I have never found a solution for this either. The next time I try and turn wifi on and it won't work, I will try your procedure.

Thanks for posting it.

 

Im not satisfied with that kind of solution U_U Samsung could give us a premanent solution to this issue... turning off and on the phoen, or switching to flight mode is not an appropiate solution U_U

Same problem, I bought my Samsung galaxy ace 3 days ago and it happends to me twice! Im very frustrated. A new phone that has problems from the very begining? Samsung must be kidding.... If I wont bought anymore a samsung phone, and Im gonna tell my friends about this miserable moment... Its very disgusting.

Hope to find a bugfix wickly

 

I wouldn't hold my breath. Although we shouldn't have this issue in the first place, using the airplane mode trick that xfafax posted did get me connected to wifi faster than turning the phone off and back on. So I appreciate him (or her) for posting it.

 

Samsung has issues with Quality Control for sure. When I upgraded to the Epic 4G on Aug 12, 2011 for over 30 days I have had nothing but problems with this phone. Wifi was never an issue so I consider myself fortunate in that area but I have had many other problems with this phone. Little by little I have played around with the phone and found ways to make it more stable but it's still not where I'd like it to be. Sprint's tech support was worthless because their answers was always reboot or hard reset the phone and I got tired of it and did the legwork and research on my own. So now my phone is 70% stable from how it used to be 30% stable.

Glad to see a better solution to Wifi rather than reboot if I ever run into that problem. The biggest irritation I have is that anytime I do a reboot I have to constantly reboot again until my SD card shows all my files on the phone. There isn't anything wrong with the SD card. It shows up when I check under settings and if I use a file manager I can see all the files, it just won't put the apps on the phone so that I can use it. Even tech support admitted there is an issue with the Epic 4G and reading SD cards.