Select the platform for help installing or updating
- Confirm that Signal is supported by your OS.
Signal Android has a minimum OS requirement of Android 4.0.
- Check your internet connectivity.
For best results, connect to Wi-Fi before downloading.
- Do you have multiple Google accounts linked to your device?
Check that you are signed into the correct Google Account for the app store.
- Do you see an alert of insufficient space on your device?
You will need to free up some memory on the internal storage of your phone. First check to see how much space is available on your phone.
- Open Android phone Settings
- Select Storage.
- If your device has less than 50MB available, you may need to uninstall other apps to clear space.
- Once you have more space available, try downloading Signal again.
- Check if you have enough free memory on your device as listed in the steps above.
- Follow steps on Google's support center for additional information.
- Clear cache for Google Play Services app. Go to Settings > Apps or Application Manager > ALL > Google Play Services > Clear cache > OK
- Check Google's support center for additional information. You can also contact Google Support regarding this.
Apple controls downloads and installs for all iPhone apps. Check Apple's support center for additional information.
- Confirm that Signal is supported by your iOS.
Signal iOS has a minimum iOS requirement of 9.0 and is listed as an iPhone app.
- What if I can not tap the "Install" button or it's grayed out?
Try connecting your phone to your computer and complete syncing your apps via iTunes.
- What if Signal is stuck on "Installing" or "Waiting" on my phone?
It looks like you've ran out of free space on you phone. You will need to free up memory and then you can go to the App Store app and finish or restart your app updates.
- What if the iTunes store asks for a password or payment?
Signal is free to use. This will be happening for any app that you are trying to download and is not unique to Signal. The iTunes store and your settings require you to login to download.
- What if the store page only shows "Open" but I'm not on the latest version?
It sounds like you have signed in to your iPhone with a different Apple ID than what you used when you originally downloaded Signal.
- Go to the App Store app
- Select the Updates tab or click on your avatar
- Look at the apps that are "Not on this iPhone" to confirm if Signal is on your iPhone or not.
- To receive updates on this Apple ID, uninstall Signal then install a new version while logged into the correct Apple ID for this phone. Note: Uninstalling Signal will clear your message history.
- Confirm that Signal is installed on your Android or iOS device.
Signal Desktop must link with either Signal Android or Signal iOS to be available for messaging.
- Confirm that Signal Desktop is supported by your OS.
Signal Desktop has a minimum OS requirement of:
- Windows 64-bit: 7, 8, 8.1 and 10
- MacOS 10.9 and above
- Linux 64-bit distributions supporting APT, like Ubuntu or Debian.
- What if Signal has not updated on my Mac?
If your Mac user is not an admin, you may see an additional prompt limiting you from updating Signal. For non-admin users, search for and open ~/Applications
Then, move Signal to the user specific Application folder.
- What are other steps to install on Linux?
- Confirm you have APT.
- Enter the following three lines into your terminal.
wget --quiet --output-document - https://updates.signal.org/desktop/apt/keys.asc | sudo apt-key add -
echo "deb [arch=amd64] https://updates.signal.org/desktop/apt xenial main" | sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
sudo apt install apt-transport-https && sudo apt update && sudo apt install signal-desktop
- Some users will need to unset /tmp as noexec.