Xiaomi screen lights up on its own: the reasons and how to fix it

Did you put your Xiaomi smartphone down, and a minute later it suddenly caught fire without touching? Or does your phone wake you up at night by spontaneously turning on your display? This is a problem that many users have, and it's not always a problem, and it's not always a problem, and 80 percent of the time, it's settings, background processes, or software failures that you can fix yourself.

In this article, we’ll look at all the possible reasons why Xiaomi’s screen (including Redmi, POCO, and Black Shark models) can light up without you, from trivial random touches to hidden viruses. You’ll learn how to diagnose a problem in 5 minutes, what settings to check first, and when to really contact the service center. And we’ve collected exclusive life hacks that you won’t find in standard instructions, such as how to catch a β€œproblem” application using hidden system logs.

We warn you right away: if your Xiaomi not only lights up, but also unlocks, opens apps or makes calls, this is not a β€œjoint” of the screen, but a sign of hacking, in which case read the section on security and act immediately.

7 main reasons for spontaneous switching on of the screen

To start with the obvious, Xiaomi’s screen may light up due to hardware features, software failures, or external factors, here’s a full list of reasons, ranked by frequency:

  • πŸ“± Accidental touches (especially in a pocket or bag) – Highly sensitive sensors or a magnet case are to blame.
  • πŸ”” Notifications and pop-ups – some apps (such as Mi Fit or Google Assistant) wake up the screen to show alerts.
  • πŸ”„ Automatic synchronization – background processes (e.g., mail, Mi Cloud, WhatsApp) can activate the display.
  • 🐞 Firmware failures β€” bugs in MIUI (especially after updates) often lead to β€œghost” inclusions.
  • πŸ“² Always On Display gestures and functions are incorrectly tuned gestures (e.g., Double tap to wake) or AOD with sensors.
  • 🦠 Viruses and malware – some Trojans mimic user activity to display ads.
  • πŸ”§ Hardware malfunctions are a damaged display plume, charging connector or battery.

As you can see, only the last item needs repair, otherwise the problem can be solved without the phone being disassembled, and then we'll go through each case in detail, with instructions and screenshots (where appropriate).

πŸ“Š Does your Xiaomi light up on its own?
Yeah, often.
Yeah, but rarely.
No, but interesting for the future.
I'm a different brand.

Reason β„–1: False touches and sensor sensitivity

If Xiaomi's screen lights up in your pocket, bag, or light touch, it's the touch module that's to blame. Redmi Note 10/11, POCO X3/X4, and Mi 11 models often have sensitivity due to thin protective glass or cheap cases.

  1. Put your phone on the table with the screen up and don't touch it for 5 minutes. If the screen doesn't light up, casual touching is a problem.
  2. Try using a phone without a case – some models (like the Redmi 9A) react to magnets in accessories.
  3. Enable In Your Pocket mode in the settings: go to Settings β†’ Display β†’ In Your Pocket mode and activate the option.

If false touches are confirmed, try these methods:

Turn off the gesture Raise to wake up in Settings β†’ Display β†’ Gestures

Install a case without magnets (especially for the POCO M3/M4)

Activate In Your Pocket Mode and set up a lock delay

Update the firmware (in new versions) MIUI There's patches for the sensor)-->

Important! On some models (e.g. Xiaomi 12T), false touches may occur due to overheating of the processor. If the phone heats up during games or charging, the sensor starts to crash, in which case resetting graphics settings to Settings β†’ Special features β†’ Graphics will help.

What if the sensor only works in one corner?
This is a sign of damage to the display plume or detachment of the touch layer. Try to slightly press the problem area β€” if the touches are gone, the hardware malfunction. In the service, such a failure is eliminated in 1-2 hours (cost ~1500-3000 β‚½ depending on the model).

Reason β„–2: Notifications and background processes

Many apps (especially instant messengers and social networks) can wake up the screen to show a notification. MIUI has a separate setting that allows you to do this.

  1. Open Settings β†’ Notifications β†’ Additional β†’ Wake up the screen.
  2. See the list of apps that are allowed to turn on the display. Turn off the unnecessary ones (such as games or news services).
  3. For instant messengers (WhatsApp, Telegram) set up silent notifications without waking up.

The screen can also light up due to background synchronization, such as Mi Cloud, Google Photos or Gmail, which periodically exchange data with servers and activate the display to stop this:

  • πŸ“§ Turn off autosynchronization for unnecessary accounts in Settings β†’ Accounts.
  • πŸ”„ Limit application background activity in Settings β†’ Apps β†’ Permissions β†’ Autorun.
  • ⚑ Enable the Power Saving Mode (it limits background processes).

πŸ’‘

If the screen lights up at night, check the update schedule in Google Play and Mi App Store, which sometimes wakes up your phone to install updates.

Reason β„–3: Firmware bugs MIUI and how to fix them

MIUI is one of the most raw shells of Android, and it regularly appears in the bugs associated with the control of the screen. For example, in MIUI 13/14 there was a massive bug that caused the phone to wake up every 10-15 minutes for no reason.

  1. Check the firmware version: Settings β†’ About phone β†’ MIUI version.
  2. Search the Internet for complaints about your version (e.g., β€œMIUI 14.0.5 screen switching on spontaneously”).
  3. If the bug is confirmed, update the firmware or roll back to the stable version.

If the update doesn’t help, try these methods:

MethodAction.Suitable for
Resetting screen settingsGo to Settings β†’ Display β†’ Reset settingsAll models.
Clearing the system's cacheIn recovery-mode, select Wipe cache partition.Redmi, POCO, Mi
Shutdown of animationsEnable Developer Mode and Turn Off Animations in Settings β†’ For DevelopersModels with MIUI 12+
Firmware reinstallationInstall firmware through the Mi Flash Tool (instruction below)Advanced users

Critical information: MIUI 14 for Xiaomi 13/13 Pro had a bug where the screen lit up due to a malfunction of the proximity sensor.

