ok ill be using it and in the main menus or w/e the screen will go blank and i don't know how to turn the screen back on if i reinsert the battery it'll work fine and then do it again if i dont do ne th ing

also when i go to do ne thing at all it dont work
the touch screen works say ill tap the messages and itll highlight it so it does work but then it don't go to the messages

is there anything that is going wrong