How can I lock the keyboard on my Motorola Q smart phone? There are several ways to lock the keyboard on the Motorola Q smartphone. The first way to lock your keyboard is to: * Press and hold the Home button * Use the 5 way navigator to select "C", Key Lock The other option is easier and quicker method of locking the keyboard. * Press the Home button quickly followed by the 'Space' bar. Both methods will enable Key Lock on your Motorola Q, but the second version is the easiest and quickest way of enabling this feature on your phone.