When and where: Availability of the iPhone 4S

The iPhone 4S made its debut on Friday:

FRIDAY IN THE U.S.: It’s available at Apple stores and those of partner wireless carriers, AT&T Inc., Sprint Nextel Corp. and Verizon Wireless. It’s also available at some Best Buy, Target and Walmart stores and authorized resellers.

FRIDAY AROUND THE WORLD: Sales also began Friday in Australia, Canada, France, Germany, Japan and the U.K.

COMING SOON: It’s coming to 22 more countries by the end of October: Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Mexico, Netherlands, Norway, Singapore, Slovakia, Slovenia, Spain, Sweden and Switzerland.