on the board that could cause a fire.
• 💦 The board shows traces of corrosion or moisture (even if the phone did not sink - humidity in the room can also damage components).
• 🔌 The phone is not defined by the computer in any mode (Fastboot, Recovery, charging).
• 📱 The screen remains black, but the phone vibrates and makes sounds – this can be damage to the graphics chip or the display plume.

Average cost of repairs in service centers (2026):

• Replacement of the power controller — 2500-4000 ₽.
• Post-bay renovations — 3000-6000 ₽ (depending on the degree of damage).
• Replacement of processor or memory — 5000-8000 ₽ (unprofitable for Redmi 7).

If the phone is older 4 years and repairs cost more 5000 ₽, It makes sense to consider buying a new device. 12 or POCO M6 Pro's gonna cost you 12-15 thousands of dollars, but will be much more productive and modern.

7. Prevention: how to prolong the life of Xiaomi Redmi 7

To avoid problems with turning on and charging in the future, follow these tips:

• 🔋 Don't discharge your phone to zero. Optimal charge range — 20-80%. Full discharge kills Redmi battery 7 post 100-150 cycle.
• 🔌 Use the original chargers. Cheap Chinese power supplies can give off unstable voltages that damage the charging controller.
• 🌡️ Avoid overheating. Do not charge your phone in direct sunlight or play heavy games while charging.
• 📱 Update the firmware. In new versions. MIUI Frequently fix power bugs. Check for updates in Settings → The phone. → Updating the system.
• 🛠️ Clean the charger connector once in a while 2-3 Use a wooden toothpick and alcohol to remove dust and oxidation.

If the phone is already "glutching" (spontaneously shutting down, does not hold a charge), back up important data. To do this, connect it to your computer and copy files manually or use Mi PC Suite.

FAQ: Frequent questions about Xiaomi Redmi 7