Phone Privacy Settings Checklist for iPhone and Android

Most phone privacy comes down to a few settings: which apps get permissions, whether advertisers get a tracking ID, what shows on the lock screen and what is backed up to the cloud. Work through the checklist below once and then repeat it every few months. The exact menu names differ between iPhone and Android, but the ideas are identical.

1. App permissions

Open the privacy or permissions manager and review each sensitive permission: location, camera, microphone, contacts, photos, calendar, call logs, SMS and nearby devices.

• Remove access for apps that do not need it. A flashlight or wallpaper app has no reason to ask for contacts.
• Choose limited photo access where offered, so apps see only selected pictures.
• Check which apps can use the microphone and camera, and note the indicator dot your phone shows when they are active.
• Remove permissions for apps you have not opened in months, or uninstall them.

2. Advertising and tracking

• Reset or delete your advertising ID, and turn off personalised ads in the system privacy settings.
• Where the phone offers a prompt that lets apps ask to track you across other companies’ apps, choose to ask apps not to track.
• Review ad personalisation in your Google, Apple or other account settings.
• Disable usage and diagnostics sharing if you prefer, and review which analytics options apps give you.

3. Lock screen and device security

• Use a strong passcode of six digits or more, or a passphrase, rather than a short PIN or simple pattern.
• Enable biometric unlock only if you are comfortable with it, and know how to quickly disable it using a lock-down feature if needed.
• Hide notification previews on the lock screen, so messages and codes are not visible to bystanders.
• Turn on automatic locking after a short time.
• Keep the operating system and apps updated, since updates fix privacy and security flaws.

4. Accounts, backups and syncing

• Secure your Apple or Google account with a strong unique password and two-factor authentication.
• Review what is backed up to the cloud, including photos, messages and app data, and decide whether you are comfortable with it. If you use encrypted backup options, enable them.
• Turn off syncing for data you do not want stored online.
• Check the list of devices signed in to your account and remove those you do not recognise.
• Review which third-party apps have access to your account through sign-in with a platform button.

5. Connections and sharing

• Turn off Bluetooth and Wi-Fi scanning when not needed, and avoid auto-joining open networks.
• Review nearby-sharing and file-transfer features and set them to contacts only.
• Disable automatic connection to public hotspots.
• Remove saved Wi-Fi networks you no longer use.
• Be careful with USB connections to unknown chargers or computers; choose the charge-only option when asked.

6. Browser and keyboard

• Set your browser to block third-party cookies and trackers.
• Choose a keyboard from a source you trust, and disable features that send what you type to the cloud, such as personalised suggestions, if you prefer.
• Use a password manager’s autofill instead of the browser for sensitive credentials, if you use one.
• Clear browsing data periodically.

7. If the phone is lost

Enable the device-finding feature, know how to lock or erase the phone remotely and keep a note of how to contact your carrier. Setting a custom message on the lock screen that does not include personal details, such as an email address created for that purpose, helps an honest finder reach you.

Everyday habits that support the settings

Install apps only from the official store, read what permission an app requests at the moment it asks, and deny anything that looks unrelated to its purpose. Avoid connecting to open Wi-Fi without a reason, and restart your phone occasionally so updates complete. Keeping the phone tidy matters as much as the settings.

Selling or handing on a phone

Before you sell, trade in or give away a device, sign out of your accounts, remove it from your device list, back up what you need and then use the factory reset option. Confirm that encryption is on before the reset, since that makes the erased data unreadable. Remove the SIM and any memory card too.

Prioritising when time is short

If you only have ten minutes, do four things: set location to while-using for most apps, remove microphone and contacts access from apps that do not need them, reset the advertising ID and hide lock screen previews. These take little time and address the largest sources of everyday data leakage. Return to the rest of the list when you have more time, working through one section per sitting.

Frequently asked questions

How often should I review phone privacy settings?

Every few months and after major system updates, since updates sometimes add new permissions or reset options.

Are privacy settings the same on iPhone and Android?

The concepts are the same, but the menus differ. Search settings for ‘permissions’, ‘privacy’ and ‘advertising’ to find the equivalent options on your device.

Do app permissions really matter?

Yes. Permissions determine what data an app can collect, and trimming unneeded ones reduces how much information leaves your phone.

Key takeaways

• Review permissions for location, camera, microphone, contacts and photos.
• Reset your advertising ID and limit ad tracking.
• Use a strong passcode and hide lock screen previews.
• Secure your account and review backups, then repeat the checklist regularly.