Hi im from Dominican Republic and i bought this iphone 3g with version 2.2 baseband 02.28.0 bootloader 5.09 its legally unlocked by Claro communications company here in DR, I want to know if i can update this iphone to any version i restored it to 2.2 again to reset everything and i didnt even had to unlock with yellownsow and i want to know if i can update this iphone to any version and it still will be unlocked?
Thanks in Advance.

