Why Xiaomi is Blinking: Reasons and Solutions for All Models (2018โ€“2026)

Screen flickering on Xiaomi smartphones is a problem faced by owners of both budget Redmi and flagship Mi or POCO. Symptoms range from a barely noticeable twitching of the image to a full-fledged "stroboscope" when the display flashes at a frequency of 1-2 times per second. In 80% of cases, the software is to blame, but ignoring hardware malfunctions is dangerous: they can lead to a complete failure of the matrix or even the fire of the power controller.

In this article, we will analyze all possible causes of screen flickering - from banal failures in settings to critical board breakdowns. You will learn how to diagnose a problem in 2 minutes, which manipulations should be tried yourself, and when it is better to immediately carry the phone to the service. Particular attention will be paid to the models of Xiaomi 11T/12 Pro, Redmi Note 10/12 and POCO F4 - they have unique "sickles", which even official centers are silent about.

๐Ÿ” If the screen began to blink after falling or getting moisture, immediately go to the section "Hardware breakdowns" - there are critical symptoms in which delay is fraught with irreversible damage to the matrix.

1. Software failures: when the software is to blame

In 60 percent of cases, screen flickering on Xiaomi is caused by firmware errors, application conflicts, or incorrect system settings. The good news is that these problems are almost always solved without disassembling the phone. Bad โ€” sometimes a complete reset is required, which leads to data loss.

Start by checking the autobrightness mode. In the Xiaomi 12/13 series and Redmi Note 11/12, the light sensor often works falsely, causing the screen to twitch when brightness changes. Turn off auto-adjustment in Settings โ†’ Display โ†’ Brightness and watch the screen for 10-15 minutes. If the flicker stops, there is a problem with the sensor or its calibration.

  • ๐Ÿ“ฑ Failure MIUI: Especially since the updates. MIUI 14 screen flickering bugs affected every 5-7 out of 100 devices when locked.
  • ๐Ÿ”„ Application conflict: Video players (for example, MX Player, launchers or games with aggressive optimization FPS They can โ€œsuspendโ€ the graphics driver.
  • ๐Ÿ› ๏ธ Errors of the graphic accelerator: B POCO F3/F4 redmi K40/K50 There is a bug with the Adreno driver 650/660, which causes the screen to flicker when scrolling.

โš ๏ธ Note: If the flicker started immediately after installing custom firmware (such as Pixel Experience or LineageOS), the problem is almost guaranteed to be kernel incompatibility. MIUI Fastboot โ€“ Other methods will not help.

For diagnosis:

  1. Restart your phone in Safe Mode (press the power button โ†’ long tap on Turn off โ†’ Reboot in Safe Mode) If the flicker is gone, third-party software is to blame.
  2. Check error logs through Settings โ†’ About Phone โ†’ MIUI version (tap 5 times according to version, then select Error logs).Look for records with SurfaceFlinger or DisplayManager tags.
๐Ÿ“Š The screen flicker came after
MIUI updates
Installation of a new annex
Falls/blows
On its own.
I don't know.

2. screen settings you didn't know about

Xiaomi has hidden features that can trigger visual artifacts, such as the reading mode (Settings โ†’ Display โ†’ Read Mode) in some firmware conflicts with adaptive brightness, causing the screen to โ€œbreathe.โ€ Turn it off and check the result.

Another trap is the refresh rate of the screen. In 120Hz models (Xiaomi 11T Pro, Redmi K50 Gaming), when switching automatically between 60 and 120Hz, sometimes there is a flicker. Lock the frequency on one value in Settings โ†’ Display โ†’ Update frequency.

Setting upWhereverHow it affects flickering
Adaptive synchronizationSettings โ†’ Display โ†’ Advanced โ†’ Adaptive SynchronizationMay cause twitching when scrolling
Color profileSettings โ†’ Display โ†’ Color modesRGB or DCI-P3 profiles sometimes conflict with the driver
Navigation gesturesSettings โ†’ System โ†’ GesturesFull-screen gestures can "pull" the bottom of the screen
Always on Screen ModeSettings โ†’ Screen lock โ†’ Always on screenNana AMOLED-screens may cause flickering when notified

If your Xiaomi supports DC Dimming (such as Mi 10 Ultra or Black Shark 4), enable this feature in Settings โ†’ Display โ†’ Advanced โ†’ DC Dimming. It reduces flickering at low brightness by changing the matrix power voltage.

๐Ÿ’ก

In the models with AMOLED-screens (Xiaomi 12 Pro, Redmi) K60) Try calibrating colors through the engineering menu: dial in the phone application ##36446337## and select Display. โ†’ Color Calibration.

3. Application conflicts: who is to blame?

Some programs interact aggressively with the Android graphics subsystem, leading to a flicker.

