Use a strong passcode, not a simple PIN or pattern
Enable biometric lock only as a convenience, not as your only protection
Turn on automatic screen lock with a short timeout
Keep your phone’s operating system updated
Update all apps regularly
Install apps only from official app stores
Remove apps you do not use
Review app permissions and disable unnecessary access
Disable Bluetooth, Wi-Fi, and NFC when not in use
Use a trusted VPN on public Wi-Fi
Avoid public Wi-Fi for sensitive activity
Turn on two-factor authentication for important accounts
Use a password manager for unique strong passwords
Never share verification codes or login details
Check for unknown device logins on your accounts
Enable Find My iPhone or Find My Device
Turn on remote lock and remote wipe
Back up your phone regularly
Avoid clicking suspicious links in texts, emails, and messages
Do not install unknown profiles, certificates, or APK files
Turn on app security features like Play Protect or iPhone security settings
Review account recovery options and keep them current
Use carrier account PINs to prevent SIM swapping
Set your SIM PIN if available
Watch for signs of compromise such as battery drain, overheating, or strange pop-ups
Factory reset the phone if you suspect a serious compromise
Change important passwords from a secure device if your phone is compromised