Mobile devices such as smartphones, tablets, laptop computers, wearables, head mounted displays, etc. have the capability to access a wireless local area network as well as a cellular data network. Users often turn off the wireless local network access capability, e.g., by turning Wi-Fi off. Turning off such Wi-Fi capability has benefits such as avoiding automatic connections to slow, unreliable or potentially malicious networks, conserving battery, etc. In some instances, users do not remember to turn Wi-Fi back on, which leads to the device utilizing the cellular data network and potentially higher bills, because of charges for cellular data usage. This disclosure describes techniques that help prevent unintentional overuse of cellular data by automatically re-enabling Wi-Fi in the presence of saved networks.
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Zheng, Alex; Sonntag, Christian; Charlton, Evan; Williams, Tyler; LaPenna, Joseph; and Shaikh, Amin, "Automatic wireless activation in the presence of saved networks", Technical Disclosure Commons, (March 17, 2017)