When lock screen notifications stop showing on your OnePlus 15, it becomes easy to miss important messages, calls, or alerts. The phone may still receive notifications in the background, but nothing appears when the screen is locked. This problem is usually caused by notification settings, privacy controls, or battery optimizations that quietly block alerts from appearing.
Why Your OnePlus 15 Lock Screen Notifications Are Not Showing
- Lock screen notification display is turned off in system settings.
- App notifications are restricted or hidden for privacy reasons.
- Battery optimization is limiting background activity for certain apps.
- Do Not Disturb mode is blocking visual alerts.
- Notification content is set to hide sensitive details on the lock screen.
1. Check Lock Screen Notification Settings
Lock screen notifications can be disabled system-wide, even if apps are allowed to send alerts. If this setting is off, notifications will never appear when the screen is locked.
Open Settings, and then tap Notifications.
Tap Lock screen notifications, and make sure Show all notifications is enabled.
Confirm that notification previews are allowed on the lock screen.
2. Make Sure App Notifications Are Allowed
Even if lock screen notifications are enabled, individual apps can still be blocked. This often happens after updates or when permissions are changed manually.
Open Settings, and then tap Notifications.
Tap App notifications, and select the affected app.
Enable Allow notifications and make sure Lock screen notifications are turned on.
3. Disable Battery Optimization for Important Apps
Aggressive battery management can stop apps from pushing notifications to the lock screen. This is common with messaging apps and social media apps.
Open Settings, and then tap Battery.
Tap Battery optimization, and choose the app that is missing notifications.
Set it to Not optimized to allow background activity.
4. Check Do Not Disturb Mode
Do Not Disturb mode can silence notifications and prevent them from appearing on the lock screen. It may turn on automatically based on schedules or routines.
Open Settings, and then tap Sound and vibration.
Tap Do Not Disturb, and make sure it is turned off.
Review any schedules that might enable it automatically.
5. Show Notification Content on the Lock Screen
Your OnePlus 15 may be set to hide notification content for privacy. When this happens, notifications may arrive but remain invisible until you unlock the phone.
Open Settings, and then tap Notifications.
Tap Lock screen notifications, and choose Show sensitive content.
Lock your phone and check if notifications now appear correctly.
6. Restart the Phone
Temporary system glitches can interfere with how notifications are displayed. Restarting refreshes system services and often restores normal notification behavior.
Swipe down from the top to open Quick Settings.
Tap the Power icon, and then tap Restart.
Wait for the phone to boot up and test the lock screen again.
Once notifications are allowed, visible, and free from restrictions, your OnePlus 15 should display alerts normally on the lock screen. Most issues come down to a single setting that quietly blocks them, and fixing it usually takes only a minute.
FAQs
Why do notifications show only after unlocking my OnePlus 15?
This usually means notification content is hidden on the lock screen for privacy. Changing the lock screen notification visibility fixes this.
Can battery saver mode block lock screen notifications?
Yes. Battery saver and app optimization can delay or suppress notifications, especially for messaging and social apps.
Do app updates affect lock screen notifications?
Yes. Some updates reset notification permissions, which can stop alerts from appearing until they are reenabled.
