Systems and methods for modifying the area code in a wireless communication device are provided that provide authorization from the carrier. The integrated circuits may be tested to determine whether the circuit blocks contain defects. The sensing portion has a tape sheet and the optical fiber shaped into a corrugated form with a predetermined curvature. A nozzle chamber roof is positioned on the nozzle chamber wall so as to define a nozzle chamber that is in fluid communication with the first aperture. The device comprises a plurality of instruction buffers storing an instruction string to be supplied to the instruction execution unit and a designation unit designating an instruction buffer storing the instruction string to be supplied next for each of the plurality of instruction buffers.