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Similar to Why does HTC Incredible S turn Wi-Fi on by itself?, it seems my Samsung Galaxy Victory will turn on Wi-Fi at random times. It establishes a connection if certain networks are in range (i.e. any open Wi-Fi).

I notice a Wi-Fi setting which allows this phone to keep its Wi-Fi on during sleep, but this is currently disabled.

Is there a way to prevent the device from looking for Wi-Fi networks? If this is specific to Samsung devices, has anyone figured out how to take care of this issue?

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up vote 3 down vote accepted

After some searching, it turns out this feature is provided by the Sprint network (although that doesn't rule out that other carriers/devices may provide similar functionality). The Q&A at points to the Sprint Connection Optimizer, AKA the "Intelligent Mobile Network and Wi-Fi Setting." This setting "will automatically connect you to Wi-Fi networks on your device's remembered list."

This setting can be enabled/disabled by navigating to Settings > More settings > Mobile Networks > Sprint Connections Optimizer.

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