How to Fix WhatsApp / Telegram Notifications Delayed on Xiaomi Phones

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Delayed notifications from WhatsApp, Telegram, and other messaging apps is the #1 complaint from Xiaomi users worldwide. It is caused by HyperOS's (formerly MIUI's) aggressive battery and background-process management. Here is the definitive fix.

Why Xiaomi Delays Notifications

Xiaomi's system kills background apps to save battery. If an app isn't whitelisted, it gets killed — and can only receive a notification when the system wakes it up again, causing delays of minutes or even hours.

The Complete Fix (Do All Steps)

Step 1 – Enable Autostart
Settings → Apps → Manage Apps → [App Name] → Autostart → Toggle ON

Step 2 – Set Battery Mode to No Restrictions
Settings → Apps → Manage Apps → [App Name] → Battery Saver → Select "No restrictions"

Step 3 – Lock the App in Recent Apps
Open the app → tap Recents button → swipe up on the app card and tap the lock icon (🔒). This prevents HyperOS from clearing it.

Step 4 – Disable Battery Optimization
Settings → Battery → App Battery Saver → find the app → set to "No restrictions"

Step 5 – Disable MIUI System Ads Service (MSA)
Settings → Additional Settings → Privacy → "MSA" → Disable. This frees up system resources.

Check Your Results

After completing all five steps, send yourself a test message. In most cases, notifications will arrive within seconds. If not, also check:

• Do Not Disturb mode is off
• App notification channel is enabled in Settings → Notifications
• Google Play Services has No Restrictions battery mode

Repeat these steps for every messaging app that has delay issues (Signal, Discord, Teams, etc.).