I got the above message from hangout/google play, 1) I verified the user name and password, they are correct and I can login from a PC. 2) I did factory reset and erase all data, I still can't sign in 3) I didn't do any update, it's a new phone, If I sign directly from google main page, it says "Webpage not available, and gives me the details of this page. if I copy this webpage to a PC, I can see this page asks me to entry again my password. I can login after I type my password, but this is on my PC, it doesn't show this page on my phone Please let me know what I should do.