IPhone 5S Hong Kong, and Singapore. It was released in 25 additional countries on October 25, 2013, and in 12 countries on November 1, 2013. Indonesia was the last country to receive the iPhone 5S, on January 26, 2014. On September 19, 2014, the iPhone 5S was succeeded as Apple's flagship smartphone by the iPhone 6 and iPhone 6 Plus, but the older model remained available for purchase at a reduced price, while the 64GB version was discontinued. The gold edition of the iPhone 5S was discontinued on September 9, 2015, when Apple revealed the iPhone 6S and iPhone 6S Plus The
IPhone included in the iPhone. Support for 802.1X, an authentication system commonly used by university and corporate Wi-Fi networks, was added in the 2.0 version update. By default, the iPhone will ask to join newly discovered Wi-Fi networks and prompt for the password when required. Alternatively, it can join closed Wi-Fi networks manually. The iPhone will automatically choose the strongest network, connecting to Wi-Fi instead of EDGE when it is available. Similarly, the iPhone 3G and onwards prefer 3G to 2G, and Wi-Fi to either. Wi-Fi, Bluetooth, and 3G (on the iPhone 3G onwards) can all be deactivated individually. Airplane mode