T TSM1992 macrumors newbie Original poster Aug 5, 2010 9 0 Dec 4, 2011 #1 I'm have an iPhone 4 on IOS 4.3.3 with baseband 4.10.01. How do I upgrade to IOS 5.0.1 while preserving my baseband? I am planning on unlocking it using gevey sim.
I'm have an iPhone 4 on IOS 4.3.3 with baseband 4.10.01. How do I upgrade to IOS 5.0.1 while preserving my baseband? I am planning on unlocking it using gevey sim.