This topic contains 0 replies, has 1 voice, and was last updated by Basudev 5 years, 10 months ago.
I have iPhone 3GS ios 4.1. Formerly, it was 5.1. When unlocked, it became 4.1 and I am having problems to download applications that it won’t support them anymore. If I upgrade to 5.1.1, will it be locked again and do I need to re-unlock? Pls help.