My iPhone 6S volume isn't working

I have IOS 11.0.03. I had to reset my network settings because my phone wasn't connecting to the Wi-Fi. After that I can't change the volume with the toggle when you swipe up. I have to change it by using the volume buttons. Also when I have my ringtone on, it doesn't show how loud it is. It's just blank. I don't know what to do.

Again reset your device

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