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TLS 1.1 and TLS 1.2 Browser Compatibility

If a browser does not support the newer TLS 1.1 or 1.2 versions, replacing or upgrading the browser with a more recent or supported version is recommended. Click here for more information on TLS.

Below is an overview of the most commonly used desktop or mobile browsers, and their compatibility with TLS 1.1 and TLS 1.2.

 

Microsoft Internet Explorer (IE)

Review the article Enabling TLS 1.1 and TLS 1.2 in Internet Explorer for more details.

Browser Compatibility
Desktop and mobile IE version 11 Compatible with TLS 1.1 or higher by default
If you see the “Stronger security is required” error message, you may need to turn off the TLS 1.0 setting in the Internet Options > Advanced Settings list.
Desktop IE versions 8, 9, and 10 Compatible only when running Windows 7 or newer, but not by default. Review the Enabling TLS 1.1 and TLS 1.2 in Internet Explorer article to enable TLS 1.1 or higher encryption.
Windows Vista, XP and earlier are incompatible and cannot be configured to support TLS 1.1 or TLS 1.2.
Desktop IE versions 7 and below Not compatible with TLS 1.1 or higher encryption.
Mobile IE versions 10 and below Not compatible with TLS 1.1 or higher encryption.
Microsoft Edge Compatible with TLS 1.1 or higher by default.
Browser Compatibility

Mozilla Firefox

Compatible with the most recent version, regardless of operating system.

Browser Compatibility
Firefox 27 and higher Compatible with TLS 1.1 or higher by default.
Firefox 23 to 26 Compatible, but not by default.
Use about:config to enable TLS 1.1 or TLS 1.2 by updating the security.tls.version.max config value to 2 for TLS 1.1 or 3 for TLS 1.2.
Firefox 22 and below Not compatible with TLS 1.1 or higher encryption.

Google Chrome

Compatible with the most recent version, regardless of operating system.

Browser Compatibility
Google Chrome 38 and higher Compatible with TLS 1.1 or higher by default.
Google Chrome 22 to 37 Compatible when running on Windows XP SP3, Vista, or newer (desktop), OS X 10.6 (Snow Leopard) or newer (desktop), or Android 2.3 (Gingerbread) or newer (mobile).
Google Chrome 21 and below Not compatible with TLS 1.1 or higher encryption.

Google Android OS Browser

Browser Compatibility
Android 5.0 (Lollipop) and higher Compatible with TLS 1.1 or higher by default.
Android 4.4 (KitKat) to 4.4.4 May be compatible with TLS 1.1 or higher. Some devices with Android 4.4.x may not support TLS 1.1 or higher.
Android 4.3 (Jelly Bean) and below Not compatible with TLS 1.1 or higher encryption.

Apple Safari

Browser Compatibility
Desktop Safari versions 7 and higher for OS X 10.9 (Mavericks) and higher Compatible with TLS 1.1 or higher by default.
Desktop Safari versions 6 and below for OS X 10.8 (Mountain Lion) and below Not compatible with TLS 1.1 or higher encryption.
Mobile Safari versions 5 and higher for iOS 5 and higher Compatible with TLS 1.1 or higher by default.
Mobile Safari for iOS 4 and below Not compatible with TLS 1.1 or higher encryption.
Updated on May 29, 2019

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