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Samsung Galaxy S II
File:Samsung Galaxy S2.png
Samsung Galaxy S II (GT-I9100)
ManufacturerSamsung Electronics
TypeTouchscreen smartphone
PredecessorSamsung Galaxy S
RelatedSamsung Infuse 4G Samsung Galaxy Note
Compatible networksDual band CDMA2000/EV-DO Rev. A 800 and 1,900 MHz;
WiMAX 2.5 to 2.7 GHz;
802.16e 2.5G (GSM/GPRS/EDGE): 850, 900, 1800, and 1900 MHz
UMTS: 850, 900, 1700 (T-Mobile USA only), 1900, and 2100 MHz
HSPA+: 21/42 Mbit/s; HSUPA: 5.76 Mbit/s
Dimensions125.3 mm (4.93 in) H
66.1 mm (2.60 in) W
8.49 mm (0.334 in) D
Weight116 g (4.1 oz)
Operating systemAndroid 2.3.4 (Gingerbread) with TouchWiz UI 4.0
CPU1.2 GHz dual-core ARM Cortex-A9[1] SoC processor; Samsung Exynos (GT-I9100)
GPUARM Mali-400 MP (GT-I9100)[2][3]
Memory1 GB RAM
Storage16 GB/32 GB flash memory
Removable storagemicroSD (up to 32 GB)
BatteryLi-ion 1650 mAh
Rear camera8 Mpx Back-illuminated sensor with auto focus, 1080p 30 fps Full HD video recording, and stills. Single LED flash.
Front camera2 Mpx for video chatting, video recording (VGA), and stills
Display800×480 px, 10.8 cm (4.27 in) at 218 ppi WVGA Super AMOLED Plus (0.37 megapixels)
Connectivity3.5 mm TRRS; Wi-Fi (802.11a/b/g/n); Wi-Fi Direct; Bluetooth 3.0; Micro USB 2.0; Near field communication (NFC); DLNA; MHL; HDMI; USB Host (OTG) 2.0
Data inputsMulti-touch touch screen, headset controls, proximity and ambient light sensors, 3-axis gyroscope, magnetometer, accelerometer, aGPS, and stereo FM-radio[4]
OtherExchange ActiveSync, integrated messaging Social Hub, Readers Hub, Music Hub, and Game Hub

The Samsung Galaxy S II (GT-I9100) is the successor to the Samsung Galaxy S Android smartphone, announced by Samsung on February 13, 2011 at the Mobile World Congress,[5] the thinnest dual-core smartphones at 8.49mm thick.[6][7]

The Galaxy S II has a 1.2 GHz dual-core "Exynos" system on a chip (SoC) processor,[8] 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),[9] which allows up to 1080p uncompressed video output with HDMI while charging the device at the same time. USB On-The-Go (USB OTG) is supported.[10][11]

The phone has a removable battery, allowing a charged spare to be carried, unlike some other smartphones. It is reported that battery life if used heavily is about 10 hours with the optional enhanced 1650mAh battery. The battery lasts about two days with lighter use[12].

Launch

The Galaxy S II was given worldwide release dates starting from May 2011, by more than 140 vendors in some 120 countries.[13]

On May 9, 2011, Samsung announced that they had received pre-orders for 3 million Galaxy S II units globally.[14]

Most regions have received or are still scheduled to receive the Galaxy S II 'GT-I9100' model. Samsung have also announced the release of a Tegra 2 SoC powered 'GT-I9103' version in the name of the Samsung Galaxy R (or 'Galaxy Z' in Sweden). The variant release of the Galaxy R 'GT-I9103' seems to corroborate the previous news of an Nvidia Tegra 2 powered Galaxy S II smartphone.[15][16] According to Eldar Murtazin, of Mobile-Review.com, this is believed to be because Samsung is not able to meet worldwide shipment demands of both its own 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.[17]

In India, customers were able to pre-order the Galaxy S II online from May 26, 2011. The phone was scheduled to be available at retail stores from June 9, 2011. Samsung has partnered with Vodafone to launch its phone at a cost of ₹32,850. Vodafone customers buying the device will also avail 1GB of free 3G data for the first six months.[18] The Exynos powered version sold in India currently has no NFC feature. As of September 2011, the Galaxy S II is priced at ₹29,199 (HomeShop18).

