How to make a flash flash flash on Xiaomi Redmi Note 10: 5 working methods

The flash flash flash feature on incoming calls on the Xiaomi Redmi Note 10 is a useful option for those who often miss a call in noisy environments or when the sound is turned off. Despite its apparent simplicity, many users face difficulties in activating it: standard MIUI settings do not always contain a direct switch, and in some firmwares the function is hidden or not working correctly. This article covers all possible ways to enable the flash, from basic settings to manually editing system settings.

Features of the Redmi Note 10 (model mojito/sunny) It is the hardware support of the function LED-notifications via flash, but its implementation depends on the version MIUI. For example, in firmware based on Android 11 (MIUI 12.5) The path to settings is different from MIUI 14 Android 13. We will review the options for all current versions, and consider alternative solutions if the standard method does not work.

Before you start setting up, make sure that:

  • πŸ“± Redmi Note 10 Updated to the Latest Stable Version MIUI (Check in the settings β†’ The phone. β†’ Updating the system).
  • πŸ”¦ The flash is good – test it in the Camera app.
  • πŸ“΅ The feature is not blocked by third-party applications (e.g. battery managers or green modes).
πŸ“Š What version? MIUI You can use the Redmi Note 10?
MIUI 12.5 (Android 11)
MIUI 13 (Android 12)
MIUI 14 (Android 13)
The other one/I don't know/

1. Standard method: notification settings in MIUI

In most cases, the function is enabled via the notification menu, but its location varies depending on the firmware version. On the Redmi Note 10 with MIUI 13/14, the algorithm is as follows:

Open Settings β†’ Notifications and Status bar β†’ Call notifications. This should be under Light Effects or Flash When Calling. If it's not, scroll down and click Additional Settings.

Turn on the switch next to flash. Ask someone to call you or use a second phone to check. The flash should flash at intervals of ~1 second during the incoming call.

⚠️ Note: On some custom firmware (e.g. Xiaomi.EU), this item may be called Flash notification and is located in the Display section. β†’ Ambient display.

β˜‘οΈ Preparation for flash setting

Done: 0 / 4

2. Alternative method: setting up special features

If the notifications don’t have a flash option, try activating it through a special feature, which works on all versions of MIUI, including global and Chinese builds:

  1. Go to Settings β†’ Special Opportunities β†’ Hearing.
  2. Find the Notification Flash section (or Flash alerts in English localization).
  3. Activate the switch and select "Calls" in the event list.
  4. Set the frequency of flashing (available in some firmware).

πŸ’‘ Why does it work? It's designed for people with hearing impairments, but it's also suitable for regular users, and it's going to work not only on calls, but also on calls. SMS/Notifications – this can be turned off in the same menu.

⚠️ Note: On the Redmi Note 10 Pro, this method may conflict with the Always-on Display function. If the flash does not flash after activation, turn off the flash. AOD In Settings β†’ Screen. β†’ Always-on Display.

Manual inclusion through the engineering menu (for experienced)

If standard methods fail, you can force the flash to be activated via an engineering menu (CIT), which requires caution, as incorrect changes can lead to failures.

Instructions:

  1. Open the Phone app and enter the code ##36446337# (or ##CIT###).
  2. Go to the Hardware Testing β†’ Flashlight section.
  3. Select Flashlight Test and activate the option "Enable during calls".
  4. Save the settings and restart the phone.

Critical! Some firmwares reset after leaving the engineering menu, and to record the changes, immediately after activation, run a test call.

What to do if the engineering menu is not opened?
If the code ##36446337### doesn't work, try an alternative method: 1. Install the MTK Engineering Mode app from the Play Market (only for MediaTek processors, as in Redmi Note 10). 2. Run it and select Hardware Testing β†’ Flashlight. 3. Activate the Call Flash option (if available).

4. Use of third-party applications

If system methods don't work, third-party utilities will come to the rescue.

  • πŸ”¦ Flash Alerts 2 supports color, frequency and duration of blinking. It works even on custom firmware.
  • πŸ“ž Flash On Call – specializes in calls, has a minimalist interface.
  • ⚑ Flash Notification – allows you to assign different flash colors to different contacts.

πŸ“Œ Important: After installing the application, you must provide permissions to it:

  1. Access to notifications (in the application settings).
  2. Permission to use the camera (for flash control).
  3. Exception to battery optimization (in Settings β†’ Applications β†’ Battery Management).

