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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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Do not upgrade your unlocked iPhone to 3.1.2
Although it’s been in news the whole day, do NOT upgrade your iPhone to 3.1.2 if it’s unlocked and you want it to stay that way. It’s clear from the warning below that the release by GeoHot called Blackra1n will only jailbreak your iPhone on OS 3.1.2. WARNING: Even though the GeoHot jailbreak supports 3.1.2…
