I could not connect to youtube on it , nor could i establish a yahoo! email connection. when i took it in, he flashed it at the store and it works fine now. iphone windows vista. However, in order to verify the network access you may also try a different device or you can use a proxy app for iphone to assess whether youtube is blocked or not. if the youtube app still not working, move to the next step.. Under some circumstances, your iphone may not connect to a cellular network. if you see no service or searching on your iphone or ipad (cellular) or can’t connect to a cellular network or are unable to access cellular data, follow these instructions to troubleshoot..
Iphone Youtube No Network Connection