In Singapore, the Galaxy S II 'GT-I9100' was officially launched on June 24, 2011.

In Brazil, the Galaxy S II 'GT-I9100' was officially launched on June 28, 2011.

In Iraq the Galaxy S II 'GT-I9100', was released in Baghdad on July 18, 2011, by Jibal Company.[citation needed]

In Pakistan the Galaxy S II 'GT-I9100' was launched officially on 23 July 2011.[19]

In North America, Canada has been first to receive this device, from launch, at the end of July 2011 on Bell Mobility.[20][21] There are also planned releases in Canada for Virgin Mobile and SaskTel.[22] On July 20, 2011, Samsung's divisional chief, Shin Jong-kyun, announced that a release for the United States is to be expected "sometime in August" for 2011.[23] For the U.S. release, multiple variant names prescribed by each mobile carrier were reported. The version released by Sprint on Sept.16, 2011 is called the Samsung 'EPIC 4G Touch' and on AT&T and T-Mobile USA it will be simply called 'Galaxy S II'.[24] Verizon will not have the Samsung Galaxy S II on their future lineup and instead will offer customers another phone, the Droid Charge.[25] The Telus variation in Canada, the Samsung Galaxy S II X was announced on September 15, 2011.[citation needed]

In Uganda it was released in September 2011.[citation needed]

Hardware

Processor

The Galaxy S II has a 1.2 GHz dual core ARM Cortex-A9 processor running Samsung's Exynos 4210 System on a chip (Soc), previously code-named "Orion".

Samsung's Exynos 4210 SoC was the source of much speculation concerning another branded successor to the previous "Hummingbird" single-core SoC of the Samsung Galaxy S. The Exynos 4210 uses ARM's Mali-400 MP GPU.[2][26] This graphics GPU, supplied by ARM, is a move away from the PowerVR GPU of the Samsung Galaxy S.[27]

The Exynos 4210 supports ARM's SIMD engine (also known as Media Processing Engine, or 'NEON' instructions), and may give a significant performance advantage in critical performance situations such as accelerated decoding for many multimedia codecs and formats (e.g., On2's VP6/7/8 or Real formats).[28][29][30]

At the 2011 Game Developers Conference ARM's representatives demonstrated 60 Hz framerate playback in stereoscopic 3D running on the same Mali-400 MP and Exynos SoC. They said that an increased framerate of 70 Hz would be possible through the use of an HDMI 1.4 port.[26]

Memory

The Galaxy S II has 1 GB of dedicated RAM (in either LPDDR or possibly DDR2/DDR3 by Samsung) and 16 GB of internal mass storage. Within the battery compartment there is an external microSD card slot that can support up to 32 GB of additional storage.[11][31][32]

Display

The Samsung Galaxy S II uses a 108.5-millimetre (4.27 in)[11] WVGA Super AMOLED Plus capacitive touchscreen which is covered by Gorilla Glass with a oleophobic fingerprint-resistant coating. Some phones have display issues, with a few users reporting a "yellow tint" on the left bottom edge of the display when a neutral grey background is displayed.[33]

Audio

The Galaxy S II uses Yamaha audio hardware.[34] The Galaxy S II's predecessor, the original Galaxy S, used Wolfson's WM8994 DAC.[35] Some reviewers and online forum users of both phones have said that the Wolfson chip has better sound than the Yamaha.[34]

Camera

On the back of the device is an 8-megapixel Back-illuminated sensor[36] camera with single-LED flash that can record videos in full high-definition 1080p at 30 frames per second. There is also a fixed focus front-facing 2-megapixel camera for video calling, taking photos as well as general video recording, with a maximum resolution of VGA (640 X 480).

