WhatsApp notifications can fail in several different ways. You might receive messages only after opening WhatsApp, get notifications with no sound, miss alerts from one specific chat, see no Lock Screen notification, or discover that WhatsApp calls are not ringing.
Those symptoms do not all have the same cause.
If notifications are completely missing, start with your phone's notification permission. If messages suddenly arrive as soon as you open WhatsApp, focus on internet access and Android background restrictions. If the notification appears but stays silent, check notification categories, sound settings, Focus or Do Not Disturb instead.
WhatsApp's own support guidance makes one point especially important: your phone's notification settings can override WhatsApp's settings. That is why this guide starts with the symptom you actually have rather than changing every setting at once.
Quick answer: Make sure WhatsApp notifications are allowed in your phone's Settings, check that the affected chat is not muted, restart the phone, and test both Wi-Fi and mobile data. Android users whose messages appear only after opening WhatsApp should check battery, sleeping-app and background-data restrictions. iPhone users should check Focus, alert styles, notification-management settings and Apple Watch routing.
First: Match the Symptom to the Right Fix
Before changing settings, identify exactly what WhatsApp is doing.
| WhatsApp Problem | Check First |
|---|---|
| No WhatsApp notifications at all | Phone notification permission |
| Messages appear only after opening WhatsApp | Internet, Android battery/background restrictions |
| Notification appears but has no sound | Sound, notification category, Focus/DND |
| Only one person or group is silent | That chat's mute setting |
| WhatsApp calls do not ring | Call notification permission and Focus/DND |
| Notifications appear on Apple Watch but not iPhone | Normal Apple Watch notification routing |
| Badge count is missing or wrong | Badge/app notification settings |
| All apps have delayed notifications | Phone-wide battery, Focus, network or notification settings |
This distinction matters. There is little reason to clear WhatsApp's cache if one group chat was simply muted, and changing battery settings will not restore a notification sound that has been disabled.
Check WhatsApp Notification Permission on Your Phone
This should be the first full check because WhatsApp says your device's notification settings override the settings inside WhatsApp.
See WhatsApp's official guidance for missing WhatsApp notifications.
Android
On many Android phones, open:
Settings > Notifications > App notifications > WhatsApp
or:
Settings > Apps > WhatsApp > Notifications
Make sure WhatsApp notifications are allowed.
Depending on your phone, you may also see separate notification categories for:
- Messages.
- Groups.
- Calls.
- Other WhatsApp activity.
A main notification switch can be enabled while a specific category is silent or disabled.
Google's current Pixel instructions use Settings > Notifications > App notifications. Other Android manufacturers may use slightly different names. See Google's official notification settings guide.
iPhone
Open:
Settings > Notifications > WhatsApp
Turn on Allow Notifications.
Then choose where you want alerts to appear, such as:
- Lock Screen.
- Notification Center.
- Banners.
Also check Sounds and Badges if you want those alerts.
Apple documents these controls in its official iPhone notification troubleshooting guide.
Check WhatsApp's Own Notification Settings
After confirming phone-level permission, check WhatsApp itself.
Open:
WhatsApp > Settings > Notifications
Review the options for messages, groups and calls that are available on your device.
WhatsApp allows you to manage notification sounds and other alert preferences from this section.
You can see WhatsApp's current options in its official notification management guide.
If your phone has completely blocked WhatsApp notifications, however, changing a sound inside WhatsApp will not override that system-level block.
Notifications Only Arrive When You Open WhatsApp
This symptom deserves its own troubleshooting path.
If someone sends you several messages and nothing appears, but all of them suddenly arrive as soon as you open WhatsApp, the issue is different from simply having notification sounds turned off.
First test the connection
With WhatsApp closed, confirm your phone has a working internet connection.
Try:
- Opening a webpage.
- Switching from Wi-Fi to mobile data.
- Switching from mobile data to Wi-Fi.
If WhatsApp begins receiving messages normally on the other connection, troubleshoot the network rather than reinstalling WhatsApp.
Android users: check background restrictions next
Android battery-management features can stop or delay some alerts. Google specifically notes that Battery Saver and Adaptive Battery may delay notifications.
Samsung goes further: apps placed into Deep sleeping apps do not run in the background and may only deliver updates and notifications once the app is opened.
