Android - I am blocked by an "External storage" pop up

If you can't access the game because of an "External Storage" pop up, do the following:

1. On your device, open the main Settings app.


2. Touch Apps or Application Manager (depending on your device, this may look different).


3. Touch the Knightfall Rivals > App permissions.


4. Select permission.


5. To turn that permission on for Knightfall Rivals, move the switch to the right until it turns green.