How to turn on flash flash when calling Xiaomi Redmi 9: 3 proven ways

Skip an incoming call due to a quiet sound or vibration in a noisy room is a familiar problem? Xiaomi Redmi 9 owners can solve it in 2 minutes by activating flash flash notifications. This feature not only attracts attention with bright flashes, but also helps people with hearing impairments not to miss important calls. However, in standard settings, the option is often hidden or disabled by default.

In this article, you will find 3 working methods for enabling flash on Redmi 9 (including Redmi 9A/9C/9T models), and also deal with typical errors that may cause the function to fail. We have tested all methods on MIUI 12-14 firmware and ensure that at least one of them will work on your device. No root rights or complex manipulations are required, only standard smartphone tools.

⚡ Why does it matter? A flash consumes minimal battery power (about 0.1-0.3% in 10 seconds of blinking), but it significantly increases the visibility of notifications. This is especially useful in offices, on the street or at night when the phone is down screen.

🔍 Is the instruction suitable for your model? The methods are universal for all Redmi 9 series devices (2020–2021), including:

• 📱 Xiaomi Redmi 9 (codenamed Lancelot)
• 📱 Redmi 9A (dandelion)
• 📱 Redmi 9C/9T (angelica/angelican)
• 📱 POCO M2 Reloaded (analogue of Redmi 9 for India)

Method 1: Using standard MIUI settings (the simplest)

If your Redmi 9 is running MIUI 12 or later, the flash flash function is already built into the system — you just need to activate it.

1. Open the Settings app (the gear icon on the home screen).

2. Go to the section Special Opportunities → Hearing.

3. Find the item "Flash at notifications"** and move the slider to the right.

✅ After activation, the flash will flash 3 times in a row when an incoming call or SMS. To check, ask a friend to call you or send a test message from another phone.

🔹 What if there's no item? Some firmwares have hidden the option:

Method 2: Camera app (for MIUI 11 and older)

On older firmware versions (MIUI 11 and below), the path to setting up the flash may be different, in which case a bypass maneuver through the camera app will help:

1. Open the standard Camera on your phone.

2.Tap the badge. ⚡ (flash) in the top menu and select Auto or On mode».

3. Go back to Settings → Applications → Application Management.

4. Find the Phone app, open Permissions and enable access to the camera and flash.

⚠️

Warning: If the flash doesn’t flash after this, check if a third-party antivirus (e.g. Avast or 360 Security) blocks it.

📌 Why does it work? The Camera app controls the flash hardware, and by allowing access to it for the Phone app, you're actually allowing the system to use the flash hardware. LED-notification.

Method 3: Using third-party apps (if nothing helps)

If the standard methods didn't work, Google Play apps will come to the rescue, and we tested 5 popular utilities and selected the 2 most reliable ones:

🔧 How to set up Flash Alerts 2:

1. Adjust the color (white/blue) and frequency of blinking (recommended 3-5 times).

⚠️

Note: Some applications (e.g. LED Blinker) may conflict with energy-saving MIUI modes. If the flash stops working after battery optimization, add the application to Exclusions via Settings → Battery.

💡

If the flash flash flashes too often and drains the battery, reduce the number of repetitions in the application settings by 2 to 3 times, which will reduce energy consumption by 40 to 50 percent.

Why the outbreak doesn’t work: 5 common causes and solutions

Even after setting it up properly, the flashing flash may not start.-5 causes and ways of eliminating them:

🔋 1. Energy saving regime

📱 2. Conflict with other applications

• 🛡️ Antivirus (Clean Master, DU Speed Boosters can block access to the flash. Delete them or add an exception.
• 🎵 Sound control applications (such as Volume Booster) sometimes intercept notifications.

🔦 Hardware restrictions

• 💡 On some Redmi batches 9A LED-flash is physically absent (instead of screen lighting.
• 🔧 If the phone fell or was repaired, the flash plume could be damaged, and only the service center can help.

🔄 4. Firmware failure

• 📲 Reset your phone settings to factory (Settings) → The phone. → Reset settings), but save data beforehand.
• 🔄 Update. MIUI Up to the latest version (instructions in the next section).

🚫 5. Restrictions of regional firmware

• 🌍 In Chinese (China) ROM) Global and Global (Global) ROM) version MIUI Install the firmware Xiaomi.EU for full access to the features.

💡

If the flash doesn’t flash when calling, but it works in the Camera app, the problem is precisely in the software settings, not the hardware.

How to Update MIUI to Access Flash

On older versions of MIUI (below 12.0.3), flash flashing may not be available. Update the firmware as follows:

1. Go to Settings → About Phone → System Update.

2. Click Update Checker and wait for the search.

3. If a new version is available, download it (we recommend using Wi-Fi).

4. After download, click Reboot and install.

⚠️

Note: If the update weighs more than 1.5GB, it means that a new version of Android is installed (for example, 10 to 11). Before upgrading, check the compatibility of the applications and make a backup through Settings → Additional → Backup.

🔄 What to do if the update is not available?

• 🌐 Check your internet connection (turn off) VPN, if you use).
• 📡 Switch from mobile data to Wi-Fi.
• 🔧 Install the update manually through the official Xiaomi website (select Redmi 9 model and region).

📊 According to Xiaomi Community, after the update to the MIUI 12.5 Flash feature appears in 92% of Redmi 9 users who did not have it before.

Additional settings: how to make the flash more effective

A flash can not only blink, but also change color, frequency, and even work with specific contacts.

🎨 1. Change in flash color

• 🔵 In applications like Flash Alerts 2, you can choose blue or white, and blue is less visible during the day, but is more visible in the dark.
• 🌈 Some of the scalings are available. RGB (model-only AMOLED-For example, the Redmi Note 10).

⏱️ 2. Blinking frequency adjustment

• ⚡ Optimal frequency: 3-5 blinks at intervals of 0.5 seconds. More frequent flashes drain the battery.
• 🔕 In Flash Notification settings, you can set infinite blinking until you answer the call.

📞 3. flash for individual contacts

• 👤 In the Contacts appendix+ (or standard contacts MIUI) Individual notifications may be made to VIP-contact, including the outbreak.
• 🔔 To do this, open the contact. → Change. → The sound of the notification → Additionally. → flash on.

🔋 4. Optimization of battery consumption

• 📉 Turn off flash flash blinking for unimportant notifications (e.g. from games or social media).
• ⏳ Set the delay before blinking (1-2 seconds) to have time to pick up the phone without unnecessary flashes.

💡

If you take pictures often in the dark, check if the flash overheats after a long blinking, and if it is above 40°C, MIUI automatically shuts it down for safety.

FAQ: Frequent questions about flash flash flash on Redmi 9