That makes battery/background settings particularly relevant when your exact symptom is:
“WhatsApp only receives messages when I open the app.”
WhatsApp Notifications Appear but Make No Sound
If the notification is visible but silent, WhatsApp is already receiving the message. Your internet connection is therefore less likely to be the main issue.
Check these instead:
Phone notification volume
Make sure the phone's notification or alert volume is audible.
Silent notification category on Android
Open:
Settings > Apps > WhatsApp > Notifications
Tap the relevant message or group notification category if your phone displays categories.
Make sure the category has not been set to Silent.
WhatsApp notification tone
Open:
WhatsApp > Settings > Notifications
Check the notification tone for messages and groups.
WhatsApp documents conversation tones and notification sounds in its official conversation-tone guide.
Do Not Disturb or Focus
A Focus or Do Not Disturb mode can allow a notification to exist while preventing the usual sound or interruption.
Check those settings before resetting WhatsApp.
Only One Chat or Group Is Not Sending Notifications
If WhatsApp notifications work for everyone except one person or one group, do not change phone-wide battery or network settings.
Open the affected conversation and check whether it is muted.
WhatsApp lets individual and group chats have their notifications muted separately.
Depending on your version of WhatsApp, you can usually open the conversation, tap the contact or group name, and review its notification or mute options.
See WhatsApp's official mute and unmute instructions.
If every other chat works normally after the affected conversation is unmuted, there is no reason to reinstall the app.
WhatsApp Calls Are Not Ringing
WhatsApp message notifications and call notifications can have separate controls.
If messages arrive normally but incoming WhatsApp calls do not ring, check the call notification category instead of troubleshooting all WhatsApp notifications.
Android
Open WhatsApp's system notification settings and look for Call notifications.
WhatsApp's current Android guidance specifically provides a separate option for WhatsApp call notifications.
See WhatsApp's official notification settings guide.
Also check
- Do Not Disturb.
- Focus modes.
- Notification volume.
- Whether WhatsApp itself is allowed to send notifications.
Make Sure WhatsApp Has a Working Internet Connection
WhatsApp needs an active data connection to receive new messages.
If both messages and notifications are delayed, test Wi-Fi and mobile data separately.
WhatsApp works on mobile data but not Wi-Fi
Your Wi-Fi or router may be responsible.
If Android says Wi-Fi is connected but internet access is not working, use our Wi-Fi connected but no internet on Android guide.
WhatsApp works on Wi-Fi but not cellular data
Check whether mobile data works in other apps.
If your phone shows strong cellular signal but internet access does not work, see our mobile data not working with full signal guide.
Do not reset all network settings merely because one muted WhatsApp chat has no notifications.
Fix Delayed WhatsApp Notifications on Android
Use this section primarily when alerts are late or appear only after you wake the phone or open WhatsApp.
Google says Android battery-saving features can stop or delay some notifications.
Check Battery Saver
If Battery Saver is active, turn it off temporarily and test WhatsApp with the screen locked.
Ask someone to send you a message and see whether the alert arrives immediately.
Check WhatsApp's app battery settings
Menu names vary by Android manufacturer.
On phones that expose per-app battery controls, open:
Settings > Apps > WhatsApp > Battery
or:
Settings > Apps > WhatsApp > App battery usage
Look for a setting that is aggressively restricting background activity.
Do not automatically set every app on your phone to Unrestricted. Make the change only for WhatsApp if delayed background delivery is the problem and test whether it actually helps.
Check Data Saver
Android's Data Saver can limit the background mobile-data activity of apps.
If WhatsApp notifications are delayed specifically on cellular data, check whether WhatsApp is permitted to use background data while Data Saver is active.
Google explains that Data Saver limits background mobile data for most apps in its official Data Saver guide.
Samsung Galaxy: Check Sleeping and Deep Sleeping Apps
This is particularly important on Samsung Galaxy phones.
Samsung's current documentation distinguishes between:
- Sleeping apps: background activity is limited and notifications may be delayed.
- Deep sleeping apps: the app does not run in the background, and updates or notifications may appear only when you open it.
Open:
Settings > Battery or Battery and device care > Battery > Background usage limits
The wording varies by Galaxy model and software version.
Check whether WhatsApp is listed under:
- Sleeping apps.
