How to Tell if Your Phone Has Spyware and Remove It in the US

Spyware is software that quietly watches what you do on your phone. It can track your location, read your messages, log what you type, and even turn on your microphone or camera. Most people never install it on purpose. It usually arrives through a fake app, a bad link, or someone with physical access to the phone. The good news is that spyware leaves clues, and in most cases you can remove it yourself without paying for a repair.

This guide walks through the warning signs, the checks you can run on iPhone and Android, and the steps to clean your phone and keep it clean.

Step 1: Learn the warning signs

Spyware runs in the background and uses resources your phone would otherwise save. One odd symptom alone rarely means spyware, but a cluster of them is worth investigating.

Your battery drains much faster than usual, even when you are not using the phone heavily. Your mobile data usage jumps without a clear reason, because spyware sends what it collects back to a server. Your phone feels warm while it sits idle, or it restarts on its own. Apps take longer to open, the screen lights up for no reason, or you hear strange noises during calls. You may also find apps you do not remember installing, or settings that changed by themselves.

On Android, another red flag is a sudden flood of pop-up ads outside of any app. On iPhone, watch for unfamiliar configuration profiles.

Step 2: Check your apps and permissions

Start with the simplest check. Open your full app list and look for anything you do not recognize. On iPhone, go to Settings, then General, then iPhone Storage to see every installed app. On Android, open Settings, then Apps, then See all apps. Pay attention to apps with generic names, no icon, or a blank description. Search the name of any app you do not know before you delete it, so you do not remove a system app your phone needs.

Next, review permissions. On iPhone, go to Settings, then Privacy and Security, and look at Location Services, Microphone, and Camera. On Android, open Settings, then Privacy, then Permission manager, and check the same three permissions. Remove access from any app that does not need it.

On Android, also check for device admin apps, which can resist deletion. Go to Settings, then Security, then Device admin apps, and turn off admin rights for anything suspicious. On iPhone, check Settings, then General, then VPN and Device Management for profiles you did not install. A profile you do not recognize should be removed.

Step 3: Check battery and data usage

Your phone keeps a record of what uses power and data, and spyware usually shows up there. On iPhone, go to Settings, then Battery, and look at the list of apps by battery use over the last 24 hours. On Android, open Settings, then Battery, then Battery usage. An unfamiliar app near the top of the list deserves a closer look.

Do the same for mobile data. On iPhone, go to Settings, then Cellular or Mobile Data, and scroll through the per-app list. On Android, open Settings, then Network and internet, then Data usage. A small utility app that has used hundreds of megabytes is suspicious.

Step 4: Run a security scan and update your phone

On Android, open the Play Store, tap your profile icon, then Play Protect, and run a scan. Play Protect checks installed apps against known harmful software and can remove or disable what it finds. Keep it turned on so it scans new apps automatically.

iPhones do not have a built-in malware scanner, but Apple reviews every App Store app and iOS itself blocks most spyware from installing. Your best move on iPhone is to update iOS, which closes the security holes spyware relies on. Go to Settings, then General, then Software Update, and install any update that is waiting. On Android, do the same under Settings, then System, then System update, and also update the Google Play system update if one is available.

Avoid downloading a random "phone cleaner" or "spyware remover" from an app store. Many of those apps are spyware themselves, or they charge for features your phone already has. Stick with the built-in tools.

Step 5: Remove the spyware and lock the phone down

If you found a suspicious app, delete it. On iPhone, press and hold the app icon, tap Remove App, then Delete App. On Android, long-press the icon and tap Uninstall, or remove it from Settings, then Apps. Restart your phone after deleting it, then repeat the battery and data checks to see if the symptoms stop.

If the symptoms continue, back up your photos and important files, then reset the phone to factory settings. On iPhone, go to Settings, then General, then Transfer or Reset iPhone, then Erase All Content and Settings. On Android, go to Settings, then System, then Reset options, then Erase all data. Set the phone up as new rather than restoring from a backup, which can carry the spyware back onto the phone.

After the cleanup, change the passwords for your email, banking, and social accounts, and turn on two-factor authentication where it is offered. If someone had physical access to your phone, change your lock screen code too. In the US, you can report phone spyware to the Federal Trade Commission at reportfraud.ftc.gov, and to the FBI's Internet Crime Complaint Center at ic3.gov if money or identity theft is involved.

Frequently Asked Questions

Can an iPhone get spyware?

Yes, though it is less common than on Android. Most iPhone spyware arrives through a malicious configuration profile, a fake app installed outside the App Store, or someone with physical access to the phone. Keeping iOS updated, avoiding profiles from unknown sources, and using a strong passcode are the best defenses.

Will a factory reset remove spyware?

In almost all cases, yes. A factory reset erases every app and setting, including hidden spyware. The exception is rare spyware that lives in the phone's firmware, which a reset does not touch.

How do I stop spyware from coming back?

Only install apps from the official App Store or Google Play Store, and check reviews and the developer name first. Do not tap links in unexpected texts or emails, keep your phone updated, use a lock screen code, and never hand your unlocked phone to someone you do not trust.