i9506 disconnectung WIFI - Galaxy S 4 Q&A, Help & Troubleshooting

Hello ,
I have two S4 i9506 with last original Samsung fw . I connect it on WIFI router , Mikrokik v6.3 vistual AP 2.4GHz 1 chanell WPS-2, DHCP or fix IP .
All works OK but , for 24hour S4 say internet is not connected, Turn off / on wifi on phone does not work., restart router too not help, will only help, restart phone .
Aplication WIFI fix does not help.
For interest, if phone say internet is not available, ping to internet for example 8.8.8.8 worsk OK,
ping over DNS for exaple ping www.google.com works too, but internet access for example on google play not worsk.
The same problem is on both phones.
Can you help me?
Some idea?

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Wifi Connection issue: DNS not assigned

Hi everybody,
I have the same issue for a long time.
I connect to a wifi connection with DHCP enabled.
My Wifi connection works correctly, DHCP assigns my device an IP address but DNS stays empty in Wifi options.
I succeed connecting to a website if following these steps:
-I manually enter a DNS server IP.
-This stops the wifi connection
-I restart wifi
But then if I stop wifi and start it again, I cannot surf anymore.
I have to manually change DNS again (switch main and secondary DNS IP addresses)
Am I the only one to have the issue, or has someone heard of a solution ?
Any help welcome .
No one has an answer to the same problem I have too ....
No DNS if wifi is connected, on 3G it is all working fine ...
No one tests for DNS problems in cooked roms on this site ...
i would look into the settings of the wifi router to discover why it's not providing a valid dns
as it's normaly does when the wifi is set correctly
That certainly sounds like it could be the issue.
In case anyone is looking for quick and reliable DNS servers, try these 4.2.2.2 and 4.2.2.4. I seem to remember they are AT&T's but please don't quote me on that.

[Q] gpc_hd2_gingerbread_v1.6 Wi-Fi DNS problem

On gpc_hd2_gingerbread_v1.6, with any Wi-Fi connection (home or work) HD2 can't connect any site in any browser. Manual setup network with IP address, Netmask, Gateway - no reaction.
If I typing in address line direct IP of any site, e.g. google (74.125.77.147) - WOW! site is loading.
With 2G connection HD2 has no problem.
Were is bug?
Sorry for my bad english...
wifi
wifi is k...
you don't know to set...
i set my wifi and connect to all the rooters...
change chanell on rooter..chose chanell 11.
have a nice day
Some strange things...
After six months of testing android on hd2 not encountered any problems with the Wi-Fi.
And now, with CWM flashing any other build - no problem, Wi-Fi works perfectly.

[Q] Wifi Connection droppinf ater 3 min (on s4) - TP-Link WR740N

hi, i have galaxy s4. My wifi gets connected to wifi router . I am able to download only for 20-30 sec but after that it stops downloading. Even after the downloading stops i am able to surf websites. It means that my connection is not dropping it is only restricting me download.
I have TP-Link 150Mbps Wireless N Router (TL-WR740N) wifi router.
Please help it is very frustrating
.
Use a static IP in the connection settings on the phone rather than DHCP. If that doesn't work, play around with the settings on the router (channels/etc), and if you're still having problems try updating the router firmware.

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