How To Protect Your Smartphone and Data

Your smartphone holds an enormous amount of personal information - photos, contacts, passwords, banking apps, emails and more. Losing your device or falling victim to a cyber attack can be stressful and costly, which is why protecting your smartphone and your data is more important than ever.

Here’s a simple guide to keeping your phone secure and your information safe.

If you’re also looking to manage usage better, take a look at our screen time monitoring guide.

1. Use a Strong Screen Lock

A lock screen is your first line of defence. Always set up one of the following:

• Face ID or biometric unlocking
• Fingerprint recognition
• 6-digit passcode (avoid 000000, 123456 or birth years)

Never leave your device fully unlocked - even a few minutes of access is enough for data theft.

2. Turn On Find My Device

Both Apple and Android offer built-in tracking tools that allow you to locate, lock or wipe your phone if it’s lost or stolen.

• iPhone: Settings → Apple ID → Find My → Find My iPhone
• Android: Settings → Security → Find My Device

These tools can save your personal data even if you can’t get the device back.

3. Keep Your Phone Updated

Software updates don’t just add features - they fix security vulnerabilities. Hackers often target outdated operating systems, so keeping your phone up to date is essential.

• Enable automatic updates for iOS or Android
• Update your apps regularly to close security gaps

You’d be surprised how often a simple update prevents major issues.

4. Avoid Public Wi-Fi Without Protection

Public Wi-Fi networks - like those in cafés, airports and hotels - can be risky. Cyber attackers often exploit these networks to intercept your data.

To stay safe:

• Avoid logging into banking or shopping accounts on public Wi-Fi
• Use your mobile data instead when possible
• Consider a trusted VPN if you connect regularly

5. Be Cautious With App Permissions

Many apps request far more access than they need. Always check permissions before accepting.

Review permissions for:

• Camera
• Microphone
• Location
• Contacts
• Files & photos

If an app doesn’t need certain access, disable it.

6. Use Secure Passwords & Enable Two-Factor Authentication

Never reuse the same password across multiple accounts. If one service is compromised, all linked accounts are at risk.

Set strong, unique passwords and enable Two-Factor Authentication (2FA) wherever possible - especially for:

• Email accounts
• Banking apps
• Apple ID / Google Account
• Social media

7. Protect Against Malware

While malware is less common on smartphones today, it still exists - especially on Android devices downloaded from unofficial sources.

Stay safe by:

• Downloading apps only from the App Store or Google Play
• Avoiding suspicious links and pop-ups
• Not installing third-party “cleaner” or “booster” apps

8. Don’t Ignore Physical Protection

Security isn’t only digital - physical damage can lead to data loss too.

• Use a durable case and screen protector
• Keep your phone out of extreme heat or cold
• Avoid charging in unstable sockets or cheap cables

Winter conditions? Check out our guide on protecting tech in cold weather.

9. Back Up Your Data Regularly

If your phone is lost, stolen or damaged, backups ensure you don’t lose your photos, messages, contacts or files.

• iPhone: iCloud Backup or iTunes
• Android: Google Backup or manufacturer cloud services

Backing up once a week is ideal for most users.

10. Consider Upgrading If Your Phone Is Struggling

If your phone is slow, overheating or no longer receiving updates, it may be more vulnerable to security threats. Older devices often lack the latest protections.

If your current device is outdated or no longer receiving security updates, it may be time to upgrade. You can browse all our fully tested, refurbished phones directly on the Envirofone shop and find a secure device that suits your needs.