If your OnePlus phone does not show notifications after the Android 11 update, then you are not alone. The problem is due to the aggressive battery optimization under Intelligent Control and easy to solve. And, it happens if an app keeps in the background for some time. The aggressive battery optimization feature of OxygenOS freezes apps if you are not using them for some time and denies them waking up at intervals.
Steps to Fix Notification Not Comming Issue on OnePlus Phones
First, open the App drawer on your OnePlus phone.Next, long tap on the app icon, which you do not receive notifications.Tap on the App info button in the popup window.On the App info page, select Advanced and tap on the Battery option.In the Battery Optimization screen that opens, select the Don’t optimize option.Repeat the steps for any other apps, which you want to disable battery optimization.
You will now receive notifications from your favorite app, as the system will not kill them in the background. But, keep in mind that it may increase battery usage. So choose apps that are important to you. More Resources:
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