Tech How-To & Guides
Most smartphone security advice tries to turn you into an IT administrator. You don’t need that. A handful of settings, done once, cover the overwhelming majority of real-world risk. Here’s the actual short list.
1. Turn on automatic updates
Security patches fix specific, known vulnerabilities — the longer you wait to install them, the longer those known holes stay open on your device. In your phone’s settings, find the software update section and make sure automatic updates are enabled rather than left to manual checks you might forget.
2. Use a real lock screen method
A six-digit passcode or biometric unlock (fingerprint or face) is far stronger than a four-digit PIN or, worse, no lock at all. If your phone offers the option, choose an alphanumeric passcode for the strongest protection, though a six-digit PIN is a reasonable, more convenient middle ground for most people.
3. Turn on two-factor authentication for your accounts
Your phone’s lock screen protects the device itself, but your email, banking, and social accounts need their own layer of protection. Two-factor authentication — a code sent to your phone or generated by an authenticator app — means a stolen password alone isn’t enough to break in. Prioritize this for your email account first, since it’s often the recovery method for everything else.
4. Review app permissions
Go into your settings and check which apps have access to your location, microphone, camera, and contacts. It’s common to find apps with permissions they don’t actually need for their core function. Revoke anything that looks unnecessary — you can always grant it back if a feature stops working and you determine it’s genuinely needed.
5. Set up “find my device”
Both major mobile platforms offer a built-in feature to locate, lock, or remotely erase a lost or stolen phone. Confirm it’s enabled before you need it — it’s not something you can turn on after the phone is already gone.
Worth doing, lower priority
- Review which apps can send notifications to your lock screen, since sensitive information can appear there even when the phone is locked.
- Check your app store account for a list of installed apps and remove anything you no longer use or recognize.
- If you use public Wi-Fi frequently, consider a reputable VPN for an added layer of protection on untrusted networks.
The bottom line
None of this requires special technical knowledge, and all five core steps together take well under twenty minutes. That’s a reasonable trade for meaningfully reducing your real-world exposure to the most common ways phones actually get compromised.