Samsung Galaxy J7 V / J7 (2nd Gen.) - Auto Switch Between Wi-Fi & Mobile Data Networks
To automatically switch from a weak or unstable Wi-Fi network to the Verizon Wireless cellular network to preserve a consistent data connection, view this info.
When enabled, this advanced setting allows the device to switch from a weak or unstable Wi-Fi network to the Verizon Wireless cellular network to preserve consistent data throughput.
This function is not enabled by default; the device prompts the user to enable the feature the first time they experience poor Wi-Fi connectivity .
When connected to the Verizon Wireless cellular network, data overage charges may apply (depending upon data plan). For data usage info, dial #DATA (#3282) from the device or refer to the My Verizon website.
From a Home screen, swipe up then navigate: Settings > Connections > Wi-Fi.