If you are owning the white iPhone 4, 16GB and you are having problem and need a hardware replacement there is a good news for you that customer needing hardware replacement for white 16GB iPhone 4 will get a free iPhone 4S due to the shortages in the supply of this specific model.
As reported on a famous technology blog and as per other sources, Apple has notified Apple Store Genius Bars that there are many constraints in maintaining the inventory of white iPhone 4 16GB, and until further notice, stores lacking white iPhone 4 16GB replacement units should upgrade customers seeking a hardware replacement to an iPhone 4S.
So you are lucky if you are the one who is eligible for hardware replacement of your iphone 4, I hope you will enjoy the new iPhone 4S with its 8 MP camera and the most wanted app Siri, although the replacement iPhone 4S will be a refurbished white iPhone 4S 16GB.
I am sure that many of you will prefer to report immediately any fault in your white 16GB iPhone 4 if you were delaying due to your activities. This is best time to claim the new iPhone 4S in replacement of iPhone 4 if it is giving any serious error which you believe will leed to replacement of it.
So hurry up!