Flashlight on Xiaomi does not work: reasons and 7 proven ways to fix

The flashlight on Xiaomi smartphones is one of the most popular features, but sometimes it stops working at the most inopportune moment: you click on the icon, and the LED does not light up, or the flashlight turns on for a second and immediately goes out. In 90% of cases, the problem is solved without going to the service center, just perform a few simple actions.

In this article, we'll look at all the possible reasons why a flashlight on a Redmi, POCO, or Mi doesn't work, from a simple software failure to hardware malfunctions, you'll get step-by-step picture instructions, a model compatibility table, and answers to frequent questions, and if your case is unique, there's a diagnostic checklist at the end of this article.

Important: Before you start repairing, check if turning off the flashlight is associated with battery savings. On some MIUI firmware, the system automatically blocks the background lighting at a low charge level (less than 15%), connect the phone to charging and try again.

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1. Checking basic settings: why the flashlight can be switched off software

The first thing to do is make sure that the problem is not the settings of the system. On Xiaomi smartphones, the flashlight can be blocked because:

  • ๐Ÿ”น Energy saving mode โ€“ limits the operation of background processes, including LED.
  • ๐Ÿ”น Parental Controls โ€“ if the phone has restrictions on children.
  • ๐Ÿ”น Special permissions โ€“ some firmware requires confirmation of access to the flashlight.

To check the settings:

  1. Open Settings โ†’ Battery and Performance.
  2. Check if Power Saving or Super Energy Saving is on, and if you do, turn it off.
  3. Go to Settings โ†’ Apps โ†’ Permissions โ†’ Other permissions โ†’ Flashlight and make sure access is allowed.

If the flashlight doesnโ€™t work only in certain applications (like Google Camera or TikTok), the problem may be with the specific software settings. Go to the permissions of that app and turn on the camera and flashlight.

๐Ÿ“Š Your Xiaomi smartphone is a series of?
Redmi (Note, K, A)
POCO (F, X, M)
Mi (11, 12, Mix)
Black Shark
other

2. Reset and reset flashlight settings

The easiest but most effective way is to force the phone to restart, which will eliminate temporary system errors that can block the LED from working.

How to Reboot Xiaomi correctly:

  • ๐Ÿ”„ Press the power button for 10 seconds until the menu appears.
  • ๐Ÿ”„ Select Reboot (not "Switch off!").
  • ๐Ÿ”„ After turning on, check the flashlight through the notification panel or the Camera app.

If the reboot didnโ€™t help, try resetting the flashlight settings through the engineering menu:

  1. Open the Phone app and type ##4636##.
  2. Go to the Info about hardware tab.
  3. Find Flashlight Test and click Turn On/Turn Off several times.

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On some POCO models, the engineering menu may not support the flashlight test, in which case, use the Hardware Info app from Google Play.

Attention! If after this action, the flashlight is running, but it shuts down again after a while, the problem may be the firmware or the application conflict.

3. Application conflict: what interferes with the work of the flashlight

The flashlight is often associated with third-party applications that block access to the LED.

  • ๐Ÿ›ก๏ธ Antiviruses (Avast, Kaspersky, 360 Security).
  • ๐Ÿ”’ Optimizers (Clean Master, DU Speed Booster).
  • ๐Ÿ“ฑ Nova Launcher (Apex Launcher, Nova Launcher).
  • ๐ŸŽฎ Gaming accelerators (Game Turbo) POCO).

To identify the culprit:

  1. Launch your phone in Safe Mode (press the power button โ†’ Safe Mode).
  2. Check the flashlight. If it works, there's a problem in one of the apps installed.
  3. Remove suspicious software, starting with optimizers and antiviruses.

A feature for the POCO F3/F4/F5 is that on these models, the flashlight may conflict with the Always-on Display function.

Remove optimizers and antiviruses |

Turn off game mode |

Check the operation in safe mode |

Update problematic applications-->

4. Update firmware and reset to factory settings

If the flashlight stopped working after updating MIUI or installing custom firmware, the problem may be a system failure.

  • ๐Ÿ”„ Update to the latest version MIUI (through settings โ†’ The phone. โ†’ Updating the system).
  • ๐Ÿ”„ Recoil from the previous version (if the error occurred after the update).
  • ๐Ÿ”„ Reset to factory settings (last resort, erases all data!).

How to reset settings without losing data (only for system settings):

  1. Go to Settings โ†’ Additional โ†’ Resetting settings.
  2. Select Reset App Settings (not โ€œErase all data!โ€).
  3. After the reboot, check the flashlight.

Critical information: On the Redmi Note 10 Pro and POCO X3 Pro models, you may need to re-activate the Double Press function in the gesture settings after resetting.

Xiaomi modelFrequent Cause of Flashlight FailureRecommended solution
Redmi Note 8/9/10Conflict with MIUI 12.5+Retrace to MIUI 12 or upgrade to 13
POCO F3/F4Failure in the LED driverFastboot flashing through Fastboot
Mi 11/12Blocking due to Always-on DisplayDisable AOD in screen settings
Redmi 7/8AWear of LED contactsRepairs at the service centre

5. Hardware malfunctions: when you need the help of a specialist

If the software methods did not help, the problem may be a physical breakdown:

  • ๐Ÿ’ก Burned LED โ€“ a common problem after falls or moisture.
  • ๐Ÿ”Œ Contacts oxidized โ€“ if the phone was exposed to moisture.
  • ๐Ÿ”‹ Power controller malfunction โ€“ the flashlight does not receive voltage.
  • ๐Ÿ› ๏ธ Trail damage โ€“ after disassembling the phone or replacing the screen.

