Samsung launched there next phone after Samsung Galaxy S and named it as Samsung galaxy S2 codename i9100.This was a vivid phone with slim body. This phone achieved as the most fatest phone in 2011, this phone was powered by Exynos 4 processor.This phone was a quad core device. This device came with ginger bread OS 2.3
This was Samsung's first 4g LTE phone [only in( Rogers canada and AT& T and t Korea sk telecom only) TD-SCDMA( China) ].This device was brought up with 1gb of RAM and 16 or 32 gb of internal memory, with expandable storage of 128gb. Samsung adapted there super amoled display to this device with 4.3inch.Over 40.2 million units wre sold till jan 2013.