How to Check if Your Phone Is Hacked

Look for common warning signs that your phone may have been compromised by malware or a hacker.

Steps

1
Check for unusual battery drain.
Open your battery usage settings to see if an unknown app is using lots of power in the background.
2
Look for apps you did not install.
Scroll through your app list and delete any apps you do not recognize or remember downloading.
3
Watch for pop-up ads on your home screen.
Persistent ads appearing outside of browsers are a sign of adware on your phone.
4
Review your data usage for spikes.
Go to your cellular data settings and look for apps using data when you are not using your phone.
5
Run a security scan using trusted software.
Use the built-in security tools on your phone or download a well-known antivirus app.

Can someone hack my phone by calling me?Show

No, receiving a call alone cannot hack your phone. Do not download apps or visit links that someone sends you during a call.

Will a factory reset remove hackers?Show

Yes, a factory reset removes most malware and hacking tools. Back up your important data first and do not restore from old backups.

How do I prevent my phone from being hacked?Show

Keep your phone software updated, only install apps from official app stores, and do not click links in text messages from unknown senders.

Written by the HowToDoStuff.online editorial team. Last updated May 18, 2026.