If you weren’t able to detect any malicious-looking apps during the previous steps or you still haven’t fully resolved the problems you’re having with your iPhone, you’ll need to run a malware scan using an antivirus app. If you weren’t able to locate a malicious app during any of the previous steps, you probably haven’t alleviated this problem, so you should skip to the next step.

If every time you browse the internet on your iPhone you find yourself bombarded by ads, there’s a good chance your device is infected with adware (a particular type of malware). If you find one, you should strongly consider removing it because it could very well be malware.

If you’ve had your iPhone for a while and you’ve installed lots and lots of apps, this may take a few minutes, but swipe through all installed apps and look for any that you don’t remember installing.

For more information about the different types of malware, check out this article. You’ll also need to simply scan through all the installed apps and look for ones you don’t recognize. Some consume more battery and data than others, so the above two steps are not catch-all methods for detecting malicious apps.

Free virus scan and removal for iphone