Connectivity

The Galaxy S II is one of the earliest Android devices to natively support near field communication (NFC).[37] This follows on from the Google Nexus S which was the first de-facto NFC smartphone device.[38] It has been reported that the UK version will be supplied without an NFC chip at the beginning of its production run[39], with an NFC-equipped version released later in 2011.[40]

Samsung has also included a new high-definition connection technology called Mobile High-definition Link (MHL), noted as being "connection agnostic" in that it can use virtually any interface connection, such as HDMI or USB, for sending high-definition uncompressed 1080p video and audio from a mobile device. The main specialty of MHL is that it is optimized for mobile devices by allowing the device's battery to be charged while at the same time playing back multimedia content. For the Galaxy S II, the standard Micro USB port found on the bottom of the device can be used with an MHL connector for an HDMI connection to an external display such as a high definition television.[41] The mobile device can then draw power from the external display but can only do this for MHL-supported displays. Currently there are no MHL-supported televisions available on the market but this is expected to change by Q4 2011. On the side of the MHL connector is also standard charger input to still supplement battery charging of the device while outputting video.[9][42]

The micro USB port supports USB On-The-Go (USB OTG) standard which means the Galaxy S II can act as a 'host' device in the same way as a desktop computer in allowing external USB devices to be plugged in and used.[10] These external USB devices typically include USB flash drives and separately powered external hard drives. A video demonstration on YouTube[43] has shown the OTG function to be readily available with an ordinary Micro USB (B-type) OTG adaptor. The same YouTube video goes onto mention a successful test completed on a 2 TB USB external hard drive (requiring own power source) but however reports of failure when trying to connecting USB keyboards, tested USB mice and tested USB game pads. Currently the only file-system supported for USB drives within OTG is Fat32.

A standard 3.5 mm TRS headphone jack is available and is located on the top-side of the device. The Micro USB connection port is located on the bottom-side of the device.

BCM4330 combo chip integrates 802.11n Wi-Fi, Bluetooth 3.0 + HS and FM radio. BCM4330 supports Wi-Fi Direct that communicate directly with one another without having to interact with an access point.[44]

Accessories (optional)

Software

Android 2.3

The Galaxy S II ships with Android 2.3.3 (Gingerbread) installed.

Samsung Galaxy S II US variants will ship with Android 2.3.4 (Gingerbread) installed.[45][46]

User interface

The phone employs the latest proprietary Samsung TouchWiz 4.0 user interface. It follows the same principle as TouchWiz 3.0 found on the previous Galaxy but adds new improvements, such as hardware acceleration. It also has a new optional gesture based interaction called 'motion' which (among other things) allows users to zoom in and out by placing two fingers on the screen and tilting the device towards and away from you to zoom in and out respectively. This gesture functions works on both the web browser and the images in gallery. This is testament to the Gyroscope and accelerometer[47] used within this device. There have been improvements to the widgets drawer and layout in how many widgets can be added and how they are presented. Additionally there is another new optional gesture-based control called 'panning' on TouchWiz 4.0 for the movement of widgets and icons shortcuts between screens, by allowing the device to be held and moved from side to side to scroll through home screens. This gesture-based management of widgets is a new optional method next to the existing method of holding and swiping between home screens.[48]

Bundled applications

Four new Samsung 'Hub' applications were revealed at the 2011 Mobile World Congress:

Social Hub
Which integrates popular social networking services like Facebook and Twitter into one place rather than in separate applications.
Readers Hub
This hub provides the ability to access, read and download online newspapers, ebooks and magazines from a worldwide selection.
Music Hub
An application store for downloading and purchasing music tracks on the device. Samsung has teamed up with 7digital to offer this service.[49]
Game Hub
An application store for downloading and purchasing games. Samsung has teamed up with partners including Gameloft to offer this service.[49]
Other applications
More applications include Kies 2.0, Kies Air,[50] AllShare (for DLNA), Voice Recognition, Google Voice Translation,[51] Google Maps with Latitude, Places, Navigation (beta) and Lost Phone Management, Adobe Flash 10.2, QuickOffice application and 'QuickType' by SWYPE.

