Ten Apps That Add Functionality to Kindle Fire HD
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Because Kindle Fire HD can connect to the web only through Wi-Fi, with the exception of the model that can use 4G LTE to connect, this handy app is helpful for keeping track of local Wi-Fi connections. You can observe available Wi-Fi channels and the signal strength on each. There are several styles of graph to choose from, including Channel, Time, Channel Rating, and Signal Meter.