diff --git a/python/src/trezorlib/cli/settings.py b/python/src/trezorlib/cli/settings.py
index 88319c7f6..4f9b90fb5 100644
--- a/python/src/trezorlib/cli/settings.py
+++ b/python/src/trezorlib/cli/settings.py
@@ -210,6 +210,17 @@ def safety_checks(client, always, level):
     return device.apply_settings(client, safety_checks=level)
 
 
+@cli.command()
+@click.argument("enable", type=ChoiceType({"on": True, "off": False}))
+@with_client
+def experimental_features(client, enable):
+    """Enable or disable experimental message types.
+
+    This is a developer feature. Use with caution.
+    """
+    return device.apply_settings(client, experimental_features=enable)
+
+
 #
 # passphrase operations
 #
diff --git a/python/src/trezorlib/device.py b/python/src/trezorlib/device.py
index 60a1335b3..2179cd19b 100644
--- a/python/src/trezorlib/device.py
+++ b/python/src/trezorlib/device.py
@@ -36,6 +36,7 @@ def apply_settings(
     auto_lock_delay_ms=None,
     display_rotation=None,
     safety_checks=None,
+    experimental_features=None,
 ):
     settings = messages.ApplySettings(
         label=label,
@@ -46,6 +47,7 @@ def apply_settings(
         auto_lock_delay_ms=auto_lock_delay_ms,
         display_rotation=display_rotation,
         safety_checks=safety_checks,
+        experimental_features=experimental_features,
     )
 
     out = client.call(settings)