- Deep sleeping apps.
If it is, remove WhatsApp from that list and test incoming messages again.
Samsung also provides a Never auto sleeping apps list on supported devices for apps that should not automatically be put to sleep.
See Samsung's current Galaxy battery optimization guide and its notification troubleshooting guide.
Check Do Not Disturb and Focus Mode on Android
Do Not Disturb can silence notifications, while Android's Digital Wellbeing Focus mode can pause selected apps entirely.
Google states that an app selected in Digital Wellbeing's Focus mode cannot be used and will not send notifications while that mode is active.
Open:
Settings > Digital Wellbeing & parental controls > Focus mode
Check whether WhatsApp is included.
Also check your phone's Do Not Disturb or Modes settings.
See Google's Digital Wellbeing documentation.
Check Focus on iPhone
If WhatsApp notifications are enabled but alerts disappear during certain times of day, at work, while sleeping or while driving, check Focus.
Open:
Settings > Focus
Select the Focus mode that is active and review the Apps section.
Apple lets you either allow notifications from selected apps or silence selected apps while a Focus is running.
If you need WhatsApp alerts during that Focus, configure WhatsApp accordingly.
Apple provides the current settings in its Focus notification guide.
Check iPhone Notification Summaries and Reduce Interruptions
Newer iPhones can do more than simply turn notifications on or off.
On supported devices and software versions, notification-management features can summarize or prioritize alerts, and the Reduce Interruptions Focus can silence notifications that the system determines are less important.
If WhatsApp notifications seem to be handled differently from before, open:
Settings > Notifications
Review available notification-summary and prioritization options.
Also check:
Settings > Focus
if Reduce Interruptions or another Focus is active.
Apple documents these current iOS features in its notification summaries and Reduce Interruptions guide.
Check Apple Watch Notification Routing
If you own an Apple Watch and wonder why a WhatsApp notification appeared on the watch but not the iPhone, that may be normal behavior rather than a WhatsApp bug.
Apple explains that notifications normally go to either the Apple Watch or iPhone—not both.
- If the iPhone is unlocked, notifications normally appear on the iPhone.
- If the iPhone is locked or asleep, notifications can be delivered to the Apple Watch instead when the watch is available.
Open the Watch app on your iPhone and review:
My Watch > Notifications
Apple explains this behavior in its official Apple Watch and iPhone notification guide.
WhatsApp Badge Count Not Showing or Updating
If messages and sounds work but the number on the WhatsApp icon is missing, this is primarily a badge problem.
Android
Open WhatsApp's notification settings and make sure app notifications are allowed. Also check your phone's option for notification dots or app-icon badges.
WhatsApp's official badge troubleshooting guide recommends confirming that WhatsApp notifications are allowed at the device level.
iPhone
Open:
Settings > Notifications > WhatsApp
Make sure Badges is enabled.
If the badge is wrong but incoming notifications otherwise work, avoid resetting unrelated network settings.
Restart and Update WhatsApp
If all relevant notification settings look correct, restart the phone before making more disruptive changes.
Then check for:
- A WhatsApp update in Google Play Store or App Store.
- An Android or iOS system update.
After updating, test with a new incoming message. Do not rely only on old notifications that were already missed.
If WhatsApp itself freezes, crashes or closes while you are trying to troubleshoot alerts on Android, see our Android apps keep crashing guide.
Clear WhatsApp Cache on Android
If WhatsApp notifications remain inconsistent on Android after checking permissions, network access and background restrictions, you can clear the app's temporary cache.
On many Android phones:
Settings > Apps > WhatsApp > Storage or Storage & cache > Clear cache
Do not tap Clear storage or Clear data as if it were the same thing.
Clearing cache removes temporary files. Clearing the app's storage is much more disruptive.
For manufacturer-specific instructions, use our Android cache clearing guide.
Reinstall WhatsApp Only as a Last Resort
Do not make reinstallation your first response to missing notifications.
Before uninstalling WhatsApp, confirm that your chats are safely backed up and that you understand which messages and media can be restored.
Inside WhatsApp, check:
Settings > Chats > Chat backup
Confirm that a recent backup has completed before removing the app.
If your backup itself refuses to complete, fix that first with our WhatsApp backup stuck troubleshooting guide.
