Why does my phone becomes laggy when I connect to a wifi?

Anonydroid_User

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Dec 31, 2015
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When I connect to a wifi connection, it doesn't hang immediately. After 20 seconds, it starts to become laggy and unresponsive, and and then after a while it reboots. It's a big waste since it is a good phone but I can't use the wi-fi. How can I fix it?