⚠️ Note: Some applications (e.g. Flash Alerts 2) may conflict with the system blink function. If the flash stopped working through standard settings after installation, delete the third-party utility and reset the notification settings (Settings) β†’ Annexes β†’ Application management β†’ Three points. β†’ Reset the settings).

AnnexSupport for MIUIAdditional functionsCons
Flash Alerts 212.5–14Color setting, timerAdvertising in the free version
Flash On Call12–14Minimalist designNo frequency setting.
Flash Notification11–13Different colors for contactsDoesn't work for MIUI 14.

If after all the manipulations the flash does not work, check the following points:

  • πŸ”‹ Power Saving Mode: Turn it off in Settings β†’ Battery and productivity. MIUI Blocks background processes, including flash management.
  • πŸ“΅ Notification Blockers: Applications like Clean Master or Security can interfere with the function. Add a flash management app to the exceptions.
  • πŸ”„ Conflict with Always-on Display: On some firmware AOD It turns off the lights. Try turning off the lights. AOD 10 minutes and test the call.
  • πŸ› οΈ Hardware malfunction: If the flash doesn't work even in the camera, there's a problem in the module or plume.

πŸ”§ Diagnosis through ADB (for advanced users):

Connect your phone to your PC, activate debugging over USB (Settings β†’ About Phone β†’ MIUI version – press 7 times, then return to Additional β†’ For Developers) and execute the command:

adb shell settings put global flash_notification_enabled 1

If the team returns the error, then your firmware does not support this setting.

πŸ’‘

Before resetting to factory settings, save your contact list and SMS using the Mi Mover app (pre-installed on all Xiaomis), which will allow you to quickly recover data after the reset.

6. Resetting settings as a last resort

If none of the methods worked and the function is critical, perform a partial reset (without deleting the data):

  1. Go to Settings β†’ About the phone β†’ Reset settings.
  2. Select "Reset Network Settings and Notifications".
  3. Confirm the action and wait for the reboot.
  4. Once enabled, reconfigure the flash through Special Options.

⚠️ Warning: Full reset (Reset to factory) will delete all data, including photos and apps. Use it only if partial reset didn't help, and pre-create a backup through Settings β†’ Additionally. β†’ Backup and reset.

πŸ’‘

On the Redmi Note 10 with MIUI 14, the flash feature on the call may conflict with Ultra Battery Saver mode.

FAQ: Frequent questions

πŸ”Ή The flash only flashes when the screen is unlocked?
This is a MIUI limitation to save charge. To keep the flash running always: Open Settings β†’ Screen β†’ Sleep mode. Set a screen timeout for 10 minutes (maximum value). Enable the option "Always show notifications" in the same menu. If the problem persists, use a third-party application (e.g. Flash Alerts 2) with the resolution "Ignore battery optimization."
πŸ”Ή Can you adjust the flash color?
Standard settings MIUI They don't support color change -- the flash is always white, but in applications like Flash Alerts 2, you can mimic color effects: 🟒 Green: Fast blinking (3 times per second). πŸ”΅ Blue: long blinking (1 time in 2 seconds). 🟑 Yellow: alternating short and long flashes. You'll need real color backlights. RGB-The flash that is not in the Redmi Note 10.
πŸ”Ή After updating MIUI The flash stopped blinking?
Updates often reset user settings. Try: Open Settings β†’ Applications β†’ Application Management β†’ Three dots β†’ Reset settings. Reinstall the flash control app (if you used a third-party one). Check if new items have appeared in Special Features β†’ Hearing. If the problem persists, rolling back to the previous version of MIUI can help, but it is risky (possible data loss).
πŸ”Ή The flash flash flashes too bright/weak. How to adjust?
Flash brightness on the Redmi Note 10 is fixed and not regulated at the software level: πŸ”˜ Use a matte case or flash sticker to scatter light. πŸ”˜ Reduce the blinking frequency in apps like Flash Alerts 2 (less irritating to the eyes). πŸ”˜ Disable the feature overnight through the schedule in the notification settings.
πŸ”Ή Does this feature work on the Redmi Note? 10 Pro/10S?
Yes, but with reservations: Redmi Note 10 Pro (sweet): supports all methods, but can conflict with Always-on Display. Redmi Note 10S (rosemary): in MIUI 13+ standard setting is missing - use Special features or third-party applications. Redmi Note 10 5G (camellian): requires activation through the engineering menu (code #36446337#).