Nowadays, Android phones have plenty of ways to deal with this nagging problem (pop-ups). There are view tips to stop pop-ups on your android devices
Block Pop-Ups in Chrome for Android – Chrome is the most widely used Android web browser. To do this, open Chrome on your Android device, tap the three-dotted menu icon at the top right, then tap “Settings -> Site settings -> Pop-ups” and switch the slider so it’s set to block pop-ups.
Block Pop-Ups in Firefox for Android – Firefox for Android doesn’t have a built-in pop-up blocker like Chrome, but it does have support for add-ons like uBlock Origin. uBlock Origin has plenty of options for customization, letting you create your own rules, blacklists, whitelists, and so on for various sites.
Use Opera – Opera Mini is the best browser for mobile devices. Among other factors, it has the best built-in pop-up and adblocker. doing a better job of filtering them out than Chrome.
Scan Your Android Phone for Malware – Madware is malware that delivers ads automatically, and pop-up ads are a huge part of it. Hopefully you have some kind of anti-virus on your device; if you do, make sure it’s configured to do automatic scans.
Some Apps Can Cause Pop-Ups – If you have been getting pop-ups for a while and don’t know what’s causing them, then it’s possible they’re being caused by an app that you installed on your android device. You might just need to go through a process of elimination where you install an apps one by one and check at which point the pop-ups stop appearing.