phone universal activation sim cardfor iphone3G /3GS /4( IOS4.0 OR 4.1)HOW TO USE1)CHARGE YOUR PHONE2)INSTALL ITUNES ON YOUR COMPUTER3)PUT INSERT ACTIVATION CARD4)CONNECT PHONE WITH THE DATA CABLE5)RUNNING THE ITUNES, WAIT ,ACTIVATED DONEnote:your computer must connect internet Item conditionThis card can nor unlock your phone!We ship bare card only.NO instruction included!