I can only type letters in the lat. lon. TZ boxes when setting location.
Hello. Sorry for the late reply.
I could only guess that you could have set your cell phone into Text(ABC) mode, or that you could be using MIDP1.0 version, which may be the only choice for you.(Some cell phone only applies to 1.0 version) Because MIDP1.0 forbids NUMERIC types, so one can only use text input. But for the case of my cell phone, type 4 times on Button "1", there should be a "1" input. Use this method to type in numbers.