Apple iPhone 4S: Thoroughly Reviewed →
https://marco.org/2011/10/31/anandtech-iphone-4s-thoroughly-reviewed
Great in-depth review, including lots of low-level hardware geekery and very detailed tests, by Anand Lal Shimpi and Brian Klug.
I’m Marco Arment: a programmer, writer, podcaster, geek, and coffee enthusiast.
https://marco.org/2011/10/31/anandtech-iphone-4s-thoroughly-reviewed
Great in-depth review, including lots of low-level hardware geekery and very detailed tests, by Anand Lal Shimpi and Brian Klug.