Apple SIM is a proprietary subscriber identity module produced by Apple Inc. It is included in cellular-enabled versions of its iPad Air 2, iPad Mini 3, iPad Mini 4, iPad Mini 5, and iPad Pro tablets and Apple Watch Series 3 and later series in Apple Retail Stores in Australia, Canada, France, Germany, Hong Kong, India, Italy, Japan, Netherlands, Spain, Sweden, Switzerland, Turkey, the United Kingdom, and the United States. Wikipedia