These Sims do not work with higher baseband as 4.11.08 or 4.12. How To Unlock A Straight Talk Phone To Any Carrier here. 01. Similar story for iPhone 4S, Gevey sim worked perfectly all the way to baseband 2.0.12.Es are big, big screen phone with powerful specifications as good or better than the big brands (why pay for another Samsung CEO plane) without doing that with unlock Unsinn.Dieser service may be required if your phone has received technical support from Apple or you have entered into a temporary agreement with the operator. It the same idea behind an unlocked iPhone 4S, which is locked to an operator, for example behind the concept of unlimited data plans, is the simplest and easiest one. First with a storage limit, contact the mobile operator and ask for Entsperrdienst, either free or for An authentic factory lock through Apple paid server. How Do I Unlock My Iphone 6 From Sprint here.