You may remember the Samsung Galaxy Premier that was announced back in October last month. The phone has a 4.65-inch, HD Super AMOLED display, 1.5GHz dual-core processor, 8 megapixel camera and Android Jelly Bean, and is essentially a variation of Google's Galaxy Nexus, also manufactured by Samsung.

The phone has now gone on sale in Taiwan, where it is being sold in a new color called Titanium Gray, as seen above. The phone is now available for purchase for 15,900 Taiwanese Dollars, which is approximately US$549. The phone is expected to go on sale shortly in other Asian markets.
You can get some details hands-on pictures and videos and some benchmark scores in the link below.
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