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Why is it taking so long to connect to Wi-Fi?
The potential reason, according to the paper, is that the response packets from the wireless network aren’t heard by the phone, which forces the entire process to restart from the top. In a particularly noisy environment, that can cycle multiple times, lengthening the connection time greatly.
How long does it take to connect to a Wi-Fi network?
First off, the process of connecting to Wi-Fi is as crappy as you think it is. As many as 45 percent of connections result in failures, while 15 percent require setup times of longer than five seconds. Five percent of connections will take more than 10 seconds.
Slow WiFi is most often caused by interference from other WiFi networks and old devices in the vicinity. Solid metal objects or concrete walls also block WiFi radio waves pretty hard, making for an even weaker signal. Fixing this is as simple as repositioning your router and changing the channel.