Signal gets better with every update. Here's how to make sure you can get every one:
Android
What is the latest version of Signal Android?
Check Google Play for the latest version number and a list of updates.
Which version of Signal Android do I have?
Signal Settings 
> Advanced > look under Submit debug log
How do I update Signal Android?
- Automatically
To set up automatic updates for Signal and your other apps: - Open the Google Play Store app
- Select Settings
- Tap Auto-update apps
- Select an option:
- Auto update apps at any time to update apps using either Wi-Fi or mobile data
- Auto-update apps over Wi-Fi only to update apps only when connected to Wi-Fi - Manually
Find the latest version by visiting https://signal.org/install on your phone or going directly to the Signal store page for your Android phone. If a new version is available to you on your phone, you will see the option to update. Select update and open Signal.
Having issues updating Signal Android? Follow these troubleshooting steps.
iOS
What is the latest version of Signal iOS?
Check the App Store for the latest version number and a list of updates.
Which version of Signal iOS do I have?
Signal Settings > About > Version
How do I update Signal iOS?
- Automatically
To set up automatic updates for Signal and your other apps: - From your home screen tap Settings
- Select [your name]
- Select iTunes & App Store
- Enable App Updates
- Manually
Find the latest version by visiting https://signal.org/install on your phone or going directly to the Signal store page. If a new version is available to you on your phone, you will see the option to update. Select update and open Signal.
Having issues updating Signal iOS? Follow these troubleshooting steps.
Desktop
What is the latest version of Signal Desktop?
A list of the latest updates is available on GitHub along with the version number and release notes that highlight new features and functionality.
Which version of Signal Desktop do I have?
To check your Signal Desktop version number, simply follow the steps for your operating system:
- Windows
- Go to Signal Desktop > Help > About
- macOS
- Go to Signal Desktop > About Signal Desktop
- Linux
- Go to Signal Desktop > Help > About
How do I update Signal Desktop?
- Windows
- Signal periodically checks for updates and automatically downloads the latest version. You will see an alert when a new update has been downloaded and is ready to install.
- Select “Restart Signal” from the alert to launch the latest version.
- If you select “Later” from the alert, Signal will wait before prompting you again. - Signal also checks for updates during startup. You can restart the app at any time to see if an update is available and install the new version.
- macOS
- Signal periodically checks for updates and automatically downloads the latest version. You will see an alert when a new update has been downloaded and is ready to install.
- Select “Restart Signal” from the alert to launch the latest version.
- If you select “Later” from the alert, Signal will wait before prompting you again. - Signal also checks for updates during startup. You can restart the app at any time to see if an update is available and to install the new version.
- Linux
- Updates are handled through APT.
- Debian and Ubuntu desktop environments check for new APT packages automatically, and your system will prompt you when updates are available.
- You can also launch the “Software Updater” app to check for new updates.
- Or you can run the following command from a terminal window to update Signal:
sudo apt update && sudo apt install signal-desktop - After the app is updated, simply restart Signal to launch the new version.
Having issues updating Signal Desktop? Follow these troubleshooting steps.