NOTE: Enable the above settings only when required. Remember to turn them off when no longer required.
## Apps & notifications
#### Notifications
- Notification history > Use notification history: Off
- Sensitive notifications: Off
#### Advanced
- Permission manager > Review each permission and disable accordingly (choose which apps can have access to camera, microphone, gps, contacts etc. If any app doesn't need something, turn it off.)
## Display
#### Advanced
- Screen timeout: Shortest duration that suits you
- Lock screen > Notifications on lock screen: Show sensitive content only when unlocked
## Privacy
#### Permission manager
- Review each permission and disable accordingly (choose which apps can have access to camera, microphone, gps, contacts etc. If any app doesn't need something, turn it off.)
#### Show passwords
- Off
#### Notifications on lock Screen
- Show sensitive content only when unlocked
#### Autofill service from Google
- Use Autofill with Google: Off
#### Ads
- Reset advertising ID > OK
- Opt out of Ads Personalization: On > OK
#### Usage & diagnostics
- Off
NOTE: Additionally some OEMs might include few more settings for personalized ads & diagnostics.
Search in your phone settings for "User Experience Program", "Personalized ad recommendations", "Send diagnostic data" or something similar.
## Location
- Use location: Off (enable only when needed, like for navigation apps, and turn off when not required)
#### Wi-Fi and Bluetooth scanning
- Wi-Fi scanning: Off
- Bluetooth scanning: Off
#### Advanced
- Google Location Accuracy > Improve Location Accuracy: Off
## Security
#### Screen lock
- Password, PIN or Pattern. Don't set to None or Swipe.
After setting screen lock, tap on gear icon.
- Make pattern visible: Off (only available if Screen lock is set to Pattern)
- Change SIM PIN > Enter old and new SIM PIN > OK (Create a secure new SIM PIN)
NOTE 1: The default PIN code is usually 1234 or 0000. However, if these two don't work, you should look on SIM card's packaging or contact your SIM provider's customer support.
NOTE 2: If you enter the PIN code wrong 3 times, you'll be asked to enter a PUK (Personal Unlock Key) code. This code can be obtained from the carrier, after they verify you are the rightful owner of the SIM. DO NOT try to guess the PUK code. If you enter it wrong 3 times, the SIM will be permanently locked and you might have to get a new SIM from your carrier.
- About phone > tap Build Number 7 times. This will unlock Developer options.
Go to System > Advanced > Developer options > Wi-fi-enhanced MAC randomization: On
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NOTE: Some other settings are same as [Google Account settings](https://github.com/the-weird-aquarian/privacy-settings/blob/main/Privacy%20Settings/Google-Account-Privacy-Settings.md)