Apple is on track for its one of the largest iPhone roll out ever. It’s already available in over 35 countries officially and Apple is gearing up to launch the iPhone 4S in 21 other countries tomorrow. On January 13, the iPhone 4S will become available in: Anguilla, Antigua and Barbuda, Bolivia, Botswana, British Virgin Islands, Cameroon, Cayman Islands, Central African Republic, China, Dominica, Dominican Republic, Ecuador, Grenada, Guam, Guinea Conakry, Ivory Coast, Jamaica, Kenya, Madagascar, Mali, Mauritius, Niger, Senegal, St. Vincent and The Grenadines, Trinidad and Tobago, Turks and Caicos and Uganda.