Summary
Ads popping up on your Android phone after an update are likely caused by an adware app installed on your device.
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To get rid of them, close all your apps and discard them from the Overview screen.
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You can also use the Ghostery app to block pop-ups
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, turn off push notifications
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, and view a Wi-Fi password.
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Additionally, you can uninstall any suspicious apps that may be causing the ads.
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Summary
The first thing you should do is close all your apps. Use the usual method of swiping from the bottom and holding in the middle of your screen to enter the Overview screen. Swipe each app card to the side to discard (or use the X button to clear all apps if your version of Android supports it).
Got Pop-Up Ads on Android? How to Spot and Remove Them - MUO
makeuseof.com
Summary
The type of popup that appears even when you're not interacting with your phone is always caused by an adware app. Likely one that seemed to have legitimate functionality, and probably even an app you installed from Google Play. So it's not always easy to identify.
There's an Easy Way to Stop Random Popup Ads on Android
gadgethacks.com
Summary
Pop-up ads on Android can be annoying, but with the right security practices, users can keep most of the digital nuisances away from them. To block pop-ups on Android, users can use the Ghostery app, which is a full-blown browser that gives users visibility of the types of trackers that are on websites. Additionally, users can turn off push notifications on Android and desktop, and view a Wi-Fi password on Android.
How to Stop Pop-Up Ads on Android | Tom's Guide
tomsguide.com