How to diagnose a hardware breakdown:

  1. Light a flashlight in the dark โ€“ if the LED glows dimly or flashes, the problem is contacts.
  2. Check if the flashlight is working in camera mode (turn on video recording and try turning on backlight).
  3. If the phone fell or got wet, inspect the charging connector for corrosion (this is an indirect sign of oxidation of LED contacts).

โš ๏ธ Don't try to disassemble your phone yourself if you don't have experience. IP53 (For example, Redmi Note 11) the flashlight LED is integrated into the main board - its replacement requires soldering.

If you're sure the hardware is the problem, go to the service center.

  • LED Replacement: 800โ€“1500 โ‚ฝ.
  • Contact cleansing: 500โ€“1000 โ‚ฝ.
  • Replacement of plume: 1200โ€“2000 โ‚ฝ.
How to check the flashlight for malfunction without disassembly?
1. Turn on the camera and try to use the flashlight as a backlight for the video. 2. If it works in the camera, and through the notification panel it does not, the problem is the firmware. 3. If it does not work anywhere, 90% probability of hardware failure.

6.Alternative ways to turn on a flashlight on Xiaomi

If the standard method doesnโ€™t work, try workarounds:

  • ๐Ÿ“ฑ Through gestures: on some models, you can set Double-click on the screen to turn on the flashlight (Settings) โ†’ Gestures โ†’ Quick action).
  • ๐ŸŽต Using voice assistant: say โ€œOK, Google, turn on the flashlightโ€ or use Alice from Yandex.
  • ๐Ÿ”ง From the engineering menu: enter ##4636## โ†’ Flashlight Test.
  • ๐Ÿ“ฒ Third-party apps: Tiny Flashlight or Flash Alerts (but they require root rights on new versions) MIUI).

For models with an infrared port (such as the Redmi Note 8 Pro), you can use the IR remote as an alternative light source, but this is a temporary solution.

Important: If you use custom firmware (like LineageOS or Pixel Experience), the flashlight may not work due to the lack of drivers, in which case only flashing on the official MIUI will help.

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In the models with AMOLED-With screens (such as the Mi 11 Ultra), the flashlight can automatically turn off at high screen temperature. Let the phone cool for 10-15 minutes and try again.

7.Prevention: How to avoid flashlight problems in the future

To ensure that the flashlight on Xiaomi works stably:

  • ๐Ÿ”‹ Do not allow the battery to run completely โ€“ this can cause failures in the power controller.
  • ๐Ÿ’ง Avoid getting moisture, even if the phone has protection. IP53, flashlight contacts may oxidize.
  • ๐Ÿ“ฑ Do not install unofficial firmware without checking compatibility.
  • ๐Ÿ”„ Update regularly MIUI โ€” In new versions, driver errors are corrected.
  • ๐Ÿ› ๏ธ When replacing the screen or battery, check that the master is not damaged by the flashlight plume.

If you use a flashlight frequently, install a widget for quick access:

  1. Click the empty space on the main screen โ†’ Widgets.
  2. Find the flashlight widget or Quick Settings.
  3. Drag him to the desk.

โš ๏ธ Attention, models. POCO M3/M4 Long-term use of a flashlight (more 5 It can cause the processor to overheat. If the phone gets hot, let it cool.

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FAQ: Frequent questions about flashlight on Xiaomi

โ“ Why does the flashlight turn off in a few seconds?
It could be related to: ๐Ÿ”‹ Saving charge - turn off the energy saving mode. ๐ŸŒก๏ธ Overheating โ€“ let the phone cool down. ๐Ÿ“ฑ Firmware failure - update MIUI Or reset the settings. On the Redmi Note models. 10S and POCO X3 NFC This can be a feature of firmware - try turning on the flashlight through the camera.
โ“ Can I replace the LED flashlight by myself?
Theoretically, yes, but: ๐Ÿ› ๏ธ On most models Xiaomi LED soldered to the motherboard. ๐Ÿ”ง Requires a soldering station and experience with microelectronics. โš ๏ธ Risk of damaging the fee if rationed sloppy. for Redmi 9A/9C And some budget models LED can be on a separate plume โ€“ it is easier to replace it.
โ“ The flashlight works, but it's very dim?
Possible causes: ๐Ÿ’ก LED wear - replacement is required. ๐Ÿ”‹ Low voltage โ€“ check the battery (if worn out, the flashlight will shine weakly). ๐Ÿ“ฑ Limiting brightness in the firmware -- try resetting the camera settings. AMOLED-Dim lights (e.g., Mi 11 Lite) may be associated with automatic brightness control.
โ“ After updating MIUI The flashlight stopped working?
Try: Reset the Camera app settings (Settings โ†’ Apps โ†’ Camera โ†’ Storage โ†’ Reset). Reverse the previous MIUI version via Fastboot (instructions are available on the 4PDA forum). Install an alternative flashlight app (e.g. Tiny Flashlight). If nothing helps, write in support of Xiaomi via the Feedback app.
โ“ The flashlight doesn't work only in the Camera app?
This is a typical problem for: ๐Ÿ“ฑ Redmi Note 8 Pro and POCO X2 on MIUI 12.5+. ๐Ÿ“ฑ Models with custom firmware (e.g. HavocOS). Solutions: Clear the Camera app cache. Turn off the function AI-Set an alternative camera (e.g. GCam) in your shooting settings).