Why won't my iPhone 5S connect to the Wi-Fi?

I'm in Spain for my Easter holidays and staying in our apartment. We have a Telefonica Wi-Fi box which connects well.

Recently I've been trying to connect my iphone 5S to the Wi-Fi box but it doesn't recognise it or give it a small tick that it's connected. I know it's connected as my iPad is working fine.

The mobile network I'm on is EE but in Spain it's 'Orange' . It's really annoying me as I want to go on social networking sites eg facebook or twitter.

Does anyone know what I can do?

Try check Wi-Fi settings in your Phone

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