Nokia N90 was a smartphone, announced as part of Nokia's then-new line of multimedia devices, Nseries, on April 27, 2005. It had a unique swivel design encompassing four 'modes'.
LG Prada was the first mobile phone with a capacitive touchscreen.
The Snapdragon QSD8250 was released in December 2007. It included the first 1 GHz processor for mobile phones.
Android Initial Release date was 23rd September 2008.
IPhone 4 was the world's first Smartphone to include a MEMS gyroscope.