Update watchOS 2 for Apple Watch brought the device one useful feature. Now on the screen of a smart watch appeared a separate indicator indicating the device is connected to the Internet via Wi-Fi.
Watch Apple Watch uses the Wi-Fi and Bluetooth for exchanging data with a paired iPhone, and if necessary, modifies the connection type. If your smartphone and watch are in close proximity to each other, using Bluetooth, allowing you to save battery power. When the Bluetooth connection is missing, for example, a user of the Apple Watch went from iPhone more than 10 meters, but is still within range of your wireless network, use Wi-Fi.
Apple Watch can connect to Wi-Fi networks in the following cases: the iPhone connected to the watch via Bluetooth, was connected to any network. Wi-Fi compliant 802.11 b/g/n (2.4 GHz). The gadget does not connect to Wi-Fi (5 GHz) or to public networks, which requires a login, subscription or profile. When the Apple Watch connects to a compatible Wi-Fi network and not the iPhone, in preview the “Settings” icon appears Green cloud.
When switching from Bluetooth to Wi-Fi on the screen of the Apple Watch may display a red icon is crossed with a smartphone, which means that there is no connection.
How a Apple Watch if you will be excommunicated from the iPhone, but will be in range of your Wi-Fi? In this case, the device loses the bulk of its functionality, while still able to solve a number of problems. Including create reminders and calendar events, to make payments Apple Pay, control Apple TV to use Siri to report weather forecasts and the stock price. With the release of watchOS 2 has the API, which allows applications for Apple Watch to connect directly to the Internet without using iPhone.
How to customize the Apple Watch and the iPhone to work on different networks Wi-Fi – 2.4 GHz and 5 GHz, can be found on this link.