I contact the Google support: they will send me a new one. We will see...
Gesendet von meinem Nexus 4 mit Tapatalk 2
Yes, I have done that. But, still no luck. It's ping-able, so wifi connection is active while screen is off.
Incidentally, while not directly related, does anyone know what the settings "wifi optimization" does in the advanced wifi settings? Could this be related somehow?
What ROM are you running, are you running anything like juice defender or any other battery saving programs? I'd suggest resetting to stock, rooting, modifying the ini and trying again. With an active network connection there should be no reason why your Nexus 4 is delayed. Do you see the same delay when you disable wifi and running on mobile data?
Apparently wifi optimisation changes the DTIM client interval amongst other things, there's not much information on what it does really http://www.anandtech.com/show/6440/g...xus-4-review/4
For those who have it working, could you try something for me? Make sure your wifi icon is blue and turn the screen off. Wait for about 5 minutes. Then, turn on the screen, and stare at the wifi icon. Does it turn gray after about 5 seconds and return to blue a few seconds thereafter? This is what mine does. While the screen is off, wifi is active and connected to the router, as shown by the router. But, when you turn on the screen, the device realizes that there is no working internet connection (icons turn gray) and works to restore it shortly after being unlocked. This clearly must be a bug of some sort.
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