A method includes storing in a mobile communication terminal a definition of a set of frequency bands in which the terminal is capable of communicating, including at least first and second frequency bands. The nickel-iron alloy plating solution of the present invention is characterized in that it comprises divalent iron ions, divalent nickel ions and a hydroxylamine salt and has a pH of 3. A clean and smooth appearance may be formed using a door slid along a curved path and a slim appearance may be formed even in the state in which the door is opened. The shape of the glass sheet is conformed to the select non-flat shape. A controller means controls a light dosage emitted from the light therapy device.