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We know that Apple won't give a release date for the iPhone We know that Apple won't give a release date for the iPhone 5 until it is the actual release date or just days away. That is why iPhone stories constantly attract so several rumors.
The iPhone 5 launched September 21, 2012.
The most obvious and most likely date for the iPhone 4G to release would be in July.
Some are saying that IPhone 5 will be released in beginning of October...
iPhone 5 will release on 12th September, 2012; along with iPod touch 5th generation.
September 20, 2013
No official date as of now but, at the keynote, it was said in Summer.
12th of October 2011
iPhone 6 release date is not far away because Apple will release iphone 6 at WWDC 2014 which is going to happern in June 2014.
The Apple iPhone 5 was released to mixed reviews on September 21, 2012. Rumor places the release of the next iPhone, to be called either the iPhone 5S or the iPhone 6, as early as the first half of 2013.
The iPhone OS 3.0 got released on June 17, 2009.
The next iPhone (following the iPhone 5) will most likely be launched October 2013 according to most rumors from several sources.