[Q] Wifi disconnected due to "Sign-in to WiFi Network" problem - Android General

Hi guys,
I have a Samsung Note 2, and it keeps dropping WiFi constantly, and notifies me every time with a notification "Sign into WiFi network" (I don't have to sign into my WiFi network), after 5mins it disconnects by itself with this message"Your Device has been disconnected from this network, your session has timed out". It start to happen like this since yesterday, i didn't change or update anything on my phone. I looked at some Solution on here, but problem is i can't Modify network config( i live in student accommodation) and i don't have access to router. My other phone Sony xperia had the same problem at the beginning, but i press Sign in and google chrome start downloading a file (generate_204.bin) for me then the problem is solved. However, when i press sign in on my Note2, it redirect me to a weird page, and after 5mins it disconnected again
Please help

auto disconnect from wifi
http://forum.xda-developers.com/and.../howto-wifi-drop-caused-sign-to-wifi-t2862509
This thread worked for me, had the same problem on my galaxy s5 on my work wifi..

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hey guys
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