IPhone 6 won't connect to Wi-Fi?

IPhone 6 won't connect to Wi-Fi?

There's not much information that you've given in order for me to extensively search for a solution, but I have listed 'possible' solutions. If they work great! If not. Get it checked by either an apple store, or by someone who knows what they're doing.
1. Try and reset NETWORK settings, It could possibly be that,
2. Check that your entering the correct password.
3. If you've bought your phone 2nd hand then it could've been a problem from previous owner.
4. If you've bought your phone, It could just be a faulty networking chip, these problems can be fixed by apple, If you have a valid warranty. A replacement will be issued depending on the scenario in their favour.
If you get it repaired by a 3rd party, it could cost lots of money, just be aware.

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