iphone 4S no internet 8.3

Unfortunately not. Wifi is not greyed out. Wifi is working. It will connect.....but only to devices on the local subnet.

i Have no explanation because all settings are the same as others devices that work fine.

Fixed it. Still no explanation as to WHY it was a problem but here is the fix in the hope it helps someone else.

As I said Wi-Fi was working but *not* routing to external sites. I reset the iphone network settings and restarted several times and restarted the router. All made no difference. All network settings received from the router via DHCP and looked ok in settings on the iphone.

Of course every time the iphone reset it got the same IP from the router DHCP - just because that's generally how DHCP works - there was not a fixed lease......it just gets the same IP if nothing else has it.

So on a whim I added a FIXED DHCP lease to the router for the iphone on a DIFFERENT IP within the same range. Restarted the phone (which made it pick up the lease) and everything started working.

I have no idea why it wasn't working before because every network setting was exactly the same except the IP number - which is just another number on the same subnet. All I can think of is that there was something *Corrupted* (and invisible) in the DHCP response to the phone - and the router just kept sending the same response over and over each time the phone restarted.

Setting a fixed DHCP lease caused the router to build a 'new, clean' DHCP response - and the phone is happy.

Incidentally my daughter (who's phone it is) thinks I am a genius 🙂 - well for a while anyway.