As you know, that Apple has designed a very competitive appearance for its iPhones. Especially, as far as iPhone 4 and iPhone 4S are considered, both have very stylish designs. The iPhone 4S and iPhone 4 have a glass back, which is called as Gorilla glass, which is strong enough and to keep it protected. However, even when the glass used in these iPhones are very strong, but we cannot avoid that it is a glass which cannot take the place of some hard stuff like metals. This is why, Apple decided to give its further iPhones some more protection and security by using two latest Apple’s app with its own patent that will enable your device to protect itself against damages.
The first method from those two is to use a shock system in your device that will separate the glass from the main body of your iPhone. This method will be able to dampen the effects of the impact. It is also capable of protecting your device from the damages caused by water.
The second method is to use a drop sensor that will trigger the protection defense after detecting a drop. The method indeed uses a retractable glass cover which senses when your device is dropped. Using an actuator, let the device control module, and sensors.
These are the methods which use chemicals and are helpful to make the body of the iPhone much stronger protecting itself from unpredictable damages. When these methods when will be taken into action will definitely some more competitiveness to iPhone 4 and iPhone 4S in the market of smartphones.