helloo dear sirs, long story short i am facing a problem with an i phone 4 ios 7.1.1 , it was locked to at&t network usa, i contacted at&t and unlocked it..... after following instructions and connected it to itunes i got this " Activate iPhone This iPhone is currently linked to an Apple ID (r●●●●●@o●●●●●.com). Sign in with the Apple ID that was used to set up this iPhone." apple id UnKnown ... apple previous owner unknown .... my eyes poped out i've spent about 20 hours researching for the best solution what would you recommend !!! i dont want to risk it and update to ios 7.1.2... NOW WHAT ????