How to
- Sending and Receiving Messages *MERGED*
- Sending and Receiving Messages on Thunderbird
- Send instant messages on Firefox Hello
- Send messages
- Send messages on Firefox OS
- Send performance data to Mozilla
- Send performance data to Mozilla to help improve Firefox
- Send performance data to Mozilla to help improve Firefox OS
- Send Tab from another mobile app to Firefox
- Send Tab from Firefox desktop on other devices
- Send Tab from Firefox desktop to mobile
- Send Tab from Firefox desktop to other devices
- Send Tab to Firefox desktop on other devices
- Send Tab to Firefox on other devices
- Send text or multimedia messages from Firefox for Android
- Send usage data from Firefox on mobile devices
- Send usage data on Firefox mobile browsers
- Session Restore
- Session Restore Redirect 1
- Set Adobe Flash to "click to play" on Firefox
- Set a home page in Firefox for iOS
- Set a homepage in Firefox for iOS
- Set a home page on Firefox for Android
- Set alarm clock
- Set alarm clock on Firefox OS
- Set clock alarm on Firefox OS
- Set Date and Time
- Set Date and Time on Firefox OS
- Set email notifications and sync preferences
- Set Firefox as the default browser for iOS
- Set Firefox as your default browser on Lockwise for iOS
- Set Firefox Focus as default browser on Android
- Set Firefox Focus as the default browser for iOS
- Set Firefox for Android to open links in native apps
- Set Firefox Klar as the default browser for iOS
- Set Firefox Klar as your default browser
- Set Firefox Klar as your default browser on Android
- Set Firefox Lite as your default browser
- Set Firefox Rocket as your default browser
- Set how Firefox handles different types of files
- Set Screen Lock
- Set Screen Lock on Firefox OS
- Set SIM PIN on Firefox OS
- Setting network, updates and encryption
- Settings for fonts, languages, and pop-ups
- Settings for fonts, languages, pop-ups, images and JavaScript
- Settings for network, updates and encryption
- Settings for privacy, browsing history and do-not-track
- Settings for web content, pop-ups, fonts, and languages
- Setting the Screen Lock
- Setting Up Certificate Authorities (CAs) in Firefox
- Set up a Goal.com feed on Firefox for Android
- Set up a passcode and Face ID in Firefox for iOS
- Set up a passcode and Touch ID in Firefox
- Set up a passcode and Touch ID in Firefox for iOS
- Set up Certificate Authorities (CAs) in Firefox
- Set up Face ID in Firefox for iOS
- Setup your email account for using End-To-End Encryption
- Set your SIM PIN
- Share a webpage through Firefox Services
- Share a webpage through Firefox Share
- Share bookmarks, tabs and more with your other computers
- Share browser windows or your screen with sites you trust
- Share content from Firefox for Android Beta
- Share content from Firefox Preview
- Share data with Mozilla to help improve Firefox
- Share files using Bluetooth
- Share music, videos and photos
- Share music, videos and photos from the browser
- Share music, videos and photos from the Firefox OS browser
- Share pages with Firefox from other browsers
- Share telemetry data with Mozilla to help improve Firefox
- Share your Android device with a Firefox Guest Session
- Share your Internet connection
- Sharing from Pocket for Android
- Sharing from Pocket for iOS
- Sharing from Pocket on your computer
- Sharing your Firefox OS internet connection over USB
- Shop online with more confidence using Firefox Review Checker
- Signatures
- Signing in using Persona
- Signing out using Persona
- Sign in to a Mozilla account using 3rd-party authentication
- Sign in to Firefox Accounts on Fire TV
- Sign in to Firefox accounts using 3rd-party authentication
- Sign in to Mozilla accounts using 3rd-party authentication
- Sign in to Pocket with your Mozilla account
- Sign in to your Mozilla account on Fire TV
- Sign up for Pocket with your Firefox account
- Sign up for Pocket with your Mozilla account
- Silence incoming phone calls
- Silence incoming smartphone calls
- Site Identity Button
- Site Information panel
- Site Permission Add-ons
- Site Permissions panel
- Sites on the New Tab page
- Slow down Firefox for Android's scroll speed
- Slow down scroll speed
- SmartBlock for Enhanced Tracking Protection