How to Update iPhone 3GS (New Bootrom) From iOS 4.0.1 to 5.1.1 While Preserving Baseband for Unlock?
To update an iPhone 3GS while preserving your baseband, it is highly recommended to use the restore functionality built into RedSn0w rather than using iTunes. This ...
When Apple launched iOS 4, the company took a sort of tiered approach. If you had an iPhone 4, it shipped with the new operating system and all its new features. If you had an iPhone 3GS or third ...
To resolve the activation issue on an iPhone 3GS with the 06.15.00 iPad baseband, you cannot use a standard iTunes restore because the baseband version is higher than what the official firmware ...
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