My iphone5 won't connect to Wi-Fi?

This morning my iPhone connected to Wi-Fi just fine then all the sudden it wouldn't connect! I know it's not the Wi-Fi because other devices work just fine. I've tried it on 4 other networks and it shows in the settings it's connected but it won't show the Wi-Fi symbol in the top corner where it would normally show. Any idea how to fix this As soon as possible?

Android that's all I gotta say.

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