Onscreen keyboard won't go back to letters (even after soft reset)

[akijikan]

I'm not sure when it got stuck, but I've noticed now that my onscreen keyboard won't go back to letters, its stuck on numbers and symbols. When I press the "ABC" button it just flashes and nothing happens.

I've soft-reset and the problem persists. I haven't hard-reset because I'm hesitant to lose all my configuration, I've just got this phone where I like it!

Any suggestions are appreciated!