19 Clear Signs That Your Smartphone Was Hacked

2. Increase of spam pop-ups

When you notice a surge in spam pop-ups or weird screensavers, this indicates your phone is being attacked. Not all pop-ups mean that your phone has been hacked, but an increasing number of pop-ups may indicate that your phone has been infected with malware. It's necessary to constantly clear the cookies on your phone so you can get rid of those annoying pop-ups.