How to enable notifications on the lock screen Xiaomi Redmi 9T: a complete guide with the nuances of MIUI

Why Redmi 9T Block Notifications Are Not Working – and How to Fix It

Are you missing important messages because the Xiaomi Redmi 9T doesn't show notifications on a locked screen? This problem is familiar to many smartphone owners on MIUI 12/13 - the default system hides the content of notifications "for security." But it takes less than a minute to set up if you know where to look for the right switches.

In this article, we have 3 proven ways to enable notifications on the lock screen, including hidden settings for specific applications (such as WhatsApp or Viber). Also, we will discuss why sometimes notifications disappear after a MIUI update, and how to return them without resetting. Redmi 9T with V12.5.3.0.RJQMIXM firmware and later has a bug: notifications from Google Play Services block the rest - the solution inside.

Before you start, make sure that:

  • πŸ“± The smartphone is charged at least 20% (system settings can be reset when the discharge is below 15%).
  • πŸ”’ There is no incognito or Second Space mode on the device – they block notifications.
  • πŸ“Ά There is a stable Internet connection (for synchronizing Mi Cloud notifications).
πŸ“Š What notifications do you want to see on the block?
Just calls and calls. SMS
Messages from messengers
Notifications from all annexes
No, just indicators.

Method 1: Basic settings through "lock screen"

The fastest method is to activate notifications in the main settings menu, which works on all versions of MIUI for Redmi 9T, but does not give flexibility in selecting specific applications.

Instructions:

  1. Open the Settings β†’ Lock screen.
  2. Scroll down to the Notification block on the lock screen.
  3. Turn on the Display Notifications switch.
  4. Choose one of the options: πŸ”Ή Display content – displays text messages (unsafe in public places). πŸ”Ή Hide content – only shows the app icon and title. πŸ”Ή Not to show – notifications will only be in the curtain.

Important! If notifications don't show up after these actions, check Settings β†’ Applications β†’ Application Management β†’ [messaging app name] β†’ Notifications. Often MIUI automatically disables notifications for new apps.

β˜‘οΈ Checking before setting up

Done: 0 / 4

Method 2: Manually Managing Notifications for Individual Applications

If you want Telegram notifications to show up on lockdown and Facebook not, use custom settings.This method also solves the problem when notifications from some apps disappear after 5 seconds.

How to set up:

  1. Go to Settings β†’ Applications β†’ Application Management.
  2. Select the app you want (such as WhatsApp).
  3. Click Notifications β†’ turn on the Allow Notifications switch.
  4. In the section Lock screen select: πŸ”“ Show - to display the full text. πŸ”’ Hide - only to show the icons. ❌ Do not show – to remove notifications of this application from the lock.

Importance β†’ High

For Redmi 9T with MIUI 13, there is a caveat: if the app has Concentration Mode enabled (like Instagram or TikTok), notifications may not come.

Why are not Viber notifications shown?
Some versions of Viber for Android have a bug with notification synchronization on MIUI. Solution: Open Viber, go to Settings β†’ Notifications β†’ Synchronize notifications and turn off/on the option back.

Method 3: Reset notification settings (if nothing works)

If notifications are lost after a MIUI update or a phone reset, resetting notification settings to factory notifications may help, and it won't delete your data, but it will return all permissions to default.

Step-by-step:

  1. Open Settings β†’ Applications β†’ Application Management.
  2. Click on the three dots in the upper right corner β†’ Reset application settings.
  3. Confirm the action (a password may be required).
  4. After resetting, restart your phone and reset the notifications using Method 1 or Method 2.

⚠️ Note: This method will also reset all permissions for applications (camera, microphone, etc.) After the procedure, check the privacy settings in Settings. β†’ Confidentiality.

If the reset didn't work, the problem could be in the system's cache.

