Apple CEO Steve Jobs says the iPhone 4 will get a free bumper case for $29. The offer is good on all iPhone 4s bought through Sept. 30. If you already bought one, you’ll get a refund. Apple says it’s not changing the exterior antenna design. The two issues are signal attenuation reduction – and antenna detuning are well known and both lead to a loss of energy and therefore affect the signal. Apple has just released a software update to the iOS software.”]
Source: https://www.csoonline.com/article/2125426/iphone-4-faq–what-exactly-did-apple-do-.html