The fabrication method comprises a step of exposing at least one organic diode to a gas, before packaging of the device, to form a plurality of randomly distributed black spots by impairment. The removable storage bins may be placed on a shelf when full and replace with an empty removable storage bin, segregating toys by lot and kind. Each memory cell group includes a read section and a write section. If the attempt is successful, the wireless device receives an update to the preferred network,RAT combination list and updates the preferred network,RAT combination list stored at the wireless device. The keyboard body, the connecting member, and the power supply are held together inside a housing.