I wonder whether anyone has any suggestions on how to fix a wifi problem on my Samsung Galaxy S2. It was all working fine up until I took a flight a few months back and after putting my phone in to flight mode for the journey home I noticed that after it was all turned back on my wifi function has stopped working. When I click on the wifi setting it just doesn't toggle on and off. My software is up to date, no newer versions available for my phone. I have searched the internet for suggested solutions and I can see a lot of reports of similar issues but no real solution that has worked for me. Apart from this one thing my phone works fine. I have a work phone which keeps me connected and can run all the apps I want but I would really like my own S2 to be able to connect to the internet again. Any suggestions?