Answer 12 quick questions → get your phone security score → fix each gap as you go.

A website cannot secretly inspect your settings. That is a good thing. This guided check shows you exactly where to look. Your answers and progress stay in this browser.

I think my phone is hacked

Odd battery use or one popup does not prove a hack. Unknown account sign-ins, messages you did not send, changed recovery details, unfamiliar apps/profiles, or a phone number that suddenly stops working deserve action.

If money is moving, call the bank or card company now using the number on your card or statement. If your phone suddenly lost service, call your carrier from another phone and ask whether the SIM or number was transferred.

Use another trusted device if possible. Do not follow links from an alert or text. Open the official account site yourself.
Secure the account that controls the phone. Review devices, change the password, remove unknown recovery details, and turn on two-factor authentication: Apple Account · Google Security Checkup.
Update and inspect the phone. Install the current system update. On iPhone, review Settings → General → VPN & Device Management and Privacy & Security → Safety Check. On Android, run Play Protect and review recently installed apps, device-admin apps, VPNs, and accessibility access.
Protect the phone number. Ask the carrier to check recent SIM/eSIM changes, add an account PIN, and enable number-transfer protection.
Check important accounts. Start with email, banking, saved passwords, cloud photos, and social accounts. Sign out unknown sessions. Warn contacts if messages were sent as you.
Get official help before erasing. If unfamiliar behavior continues, back up irreplaceable files and contact Apple, the phone maker, or the carrier. A factory reset is a last step, not the first.

0 of 6 emergency steps checked

Official references: Apple: compromised account · Google: secure a hacked account.

My phone was lost or stolen

Do not confront someone who may have the phone. Use another trusted device and work through these steps. If you are in immediate danger, call local emergency services.

Ignore texts or calls claiming your phone was found if they ask for your passcode, verification code, or account password. Apple, Google, and police do not need those secrets to return a device.

Locate and lock it now. Use Apple Find Devices or Google Find Hub. Mark it lost or secure it, and save a screenshot of its location for police. If it was simply misplaced, add a safe callback number; if it was stolen, Apple advises leaving contact details off to reduce follow-up scams. Do not travel there yourself.
Call the mobile carrier. Suspend service and ask it to block SIM/eSIM changes and number transfers. Ask how to record the device identifier as lost or stolen.
Protect the main Apple or Google account. If the phone is not visible, was unlocked, or your account changed, change its password from a trusted device and review signed-in devices and recovery details.
Protect money and identity. Contact banks/card issuers if payment or identity apps were accessible. Review recent transactions. File a police report for theft or insurance, keeping the serial number and device identifier.
Erase only when recovery looks unlikely. Remote erase protects local data but can limit later recovery options. Follow Apple/Google instructions. On Apple devices, do not remove the device from Find My after erasing—doing so removes Activation Lock.
Watch for the follow-up scam. Thieves may impersonate Apple, Google, the carrier, or police to get the passcode or make you remove the device from your account. Do not comply.

0 of 6 emergency steps checked

Official references: Apple: stolen iPhone · Google: find, secure, or erase Android.

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I think my phone is hacked

My phone was lost or stolen

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12 phone security walkthroughs