Keyboard Freeze


Hi, The keyboard of my Galaxy Ace Plus frequently/daily freezes up midway through writing something. I could be doing a text, google search, messaging, using an app. Out of the blue the keyboard will freeze. After it freezes I sometimes can't type anything, or even more weird can push in the letters but when I press space bar it deletes the word I just wrote. Mostly though it seems to lock the phone and the only reaction is the phone vibration sporadically but nothing on the display. Also sometimes if I try to close down the message the keyboard lingers and the keyboard won't disappear. Usually the result is a reboot, but if I have to do this several times it becomes very frustrating. The phone is up to date. Any advice?