From the 2.50 PS4 system update it is possible to customize the buttons of the DualShock 4 controller, however you like. For example, you can mistake the X key for another key, thus changing the way the controller gives inputs into the menu system, games or applications. Here’s how to create a custom assign key on the PlayStation 4 .
Proceed by entering Settings, accessibility and then Layout keys . Check the box corresponding to Enable custom key layout and select the custom key layout. Make the necessary changes and then select Confirm to save the new layout settings.Note : the Enable custom key layout box returns the controller to default settings.
