Xiaomi Redmi Note 4: How to turn on without the power button

When the power button on a smartphone stops responding, it often takes the owner by surprise. For owners of the popular Xiaomi Redmi Note 4, this problem can become critical, as it is the mechanical switch that often fails here due to active use. However, it is too early to panic, because there are several proven ways to activate the device even with a physical control that is not working.

Before you bring your device to the service center, you should try software and hardware methods that can start the system without using a standard key. In this article, we will discuss in detail how to turn on the Redmi Note 4 without a button using a computer connection, chargers and special engineering combinations. It is important to understand that if the phone is completely discharged (0%), first you need to leave it on charging for at least 30-40 minutes.

The effectiveness of each method depends on the current battery status and the version of the MIUI firmware installed on your device. We will look at both the standard features of the Android operating system and the deep diagnostic methods available at the bootloader level.

Using a computer connection to activate

One of the most powerful ways to launch the Xiaomi Redmi Note 4 is to simulate a signal to connect to a PC. When the smartphone receives power and data signal through the device. USB-The port, its power controller, can initiate the system start-up process. USB-cable and computer with drivers installed or just running USB-port.

Connect the phone to the computer via cable. In some cases, the device may automatically go into charging mode, but not turn on. To trigger the start, try to simultaneously press the volume buttons (both at once) while connecting the cable. This method often works if the problem lies in sticking or breaking the mechanical contactor of the button.

If the standard connection failed, you can use utilities for ADB (Android Debug Bridge) if the phone previously had USB debugging enabled. the adb reboot command is able to restart the device remotely. However, if the phone is completely off, this method will not work without first activating the bootloader.

⚠️ Warning: When connected frequently to unknown computers or low-quality chargers, there is a risk of power surges. Use only verified cables so as not to damage the motherboard's power controller.

There's also a port-swing method: Try to quickly insert and remove the USB plug into the phone's connector (gently, without fanaticism) when the charging indicator hasn't caught fire. A sudden surge in current sometimes causes the MIUI controller to react and start the screen.

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Use it. USB-Self-powered hub for connecting your phone – this will provide a more stable current than a direct computer port, which increases the chances of a successful launch.

Activation via Recovery and Fastboot mode

Recovery and fastboot are low-level interfaces that often respond to keyboard combinations even when the normal system doesn't start. Entering Recovery on Redmi Note 4 usually requires pressing the volume button and power button. Since the power button doesn't work, we'll use a workaround.

Try the following sequence of actions:

• 🔌 Connect your phone to a charger or computer.
• 🔊 Press the Volume Up button and don't let go.
• ⚡ At the time of volume clamping, connect the cable USB (if not connected).
• 🔄 If the phone vibrates or the Mi logo appears, try pressing the screen quickly or turning the volume down.

Fastboot uses a volume button, and the logic is the same: we press Volume Down, we plug in the cable, and if there's a bunny on the screen fixing an android, the hardware is alive, and the problem is probably software or a button plume.

When you're in the Recovery menu, you're navigating with volume buttons and you're choosing with the power button. If the power button doesn't work, you can't choose the Reboot menu item in the standard way, but sometimes the system will suggest a reboot after a certain action, or you can wait for a timeout.

Importantly, entering these modes without a power button can take several attempts. Taming buttons and cable connection is crucial. If you didn't work the first time, try changing the speed of the connection or the force of pressing the volume keys.

Method of discharging the battery to zero

The simplest, though time-consuming, method is to completely drain the battery. If you leave the Xiaomi Redmi Note 4 alone, it eventually runs out completely and shuts down. After that, when you plug in the charger, many Xiaomi smartphones automatically turn on without having to press the power button.

The process is as follows:

• 🔋 Leave the phone with the screen on or in a cyclic reboot until completely off.
• 🔌 Connect the original charger to the phone turned off.
• ⏳ Expect the Mi logo or charging indicator to appear.
• 📱 If the phone is turned on, immediately go to the settings and activate the function "Schedule Enablement".

This method is effective because the power controller at a critically low charge (< 1-2%) when the current is applied often initiates a procedure for safely starting the system. However, if the battery has gone into deep discharge (below the activation threshold of the controller), the phone can simply show the battery icon and not turn on.

Consider that deep discharge is harmful to the lithium polymer batteries used in the Redmi Note 4. Frequent use of this method can shorten battery life. Use it only as a last resort for emergency switching on the device.

Program Solutions: Scheduled Incorporation

If you've managed to turn your phone on by one of the methods described above, your first priority should be to prevent problems in the future. There's a built-in feature in the MIUI shell that allows you to turn your smartphone on and off at a given time, which will save you from having to use a physical button in your daily life.

To activate this feature, go to the settings menu. The path usually looks like: Settings → Battery → Scheduled Power (or Settings → Advanced Settings → Scheduled Power in different versions of MIUI). Here you can set the turn-on time, for example, at 7:00 in the morning.

Once you have set your schedule, you can turn your phone off programmatically through the menu (Settings → About Phone → Shutdown or through the notification curtain). In the morning, the device will turn on itself. This solution is temporary, but allows you to fully use your smartphone before repair.

⚠️ Attention: Scheduled Power only works if the phone has been turned off correctly through the program menu. If the battery is zero or there is an emergency shutdown, autostart may not work.

Additionally, you can install alarm apps from Google Play, which have the function of turning on the phone (root rights or specific permissions are required), but the regular MIUI tools in this regard work more stable and do not require the installation of third-party software.

Hardware methods and closing of contacts

If the software methods don't work, there's a physical option to hit the board, which requires disassembling the device and minimal tools (screwdriver, plastic blade), and you're careful that you do everything at your own risk, and you're likely to damage the plumes or the case.

The essence of the method is to manually close the contacts of the power button on the motherboard.

1. Remove the back cover of the Redmi Note 4 (it is held on the latches and glue).

2 Unscrew the screws that fix the plastic lining of the speaker.

3. gently disconnect the main camera and battery plume to access the button area.

On the board, you'll see the metal dome of the button, the tactile switch, you'll need to find the two contacts that it's soldered to, or the metal plate itself, and if you lock them with tweezers or wiring, you simulate a tap. If the phone is working, it should turn on.

Sequence of action:


1. Disconnect the battery (battery plume).




2. Find the contacts of the Power button on the board.




3. Close the contacts with tweezers.




4. without opening contacts, connect the battery plume.




5. Open contacts in 1-2 seconds.

This method often allows you to turn on the phone to save data or set up a schedule, but if the tactile switch is broken inside, the circuit may not give permanent contact, and the phone will immediately go out after the tweezers are opened.

What to do if nothing helps

In the case of none of the methods has worked, there is a high probability of serious hardware failure, it can be a break in the plume, failure of the power controller on the board or a deep death of the battery, in which case, acting alone can lead to higher costs of repair.

Replacing the power button with the Xiaomi Redmi Note 4 is an inexpensive and fast procedure, and the wizards will replace the plume with the buttons or re-silver the tactile switch itself, restoring the full functionality of the device.

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If the phone is turned on only when the contacts on the board are closed, but the button does not work - this is an unambiguous signal to replace the tail of the side buttons, the cost of which is minimal.

Don’t try to heat the board with a hairdryer or push the screen hard in the hope of “bending” the contact. Modern smartphones are assembled tightly, and inept mechanical impact often leads to cracks on the motherboard, making repairs economically inexpedient.

Frequently Asked Questions (FAQ)