Will a Factory Reset Remove Malware From Your Device?

A factory reset will remove most malware that was installed as an app or stored in ordinary device data. A factory reset may not remove rare malware embedded in device firmware, and the device can be infected again if you restore an unsafe backup.

What does a factory reset actually erase?

A factory reset returns a phone or tablet to its default software settings. It normally removes downloaded apps, personal files, saved accounts, and changes you made to system settings.

A factory reset is different from these common actions:

• A normal software update installs system fixes but usually keeps your apps, files, accounts, and settings.
• Uninstalling an app removes that app and some related data, but it does not wipe the whole device.
• Restarting the device closes and reloads its software without deleting personal data.
• A factory reset erases personal content from the device and requires you to set it up again.

The exact items erased can depend on the device and whether files are stored internally, on removable storage, or in a cloud account. Read the reset confirmation screen carefully before continuing.

Will a factory reset remove malware?

For most app-based infections, the answer to “will a factory reset remove malware?” is yes. Wiping the device removes downloaded apps and their stored data, including most malicious apps installed through a download, attachment, or misleading prompt.

Malware can return during setup if you automatically restore every app and all app data from a backup made while the device was infected. The same risk applies if you reinstall an unsafe app or open the same harmful file afterward.

A much rarer case is firmware-level malware. Firmware is low-level software that controls the device before ordinary apps start. A standard factory reset may not replace compromised firmware, so persistent symptoms need help from the device manufacturer or another qualified support channel.

How do you back up a device without restoring the infection?

Save essential personal items selectively instead of making a full backup that automatically restores every app and setting. This lowers the chance of carrying the infected app or its data onto the cleaned device.

• Sync contacts and calendars with an account you control.
• Copy photos, videos, and personal documents, but do not copy unfamiliar installation files, downloads, or attachments.
• Write down the names of essential apps rather than backing up the apps themselves.
• Do not preserve an app’s data if that app caused pop-ups, redirects, unexpected permission requests, or other suspicious behavior.
• Check removable storage separately, because a factory reset may not erase it.

After the reset, reinstall only apps you recognize and still need. Add them one at a time so you can identify the cause if symptoms return.

How do you perform a factory reset safely?

Menu names vary, but the reset option is generally found under the device’s system, general management, transfer, or reset settings. Keep the device charged and do not interrupt the erase process.

1. Back up only trusted contacts, photos, documents, and other necessary files.
2. Confirm that you know the email address, username, password, and recovery method for the account linked to the device.
3. Make sure you can receive a verification code on another trusted device, phone number, or email account if two-step verification is enabled.
4. Open the device settings and find the option for erasing all content or performing a factory data reset.
5. Review what will be erased, enter the requested device passcode or account password, and confirm the reset.
6. Wait for the device to restart, then set it up as new instead of immediately restoring every app and setting.

How do you sign back into your account after a factory reset?

After a factory reset, the device may ask for the account that was previously linked to it. This security check can require the account email address or username, password, and a verification code.

If you forgot the password, use the official password-recovery option before wiping whenever possible. Open {site} and look for a link labeled Sign In, Forgot Password, Reset Password, or Account Recovery. Complete recovery from a trusted device and confirm that you can access the recovery email address or phone number.

Do not reset repeatedly if the account is locked or verification codes are not arriving. Repeated attempts may not solve an account-access problem, so use the official support options shown on the service’s site.

What should you do if malware symptoms continue after a reset?

Do not restore the full backup if unwanted pop-ups, redirects, unknown apps, or unexplained settings changes disappeared after the reset. If those symptoms return only after a particular app or backup is restored, that app or restored data is the likely source.

If the symptoms appear before you reinstall apps or restore files, check whether they are actually device or network problems. A failing screen, browser notification permission, unfamiliar network, or account synchronization issue can resemble malware.

Symptoms that begin immediately on a clean setup and persist after official system updates may point to a deeper software or firmware problem. Contact the device manufacturer or an authorized repair channel for diagnosis rather than repeatedly erasing the device.

When should you contact support instead of resetting?

Contact account support before resetting if you see unfamiliar sign-ins, password changes, altered recovery details, unauthorized messages, or activity you do not recognize. A factory reset cleans local device data but does not reverse changes already made inside an online account.

Use a trusted device to change the account password, review signed-in devices and recent activity, and remove access you do not recognize. Ask official support to check suspicious account activity when the available account controls are not enough.

If the service also provides gift cards, check the gift card balance through the verified balance section on {site} or by following the instructions printed on the card. Keep account recovery and gift card questions separate from the device reset so each issue can be checked clearly.