  • ๐ŸŽฎ High-level games FPS: Genshin Impact, Call of Duty Mobile or PUBG Can โ€œhangโ€ the Adreno driver on devices with Snapdragon 870/888.
  • ๐Ÿ“บ Video players: VLC or Kodi sometimes reset the screen refresh rate, causing twitching.
  • ๐Ÿ”„ Launchers: Nova Launcher, Hyperion or Before Launcher may conflict with MIUI Shell.
  • ๐Ÿ›ก๏ธ 360 Security or Clean Master blocks the system processes responsible for rendering.

How to find the culprit:

  1. Restart your phone in Safe Mode (instruction above). If the flicker is gone, delete the apps one at a time, starting with the last ones installed.
  2. Use ADB to monitor processes: adb shell dumpsys SurfaceFlinger Look for lines with vsync or frame missed.
  3. Check application permissions in Settings โ†’ Apps โ†’ Permissions โ†’ Other permissions โ†’ Display on top of other windows. Turn off this permission for all suspicious programs.

โš ๏ธ Note: If the flicker only appears in a particular app (like TikTok or Instagram), the problem may be in the video codec. Try turning off hardware acceleration in the player settings or update the app.

4. Hardware breakdowns: when without service can not do

If the software techniques didn't help, it's time to check the "hardware" screen flicker on Xiaomi could be caused by:

  • ๐Ÿ”Œ Display plume damage: A common problem after falling or disassembling the phone.The plume can recede or rub (especially in the Redmi Note). 9/10, wherein).
  • ๐Ÿ”‹ Power controller malfunction: If the screen blinks when connecting charging - to blame PMIC (for example, POCO X3 Pro or Mi 10T).
  • ๐Ÿ’ก The LED lighting system fails: AMOLED-screens (Xiaomi 12, Black Shark 5) flickering can be caused by degradation of organic LEDs.
  • ๐ŸŒก๏ธ GPU overheating: In games or when charging, the screen begins to โ€œbreatheโ€ due to trottling (Snapdragon). 732G into POCO X3 NFC particularly).

For diagnosis:

  1. Check your physical response: Carefully press the top and bottom of the screen. If the flicker is getting worse, the plume or matrix is a problem.
  2. Connect your phone to your PC via HDMI (if supported, for example, in Black Shark), if there are no artifacts on the external display, it is the smartphone screen that is to blame.
  3. Run the display test through the engineering menu (#4636## โ†’ Equipment Testing โ†’ Display) and if colored bars or flickering appear, the matrix is damaged.
How to check the plume of the display without disassembly?
Light a flashlight at an angle in the gap between the screen and the body. If you can see that the matrix "steps away" from the frame (especially in the corners), the plume is likely damaged. In the Redmi Note 8/9, this is a typical problem after replacing the screen in informal services.
Symptoms.Probable causeCan I repair it myself?
Twinkle when tilting the phoneDisplay plume is leavingYeah (needs a hair dryer and plastic mediator)
The screen blinks when chargingPower Controller Failure (PMIC)No (requires ration)
Blinking only at low brightnessDegradation AMOLED-matrixNo (replacement of screen needed)
Screen 'breathing' in gamesGPU overheating or trottlingPartially (replacement of thermopaste)

โš ๏ธ Warning: If the screen blinks after moisture hits (even if the phone is on and running), immediately turn it off and do not turn it on for 24 to 48 hours. moisture may have penetrated the screen or board, and when the voltage is applied, a short circuit will occur. Use silica gel or rice to dry, but it is better to take to the service.

5 Updates and firmware: how not to aggravate the problem

Official MIUI updates sometimes bring more bugs than fixes. For example, MIUI 13.0.4 for the Xiaomi 11 Lite NE had a bug that shimmered when the screen was locked. In MIUI 14.0.2, a similar problem affected the Redmi Note 11 Pro+.

What to do:

  1. Check the firmware version in Settings โ†’ About Phone โ†’ MIUI version. If itโ€™s fresher than a month, try rolling back.
  2. Download the full firmware package for your model from MIUI Downloads and install through Settings โ†’ About Phone โ†’ System Update โ†’ Three Points โ†’ Select the service pack.
  3. If the problem has occurred after the update, try clearing the cache via Recovery: 1. Turn off the phone. 2. Press Power + Volume Up. 3. Select Wipe Cache. 4. Reboot.

For advanced users:

  • ๐Ÿ› ๏ธ Install a custom core (such as FrancoKernel or Kirisakura) if the problem is in the display driver.
  • ๐Ÿ”ง Turn off hardware acceleration for a specific application through ADB: adb shell settings put global hidden_api_policy 1 adb shell am start -n com.android.settings/.DevelopmentSettings Then in the developer settings, turn on Disable hardware overlays.

โ˜‘๏ธ Preparation for flashing

Done: 0 / 5

6.Reset to factory settings: Last chance

If all the previous methods didn't work, it's hard reset, which is a radical solution, but it helps 30 percent of the time when the problem is deep-seated settings or corrupted system files.

