The main difference is that the iPhone 4S has Siri who you can talk to and it answers your questions. There are also some minor technical differences. But besides that, they're pretty much the same.
Price. The camera is 3mp on the 3gs and 5mp on the I4 also processor goes for 600mhz to 1ghz. Then the screen has a higher resolution. Last I can think of is battery life is also improved.
If you mean IPhone 4S the difference is that 4S has Siri, which is like a voice assistant on your phone.
Absolutely Not.You can't upgrade an iphone 4 to iphone 4s!This is absolutely impossible!The iPhone 4s is an other created device from Apple wich as the A5 Chip,while iPhone 4 has the A4 Chip!
Soon after the iPhone 4 was released in June 2010, Apple fans began wondering about the iPhone 5. In October 2011 Apple announced and released the next version of the popular smartphone, the iPhone 4S. The main difference between the iPhone 4 and 4S is the addition of Siri, a voice-activated personal assistant. The 4S also boasts a Dual-core A5 chip, as opposed to the iPhone 4's A4 chip. The camera on the 4S has 8 megapixels compared to the 5 megapixel camera in the iPhone 4.
Original Answer by Answerittt Edited by Arianna Lovendino The iPhone 4S has Siri as well as the 5 operating system.
not a 4s but he has a red iphone 4
the iphone 4s stands for 4 speed
the 4 and the 4s are.
The Turtle Webkinz is Faster Than Both the iPhone 4 and iPhone 4S Combined
It is very difficult to answer this, but the main differences between the 5 phones Apple offers is Camera, backing, Siri, and several tweaks and fixes. So far the iPhone 4s overrules al of them.
An iPhone 4 is an iPhone.....
iPhone 4s has a better cam thinner faster siri
4S