diff --git a/wlauto/common/android/device.py b/wlauto/common/android/device.py
index 2285cf4d..47158b73 100644
--- a/wlauto/common/android/device.py
+++ b/wlauto/common/android/device.py
@@ -357,13 +357,15 @@ class AndroidDevice(BaseLinuxDevice):  # pylint: disable=W0223
         else:
             return self.install_executable(filepath, with_name)
 
-    def install_apk(self, filepath, timeout=default_timeout, replace=False):  # pylint: disable=W0221
+    def install_apk(self, filepath, timeout=default_timeout, replace=False, allow_downgrade=False):  # pylint: disable=W0221
         self._check_ready()
         ext = os.path.splitext(filepath)[1].lower()
         if ext == '.apk':
             flags = []
             if replace:
                 flags.append('-r')  # Replace existing APK
+            if allow_downgrade:
+                flags.append('-d')  # Install the APK even if a newer version is already installed
             if self.get_sdk_version() >= 23:
                 flags.append('-g')  # Grant all runtime permissions
             self.logger.debug("Replace APK = {}, ADB flags = '{}'".format(replace, ' '.join(flags)))