Wi-Fi is a wireless connection that uses radio frequency signals to connect your devices instead of wires. Meaning you can take your Galaxy into various rooms in your house—even if the router isn’t in that room—and still have internet access. It can also be faster than a data connection and is especially useful if you don’t have an unlimited data plan. Galaxy S9, Galaxy S9+, and Galaxy Note9 support Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz), VHT80 MU-MIMO, and 1024QAM wireless networking. When connected to Wi-Fi, apps and features on your Galaxy phone that need an internet connection can be used with ease, such as Live Translation and Bixby Vision. Galaxy S9, Galaxy S9+, and Galaxy Note9 have strong network capabilities to be able to connect to a diverse range of routers with a quick and stable connection.
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*Wi-Fi speed may vary due to surroundings and network capabilities.