Only after protecting your data should you consider:
- Uninstalling WhatsApp.
- Restarting the phone.
- Installing WhatsApp again from Google Play Store or App Store.
- Signing in with the correct phone number.
- Allowing notifications when prompted.
- Restoring your backup where appropriate.
If notifications still fail after a clean install while other apps work normally, use WhatsApp's official support options rather than factory-resetting your entire phone for one app.
Frequently Asked Questions
Why are my WhatsApp notifications not working?
The most common places to check are the phone's WhatsApp notification permission, WhatsApp's notification settings, Focus or Do Not Disturb, a muted conversation, internet connectivity and—on Android—battery or background restrictions.
Why do WhatsApp messages only arrive when I open the app?
First check the internet connection. On Android, also check battery-saving settings, background-data restrictions and manufacturer features such as Samsung Sleeping or Deep sleeping apps. Samsung states that deeply sleeping apps may only receive updates and notifications when opened.
Why do I receive WhatsApp notifications but no sound?
If the alert appears, check notification volume, WhatsApp's notification tone, Android notification categories, and Focus or Do Not Disturb. The issue is less likely to be the internet connection when the notification itself is already arriving.
Why is only one WhatsApp chat not giving notifications?
That conversation may be muted. Open the chat or group, tap its name and review the notification or mute settings before changing phone-wide settings.
Why are WhatsApp group notifications not working?
Check whether the group itself is muted and whether your device exposes a separate Group notifications category that has been disabled or set to silent.
Why are WhatsApp calls not ringing?
Check WhatsApp's call notification category, phone notification permission, notification volume, Do Not Disturb and Focus settings. WhatsApp provides separate call notification controls on supported devices.
Why are WhatsApp notifications delayed on Samsung?
Check Settings > Battery or Battery and device care > Battery > Background usage limits. Remove WhatsApp from Sleeping apps or Deep sleeping apps if it has been placed there.
Does Battery Saver delay WhatsApp notifications?
It can on Android. Google's Pixel documentation says Battery Saver and Adaptive Battery may stop or delay some alerts. If delayed notifications occur mainly while the phone is idle, temporarily testing without the restriction can help identify the cause.
Does Focus stop WhatsApp notifications on iPhone?
Yes, depending on how the Focus is configured. iPhone lets a Focus allow or silence notifications from specific apps. Check Settings > Focus and review the active Focus profile.
Why do WhatsApp notifications go to my Apple Watch instead of my iPhone?
Apple normally routes a notification to either the Apple Watch or iPhone rather than both. When the iPhone is locked or asleep and the watch is available, the alert may appear on the watch.
Should I turn on Background App Refresh to fix WhatsApp notifications on iPhone?
Start with notification permission, Focus, alert styles, network connectivity and device notification routing instead. These are more directly related to whether an incoming notification is displayed or silenced.
Should I reset network settings?
Not as an early fix for a WhatsApp-only notification problem. Network reset affects saved connectivity settings and is more appropriate when several apps or network functions are failing.
Should I clear WhatsApp data on Android?
No, not as a routine notification fix. Clear cache first if needed. Clearing storage or app data is much more disruptive and should not be confused with clearing temporary cache.
Will reinstalling WhatsApp delete my chats?
Reinstallation can put locally stored data at risk if you do not have a usable backup. Confirm your WhatsApp chat backup before uninstalling the app.
Why does the WhatsApp icon not show the unread-message number?
Check that WhatsApp notifications are allowed and that app-icon badges or notification dots are enabled on your phone. Badge behavior varies between Android launchers and iPhone.
Final Thoughts
When WhatsApp notifications are not working, the fastest fix depends on the exact symptom.
If nothing appears at all, check phone-level notification permission first. If notifications arrive but are silent, check alert sounds, notification categories and Focus or Do Not Disturb. If only one chat is affected, check whether that conversation is muted.
When WhatsApp messages arrive only after you open the app, focus on internet connectivity and Android background restrictions. Samsung users should pay particular attention to Sleeping and Deep sleeping apps because those settings can delay or prevent background notifications.
On iPhone, review notification permission, Focus settings, newer notification-management features and Apple Watch routing before reinstalling the app.
Save cache clearing and reinstallation for later. And before uninstalling WhatsApp, always make sure the chats you need are safely backed up.