1. Lock Your Phone
Set your phone to lock when you’re not using it and create a PIN or passcode to unlock it. Use at least a 6-digit passcode. You also might be able to unlock your phone with your fingerprint, your retina, or your face.
2. Update Your Software
Updates to your operating system often include critical patches and protections against security threats. Set your phone to update automatically. Otherwise, keep an eye out for updates, and don’t delay in running them. Update your apps, too.
3. Back Up Your Data
Regularly back up the data on your phone to the cloud or your computer. That way, if you lose your phone, you’ll still have access to your personal information.
4. Get Help Finding a Lost Phone
Mobile operating systems have a program that helps you find your phone if you lose it, or lock it or erase it if you think someone stole it. Go to your settings and turn on this feature.
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