Settings β†’ About the phone β†’ Memory β†’ Clean the cache

Table: Frequent Problems and Solutions for Notifications on Redmi 9T

Problem.Probable causeDecision
Notifications are shown, but disappear after 2 secondsPower saving mode is enabled for the applicationOpen Settings β†’ Battery β†’ Select applications and disable optimization for the messenger
Notifications are delayed (10+ minutes)Limited background access to the networkIn the application settings, enable Auto Start and Background Activity
Only notifications from SMS are displayed on the block."Priority Only" mode is included in Do not disturbTurn off Do Not Disturb or add apps to exceptions
Notifications are not shown after the MIUI updateResetting security settingsReinstall certificates to Settings β†’ Passwords and security β†’ Trusted credentials

πŸ’‘

If notifications are important but you’re afraid of privacy, use the Hidden Album feature in MIUI: swipe left on the lock screen to see notifications without unlocking your phone.

How to save your battery without losing notifications

Many Redmi 9T users turn off notifications on lock because of increased battery consumption. Indeed, constant screen activity (even in Always-On Display mode) can reduce the time of operation by 10-15%.

  • πŸ”‹ Use Adaptive Brightness (configure in the Screen) β†’ Brightness) so that the blockage does not glow at maximum.
  • ⏱️ Set the screen shutdown time to 15-30 seconds (in Settings) β†’ Screen. β†’ Sleeping mode).
  • πŸ“΅ Turn off notifications for unnecessary apps (such as games or news services).
  • πŸ”„ Enable Battery Optimization for Background Processes, but Add Messengers to Exceptions.

To check the battery consumption of a specific application:

Settings β†’ Battery β†’ Usage Statistics β†’ [select app]

⚠️ Note: If you use Performance Mode in battery settings, notifications may come with a delay of up to 5 minutes.

Security: How to Hide Confidential Notifications

Showing notifications on the lock is convenient, but risky: anyone can read your messages without even unlocking the phone. MIUI There are tools for protection:

  1. Hiding Content: In the app notification settings, select Hide Content – only icons will be displayed.
  2. Blacklist: In Settings β†’ Notifications β†’ Blacklist add apps whose notifications should not appear on the lock.
  3. Double tap to view: Enable Settings β†’ Lock screen β†’ Double tap to view notifications.
  4. Notification encryption: For WhatsApp and Signal, enable end-to-end encryption in the messenger settings.

If you are often in public, we recommend using Incognito Mode to block:

Settings β†’ Lock screen β†’ Incognito mode β†’ Enable

In this mode, notifications will be hidden until the phone is unlocked.

πŸ’‘

The Redmi 9T with MIUI 13 has a hidden feature: if you hold your finger on a lock notification, it will reveal content without fully unlocking the phone (works only for SMS and calls).

FAQ: Answers to Frequent Questions

Why do lock notifications only appear after unlocking your phone?
This involves setting up Deferred Notifications in MIUI. Open Settings β†’ Notifications β†’ Additional β†’ Deferred Notifications and turn off the option. Also check if the Do Not Disturb Schedule mode is enabled.
Can I set up different notifications for SIM1 and SIM2?
Yes, but only for calls and SMS. Go to Settings. β†’ SIM-maps and mobile networks β†’ Call notifications/SMS and choose which one to use. SIM-Cards can be locked to alerts, and messengers like Telegram can't do that, because they're tied to an account, not to an account. SIM.
Notifications are working, but the phone is not vibrating. How do I fix it?
Check: Is vibration enabled in Settings β†’ Sound β†’ Vibration. Is vibration disabled for a particular application (in its notification settings) Is Quiet mode on via volume button. Is vibration motor working: test it in Settings β†’ About phone β†’ Diagnostics β†’ Vibration.
After the phone was reset, the notifications on the lock went missing.
This is standard MIUI behavior after a reset. You need to: Re-enable notifications in Settings β†’ Lock screen. Allow notifications in Settings β†’ Apps β†’ App Management. Update Google Play Services (often not working properly after a reset). If the problem persists, check if the MIUI beta is installed - it may have notification bugs.
Can you make the notifications on the block only appear at night?
There is no direct function for this in MIUI, but you can use a workaround: Install MacroDroid from Google Play. Create a macro with Time (e.g. 22:00-7:00). Add the action Enable notifications on lock (via MIUI settings). Set back to daytime. Alternative: Use Sleep Mode in Settings β†’ Screen β†’ Sleep Mode, but it hides all notifications.