How to Tell If Your Phone Is Hacked and What to Do Next in the US

Your phone holds your photos, your messages, your banking apps and your email, so the thought that someone else might be poking around in it is unsettling. The good news is that a hacked phone usually leaves clues, and this guide walks through the warning signs on iPhone and Android, how to check whether something is wrong, and the steps to take if it is.

The warning signs worth taking seriously

One odd glitch does not mean your phone is hacked, but several of these signs together should get your attention. The first is battery life that suddenly gets much worse for no clear reason. A malicious app running in the background can chew through power all day, though a dying battery or a recent software update can do the same thing, so treat this as a clue rather than proof. The second is a sharp jump in mobile data use. Spyware often sends stolen information back to a remote server, and that traffic shows up in your data usage.

Other signs are harder to explain away. Look for apps on your home screen that you do not remember installing, especially ones with generic names or no icon. Watch for pop-ups that appear even when your browser is closed, since those often come from a bad app rather than a website. Check whether settings have changed by themselves, such as a new browser homepage or a disabled security feature. Friends telling you they got strange texts or calls from your number is another red flag, as are password reset emails you never asked for or two-factor codes arriving when you did not try to sign in anywhere.

Check your phone before you panic

Start with the simplest checks, since most scares turn out to have a harmless cause. On iPhone, open Settings, tap Battery, and look at which apps used the most power over the last 24 hours and the last 10 days. Anything unfamiliar near the top deserves a closer look. On Android, the same screen lives under Settings, then Battery, then Battery usage, though the exact menu names vary a little between brands. Do the same for data: on iPhone go to Settings, then Cellular or Mobile Service, and scroll through the per-app list. On Android, check Settings, then Network and internet, then Data usage. An app using far more data than its job requires is suspicious.

Next, review every app on your phone. On iPhone, go to Settings, then General, then iPhone Storage. On Android, open Settings, then Apps, then See all apps. Delete anything you do not recognize or no longer use. Also check for configuration profiles or device management software, which can give an app deep control over your phone. On iPhone, look under Settings, then General, then VPN and Device Management. On Android, go to Settings, then Security, then Device admin apps. Anything listed there that you did not approve should be removed.

Run a security scan

A reputable mobile security app can catch malware that is hard to spot by hand. On Android, Google Play Protect is built in and already scans your apps, but you can run a manual check by opening the Play Store, tapping your profile picture, then Play Protect, then Scan. On iPhone, Apple does not allow traditional antivirus apps to scan the whole system, so your best tools are the built-in checks in Settings and a careful review of your apps. Only install security apps from the official App Store or Google Play Store, and only from companies you recognize.

What to do if you think your phone is hacked

If the signs point to a real problem, act in this order. First, turn off Wi-Fi and mobile data, or switch on airplane mode, to cut off any connection to a remote server. Second, change your most important passwords from a different device you trust, starting with your email, your bank and your Apple ID or Google account. Use strong, unique passwords for each one, and turn on two-factor authentication wherever it is offered. Do this from another device because a compromised phone could capture what you type. Third, remove any suspicious apps you found, and revoke access for any unknown devices or sessions in your Google or Apple account settings.

Fourth, update your phone to the latest version of iOS or Android, since updates often patch the exact flaws malware relies on. Fifth, tell your carrier and your bank what happened, especially if you noticed strange calls, texts or charges. Your carrier can check for SIM swap fraud, where someone convinces the carrier to move your number to their SIM card. Finally, if the problem keeps coming back after all of that, back up your photos and contacts, then factory reset the phone and set it up as a new device rather than restoring from a backup that might carry the problem with it.

How to keep it from happening again

Once your phone is clean, a few habits go a long way. Only install apps from the official App Store or Google Play Store, and read the permissions an app asks for before you accept them. A flashlight app does not need your contacts. Keep your phone updated, and do not put off those update prompts. Use a lock screen with a strong passcode, and turn on two-factor authentication for your email, your bank and your social media accounts. Be careful with public Wi-Fi, and avoid tapping links in unexpected texts, since smishing messages are one of the most common ways phones get compromised in the US.

Frequently Asked Questions

Can an iPhone get hacked?

Yes, though it is less common than on Android because Apple controls the App Store tightly. iPhones can still be compromised through malicious links, fake profiles, or flaws in iOS itself, so keeping your software updated matters even on an iPhone.

What is the first thing I should do if I think my phone is hacked?

Turn on airplane mode to cut the phone off from the internet, then change your email, banking and Apple ID or Google account passwords from a different device you trust. After that, remove suspicious apps, update your phone and check your accounts for unfamiliar activity.

Will a factory reset remove malware from my phone?

In most cases, yes. A factory reset wipes the phone back to its original state and removes installed malware. Set the phone up as a new device afterwards rather than restoring from a backup, in case the backup itself carries the problem.