Why can't my iPhone connect to my router?

I have my iPhone 4S connected to my router but the connection i keep losing it i don't know how… Any help

You need a router with approximately 16 gHz to support Wi-Fi to an i-phone.

4g lte router can help you

Check the WI-Fi settings on your phone. Should be a setting for any open connection. If your home WI-Fi is encrypted you have to input the encryption code into your phone.

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