[Q] Wifi stopped working? P6810 - Galaxy Tab 7.7 General

Hi all!
Started up my 7.7 yesterday and since then i'm not able to use my wifi.
It finds my router just fine and connects but the bars are gray and i don't get any connection to say for example, www.google.com , market etc.
Tried to do a factory reset, didn't work. Also downloaded the firmware and flashed through Odin with no success.
Anyone encountered the same problem? Is there a fix?
*Edit*
Strange. Held Power+Volume up, wiped cache and did a factory reset from the recovery. Now it's working fine.

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There are some times where wifi despite being on it stops working, and only rebooting fixes the problem.
It happens with more than one wifi network.
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Hi i had a similar issue
My phone is :was-lx1 c432b198 now b206
In my case wifi showed on but no networks shown in menu
And no react to turn off button
The device cant restart with standard method
Restart only with long press power button 10sec.
I could not understand what was causing it
After a week a resset the device twise to solve the problem
First resset did't work Because i recover a backup from hisuite and the problem was recovered
But second resset was fresh install from recovery menu wipe data and cache
only contacts was recovered from google account
And now works good no bugs
Sorry for my bad english
Hi,
I just solved the same issue today.
Two solutions
1. Leave wifi always on : setup, wifi, configure, wifi Always on. Drains battery a lot.
2. Reinstall update with full update package. I had the problem after installing the b182 package and solved this way...

Soft reboot Problem when using wifi

Hello every one , i need help.
I habe a weired problem, my s7 edge works fine on every day use .but when i turn the wifi on and connect to a network the phone starts to lag and randomly reboot, but cellular network woks perfectly. i tried factory reset but nothing changed
If anyone experiend this or has any idea to fix this. Please help
Thanks in advance

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