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How to upgrade and unlock your iPhone using blackra1n
Upgrade and unlock the latest iPhone firmware upto 3.1.2 using blackra1n (also called as blacksn0w).
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iPhone OS 3.1.2 released by Apple
Apple has released iPhone firmware 3.1.2 yesterday. The update comes with the following fixes & improvements: Resolves sporadic issue that may cause iPhone to not wake from sleep Resolves intermittent issue that may interrupt cellular network services until restart Fixes bug that could cause occasional crash during video streaming DO NOT upgrade if you are…