Maybe it's the router. Make sure it's up to date. Turn it off, leave it for a few minutes, and turn it on again. Also restart the iPhone.
Try resetting your network settings (Settings - General - Reset - Reset Network Settings) and set up your Wi-Fi again.
Check the settings on your router. Here's what's recommended: iOS and OS X Recommended settings for Wi-Fi routers and access points - Apple Support
my wifi connection would connect to my android phone
and on the other hand , my iphone wouldn't
soooo , what's the problem here?
my wifi connection would connect to my android phone
and on the other hand , my iphone wouldn't
soooo , what's the problem here?