The Samsung Focus Flash, the US version of the Samsung Omnia W, went on sale in USA last week.
The handset has now also become available unlocked at UK phone retailers.
Play.com is offering the phone for Â£339.99 (about â‚¬398 or $540) with free delivery included.
BuyMobilePhones.net has the device on pre-order on various pay monthly tariffs from O2, Orange, T-Mobile and Vodafone from as low as free on a Â£25 a month 18 month contract.
It features a 3.7 inch Super AMOLED display, HSPA, Wi-Fi, GPS, 5MP rear camera with 720p video recording, VGA front-facing camera, 512MB of RAM, 1.4 GHz processor, and 8GB of internal memory. See the full specs of the Samsung Omnia W here.
The handset competes with the HTC Radar, which has a slower 1 Ghz processor and 3.8 inch SLCD vs a 3.7 inch Super-AMOLED screen and is equally thin, but slightly bigger. See the full specs of the HTC Radar here.