Before launch, it was announced that Samsung had taken steps to incorporate Enterprise software for business users, which included On Device Encryption, Cisco’s AnyConnect VPN, MDM (Mobile Device Management), Cisco WebEx, Juniper,[37] and secure remote device management from Sybase.[52]

Cisco’s AnyConnect VPN for Samsung devices is now currently available on Android Market,[53].

Media support

The Galaxy S II comes with support for many multimedia file formats and codecs. For audio it supports (FLAC, WAV, Vorbis, MP3, AAC, AAC+, eAAC+, WMA, AMR-NB, AMR-WB, MID, AC3, XMF). For video formats and codecs it supports (MPEG-4, H.264, H.263, DivX HD/XviD, VC-1) and video formats (3GP (MPEG-4), WMV (ASF) as well as AVI (DivX)).

Continued support for the MKV format container was confirmed.[54][55] Furthermore, there is also continued native playback support for the Sorenson codec within FLV.[56] Neither 'MKV', 'FLV' or 'Sorenson' are listed within any available specifications as was previous Galaxy S. Up to 1080p HD video playback is supported on this device.

Community Support

It was public news that Samsung sent a number of Galaxy S II devices to four developers of the CyanogenMod project, with the only request from Samsung being to bring full support of CyanogenMod to the device.[57][58]

Reception

Reviews of the Galaxy S II have been positive. Engadget gave the device a 9/10, calling it "the best Android smartphone yet" and "possibly the best smartphone, period."[59] CNET UK gave the device a favorable review of 4.5/5 and described it as "one of the slimmest, lightest mobiles we've ever had the privilege to hold."[60] TechRadar gave the device 5/5 stars and describes the devices as one that "set a new bar for smartphones in 2011."[61] Pocketnow was "impressed" with the speed of the web browser.[62] SlashGear states that the device "sets the benchmark for smartphones in general."[63] GSMArena points out minor drawbacks such as an "all-plastic body" and the handset having "no dedicated camera key," but still calls the handset "absurdly powerful" and concluding "we just cannot see beyond the new Samsung flagship if we're to name the ultimate smartphone."[64]

After slightly over one month since its debut, more than 1 million units of Samsung Galaxy S II were activated in South Korea.[65] Worldwide, 3 million units were sold in 55 days.[66] After over 85 days of its first release, Samsung has declared global shipments of over 5 million for Galaxy S II[67] and 10 million after 5 months.[68]

Variants

Galaxy S II LTE and Galaxy S II HD LTE

Announced on August 28, 2011, the Galaxy S II LTE and Galaxy S II HD LTE mobile phones are part of the Galaxy S II family. They run on the Android 2.3 Gingerbread OS, have 16GB of internal memory, and feature a 1.5 GHz dual-core processor. The S II LTE has a 4.5-inch wide Super AMOLED display. The S2 HD LTE features a 4.65-inch high-definition AMOLED display, offering a screen of 720x1280 pixels - 720p HD resolution.[69]

Galaxy S II Mini

There have also been reports of a Galaxy S II Mini, which would be an alternative smaller version, much the same way as the HTC HD Mini was to the HTC HD2.[70]

Galaxy R (GT-I9103)

The Samsung Galaxy R is one of the currently available variants of the Galaxy S II. It was announced for releases first in Europe starting from the end of July 2011 with subsequent releases for worldwide. The Galaxy R is slightly smaller in overall size along with some notable "downgraded" features.[71] Its differing comparable features include a 4.2" Super CLEAR LCD (SC-LCD) capacitive touchscreen display, a 5 megapixel camera with 720p HD video recording, 16GB internal storage and a microSD memory card slot. The overall physical size and back of the design of this device differ slightly to that of the original Galaxy S II. Like Galaxy S II, the Galaxy R will also support Kies Air (PC Suite via Wi-Fi).[15][16]