How to reset Xiaomi without losing data (if the phone is still working):

  1. Backup through Settings โ†’ About Phone โ†’ Backup or Mi Cloud.
  2. Go to Settings โ†’ Additional โ†’ Recovery and Reset โ†’ Resetting.
  3. Choose to erase all data and confirm.

If the phone doesnโ€™t respond to touch or the screen flickers too much:

  1. Turn off the device.
  2. Press Power + Volume Up to enter Recovery.
  3. Choose Wipe Data โ†’ Wipe All Data.
  4. Confirm the action and wait for the reboot.

โš ๏ธ Note: On models with a locked loader (Xiaomi) 12T, Redmi Note 12 Pro+) Recovery resets may result in a Mi Account requirement. Make sure you remember your login and password!

๐Ÿ’ก

If you have a flicker after the reset, it's a hardware problem, and then you don't want to manipulate the software any further: you take the phone to the service.

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

If you've exhausted all the software methods, and the screen is still blinking, it's time for a professional diagnosis.

  • ๐Ÿ“‹ Write down the symptoms: When did the flicker start? After what? How often does it happen? This will help the master to find the cause faster.
  • ๐Ÿ” Check the warranty: On the official website of Xiaomi enter IMEI phone (*#06#) to find out the status of the guarantee. in Russia and Europe, the screen warranty is 12 months.
  • ๐Ÿ’ฐ Find out the prices: Replacing the plume in the Redmi Note 10 will cost 1,500-2,500 โ‚ฝ, matrices 5,000-12,000 โ‚ฝ, repair fee from 3,000 โ‚ฝ.
  • ๐Ÿ›ก๏ธ Choose service: Xiaomi's official centers give a 6-month warranty, but more expensive. Informal workshops are cheaper, but the risk of "jobs" is higher.

What to say to the master:

"The screen started blinking [specify when]. I've already tried [list methods: reset, turn off autobrightness, etc.] Symptoms: [describe]. I suspect [steam/matrix/PMIC - if there's any guesses]."

Beware of scams! The service can:

  • ๐Ÿšจ Impose a replacement screen when the problem is in the plume (price difference is 3-5 times).
  • ๐Ÿ”ง Claim that you need to solder the chip, although it is enough to sew the phone.
  • ๐Ÿ“ฑ Install used matrix instead of new (check by date of production on the sticker).

๐Ÿ’ก

Before visiting the service, take a picture of the phone screen on another device - this will capture the nature of the flicker, which will help avoid disputes with the master about the "self-past" problem.

FAQ: Frequent questions about Xiaomi's screen flicker

๐Ÿ”น The screen started blinking after falling?
Turn off your phone immediately and don't turn it on for 12 to 24 hours. If you have colored stripes or black spots after a fall, the matrix is damaged, you need to replace it. If the flicker is uniform (like a strobe) the plume is likely to have gone away. In both cases, you shouldn't use your phone until you have repaired it, because it can aggravate the damage.
๐Ÿ”น The only thing that flickers is when you charge?
This is a typical symptom of a power controller malfunction (PMIC) or poor contact in the connector USB-C. Try: Clean the connector with a toothpick (carefully!) Use a different cable and power supply. If the problem persists, bring it to the service. Repair. PMIC It'll cost 2,500 to 6,000. โ‚ฝ.
๐Ÿ”น Can I replace the display itself?
Theoretically, yes, but: You'll need a dryer (to soften the glue), plastic mediators and a suction cup. In the Xiaomi 11/12 series and Redmi Note 10/11, the plume comes complete with a screen frame - you can't buy it separately. The risk of damaging the matrix or tearing off the antenna contacts is 50/50. If your hands don't shake and you have experience disassembling the equipment, you can try. Otherwise, you better trust the master.
๐Ÿ”น After updating MIUI The screen started twitching?
Bring back the old version MIUI You can use Fastboot: Download the full firmware package (not download it). OTA!) For your model with Xiaomi Firmware Updater. Unpack the archive and launch the script flash_all.bat (Windows or flash_all.sh (Mac/Linux). Connect your phone in Fastboot mode (clamp Power) + Volume Down). โš ๏ธ Important: This method will reset all data! If you have a bootloader blocked, first unlock it through the Mi Unlock Tool.
๐Ÿ”น Screen flickering is dangerous to vision?
Yes, but the degree of harm depends on the frequency: Flickering at 50-100 Hz (slightly noticeable) can cause eye fatigue with prolonged use. Flickering 1-5 Hz (clear) - leads to headaches, nausea, dry eyes. Stroboscopic effect (sharp flashes) - dangerous for people with epilepsy! If the screen flickers strongly - do not use the phone until the problem is fixed. For a temporary solution, reduce the brightness to a minimum and turn on DC Dimming (if available).