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The Galaxy S II was given worldwide release dates starting from May 2011, by more than 140 vendors in some 120

On 9 May 2011, Samsung announced that they had received pre-orders for 3 million Galaxy S II units globally

In some time after the device's release, Samsung also released a Tegra 2 powered Samsung Galaxy R (or 'Galaxy
Z' in Sweden) variant version. The release of the Galaxy R 'GT-I9103' corroborated with early pre-release reports of
an Nvidia powered Galaxy S II smartphone. Eldar Murtazin, of, hinted that Samsung might have
faced delays in meeting worldwide shipment of both its Exynos chip and Super AMOLED Plus screens. He noted that
nobody expected the "huge success" and "sky high" demand for the previous Samsung Galaxy S.

Different regions around the world have received this device to market beginning from the earliest of April 201

The Samsung Galaxy S II (GT-I9100) is a running the Android operating system that was announced byon 13
February 2011 at the Mobile World Congress. It is the successor to the Samsung Galaxy S, with a different
appearance and significantly improved hardware. The phone is also the predecessor of the Samsung Galaxy S
III.The Galaxy S II was one of the slimmest smartphones of the time, mostly 8.49 mm thick, except for two small
bulges which take the maximum thickness of the phone to 9.91 mm. The Galaxy S II has a 1.2 GHz dual-core"
system on a chip (SoC) processor,1 GB of RAM, a 10.8 cm (4.3 in) WVGA Super AMOLED Plus screen display and
an 8 megapixel camera with flash and full 1080p high definition video recording. It is one of the first devices to offer
a Mobile High-definition Link (MHL), which allows up to 1080p uncompressed video output to an MHL enabled TV or
to an MHL to HDMI adapter, while charging the device at the same time. USB On-The-Go (USB OTG) is supported.

The user-replaceable battery on the Galaxy S II gives up to ten hours of heavy usage, or two days of lighter
usage. According to Samsung, the Galaxy S II is capable of providing 9 hours of talk time on 3G and 18.3 hours on

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