πŸ’‘

If the firmware bug is confirmed but the update doesn't work, try switching to custom firmware (like Pixel Experience or LineageOS), which is a radical method, but it eliminates 90% of MIUI problems.

Reason β„–4: Always On Display and wake-up gestures

Always On Display (AOD) and wake-up gestures (such as Double tap to wake) often cause the screen to turn on spontaneously. In Xiaomi 12/13, Redmi K50 and POCO F4 models, these functions are unstable due to conflict with sensors.

How to check:

  1. Turn off AOD: Settings β†’ Display β†’ Always On Display β†’ Turn off.
  2. Turn off wake gestures: Settings β†’ Display β†’ Gestures β†’ Raise to wake up / Double touch.
  3. Check if the problem is gone. If it is, one of these parameters is to blame.

If you don’t want to give up AOD, try:

  • πŸ•’ Set a schedule for AOD (e.g., only during the day).
  • πŸ”‹ Turn off adaptive brightness in the settings AOD.
  • πŸ“± Install a third-party application for AOD (e.g. Always On AMOLED).

πŸ’‘

On some models (POCO X3 Pro, Redmi Note 10 Pro), AOD conflicts with the light sensor. Try to cover the sensor with your finger - if the screen goes out, the problem is that it is.

Reason β„–5: Viruses, spyware and hacking

If the screen doesn't just light up, but opens apps, displays ads, or performs actions without you, your Xiaomi could be infected with a virus, especially if you've installed APKs from unverified sources.

Signs of infection:

  • πŸ“± The screen lights up with banner ads.
  • πŸ”— Unknown tabs appear in the browser.
  • πŸ“Š Mobile Internet traffic is suddenly increasing.
  • πŸ”‹ The phone is quickly discharged even in standby mode.

What to do:

  1. Install an antivirus (Malwarebytes or Dr.Web) and scan the system.
  2. Check the list of installed apps: remove suspicious ones (especially with names like System Update, Flash Player).
  3. Reset your phone to factory settings: Settings β†’ About phone β†’ Reset settings.
  4. If the problem remains, reflash the phone via Fastboot.
How to remove a virus if it blocks settings?
1. Load to Safe Mode (press the power button β†’ long tap on "Stop" β†’ "Reboot in Safe Mode"). 2. In Safe Mode, remove suspicious applications. 3. If the virus remains - run the phone through the Mi Flash Tool with a complete data clean (clean all).

⚠️ Attention! If after resetting the problem remains, and the list of applications appeared unknown services (for example, com.android.system.update) β€” your phone is hacked at the firmware level, in which case only a complete firmware reflash with lock bootloader.

Cause β„–6: Hardware malfunctions

If all the software methods have been tried and Xiaomi’s screen still lights up on its own, the problem could be the hardware.

MalfunctionSigns.Decision
Display plume damagedThe screen flashes, buttons are spontaneously pressed, there are β€œdead” zones.Replacement of the plume (~1500–2500 β‚½)
The battery is faulty.The phone overheats, discharges quickly, the screen turns on when charging is connectedBattery replacement (~2000–4000 β‚½)
Short circuit on the motherboardThe screen lights up when you press the case, the phone reboots.Diagnostics in service (~500–1000 β‚½)
The charging connector is faulty.The screen is turned on when connecting the cable or moving the connector.Replacement of the connector (~1000–2000 β‚½)

How to check for hardware malfunction:

  1. Connect your phone to charge. If the screen lights up when the cable moves, it's the connector.
  2. Tilt the phone from different angles. If the screen flashes, the problem is in the plume or the display.
  3. Put a flashlight on the front camera, and if the screen responds, the light sensor is malfunctioning.

⚠️ Attention! If your Xiaomi fell or got wet, and now the screen is spontaneously turning on, don't pull it. Moisture could get on the motherboard, and over time, corrosion will destroy the tracks. The sooner you go to the service, the cheaper it will be to repair.

Frequent questions about spontaneously turning on the screen

My Xiaomi lights up at night and wakes me up. How do you stop it?
Turn on Do Not Disturb overnight: Settings β†’ Sounds and vibrations β†’ Do Not Disturb. Also turn off all notifications that are allowed to wake the screen (see the Notifications section). If the problem persists, check the task schedule in Google Assistant and Mi Cloud.
The screen only lights up when the phone is down. What do you do?
This is a typical problem with a proximity sensor or a gyroscope. Try calibrating the sensors using the engineering menu (##6484## β†’ Sensor Test). If it doesn't work, turn off Autopivot and Raise to wake up.
After the MIUI update, the screen started to light up every 5 minutes.
If the update is bugged, you can roll back to the previous version: Download the old firmware from en.miui.com. Go to Settings β†’ About Phone β†’ System Update β†’ Three points β†’ Select the service pack. Select the downloaded file and confirm the rollback. Important! Before rolling back up the data.
Can the case cause a spontaneous turn on of the screen?
Yes, and that's one of the most common reasons: cases with magnets (like car attachments) or metal inserts can activate sensors, and cheap silicone cases sometimes press on the screen to simulate touch. Try using the phone without a case for 1-2 days.
The screen lights up and goes out.
This is a sign of a malfunction of the display module or driver conflict: Try: Turn off adaptive brightness, reset the screen to factory settings, update the firmware, if it does not help, a hardware malfunction (a plume or matrix).