U.S. Variants

Sprint's Galaxy S II Epic 4G Touch

Sprint's Variant: Samsung Galaxy S II Epic 4G Touch

The Sprint version of the device, previously codenamed "Within", is known as the Samsung Galaxy S II Epic 4G Touch. Unlike its predecessor, the Epic 4G, the Epic 4G Touch lacks a physical QWERTY keyboard. At 4.52 inches, it has a larger display than the international version. [72] Additionally, the Epic 4G Touch features four touch-capacitive buttons, as opposed to the hardware/capacitive button combination found on the international version. Other differences include an LED notification light, larger battery (6.66Wh), and a WiMax radio. The device was launched on September 16, 2011.[73]

T-Mobile's Galaxy S II

The T-Mobile USA version was codenamed the Samsung "Hercules". It has a 4.52 inch screen, and features four touch buttons.[74] It also contains NFC.[75]. It uses a 1.5 GHz dual-core Snapdragon processor, as opposed to the 1.2Ghz dual-core Exynos processor. While the 1.5 GHz clock rate is higher, that may not translate to higher performance since it uses a Qualcomm Snapdragon APQ8060 Scorpion instead of Samsung Exynos Cortex A9, with different cache sizes and different integrated graphics architecture (Qualcomm Adreno 220 instead of ARM Mali-400). The reason for this is that the Exynos processor is not compatible with T-Mobile's 42 Mbit/s HSPA+ network. It will be available on T-Mobile's website starting on October 10, and will be available in stores starting on October 12.[76]

AT&T's Galaxy S II

The AT&T version was codenamed "Attain". However, it appeared on AT&T and Samsung websites simply as the Samsung Galaxy S II. It maintains a 4.3 inch screen, but also features four touch buttons.[46] It also contains NFC.[75] On 09/21/2011 AT&T announced it would be releasing the Galaxy S II on October 2nd[77] and did so.

Japanese model (NTT DoCoMo)

In Japan, the Galaxy S2 is known as the NTT DoCoMo SC-02C, manufactured by Samsung Electronics and branded by the DoCoMo carrier, and is the successor to the DoCoMo SC-02B (Galaxy S) within the DoCoMo Smartphone range. Released on 23 June 2011, the Japanese model includes additional features such as 1seg terrestrial television support, as well as i-mode software functions specific to DoCoMo handsets, such as i-channel, BeeTV, MelodyCall and DoCoMo map navigation. The SC-02C uses the Wnn Japanese input system, and uses the Samsung Exynos 4210 Orion Dual-core 1.2GHz (S5PC210) processor.

Canadian Variants

Rogers' Galaxy S II LTE

Rogers will carry the LTE version, launching in Fall 2011, soon after its LTE Launch in Toronto.[78]

Bell's Galaxy S II

Bell's Samsung Galaxy S II is identical to the international version except that its model number is I9100M.

Telus' 4G Galaxy S II X

Telus' Galaxy S II is identical to the T-Mobile variant. It has a Qualcomm 1.5 Ghz dual core processor, larger 4.5 inch screen and 1850 mAh battery, is thicker at 9.4mm and has a different design.[79] There is a chrome band around the edge and the plastic on the back has a leathery feel.[80] Instead of the hardware home button, it has the standard four capacitive buttons. The Qualcomm processor allows for 42Mbps HSPA+ download speeds that the Samsung Exynos processor is not currently capable of. It is currently shown as Coming Soon.

Successor in 2012

JK Shin, the head of Samsung Mobile Communications, announced in May 2011 that a Samsung Galaxy S III (Galaxy S3) was planned for release in early 2012.[81][82]

See also

References

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