How do i get wifi on my Iphone6?

So i can get wifi anywhere but my room at home. My friends can get it in my room, my laptop receives wifif as well but not my iphone, is there anyhting i can do?
Added (1). hi so, i cant receive WiFi on my iphone6 in my room. I used to be able to but i cant anymore. I've tried resetting my phone and turning off the router then turning it back on but that hasn't worked. I've even tried resetting my network settings on my phone but still nothing. I can get WiFi anywhere but my room, but my phone is the only thing that cant get WiFi in my room. My friends phone, my laptop and other things can get WiFi in my room but not my phone
Added (2). hi so, i cant receive WiFi on my iphone6 in my room. I used to be able to but i cant anymore. I've tried resetting my phone and turning off the router then turning it back on but that hasn't worked. I've even tried resetting my network settings on my phone but still nothing. I can get WiFi anywhere but my room, but my phone is the only thing that cant get WiFi in my room. My friends phone, my laptop and other things can get WiFi in my room but not my phone

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