Samsung Galaxy S

Shohidul Islam ● Monday, 18 June 2012 0 comments


                                          Samsung i9000 galaxy s.jpeg
The Samsung Galaxy S is an Android smartphone that was announced by Samsung in March 2010. It features a 1 GHz ARM"Hummingbird" processor, 8–16 GB internal flash memory, a 4 inches (10 centimetres) 480×800 pixel Super AMOLED capacitive touchscreen display, Wi-Fi connectivity, a 5-megapixel camera with a maximum resolution of 2560x1920 and, on select models, a front-facing 0.3 MP VGA camera (640x480).[2][3] The base version of the phone, the GT-I9000, was quickly followed by variant models for the US carriers such as the Epic 4G, Vibrant, Captivate, Fascinate, and Mesmerize.
The Samsung Galaxy S features a PowerVR graphics processor, yielding 20 million triangles per second,[4] making it the fastest graphics processing unit in any smartphone at the time of release.[5] Also, upon release, the Galaxy S was both the first Android phone to be certified for DivX HD,[6] and at 9.9 mm was the thinnest smartphone available.[7]
As of January 2011, Samsung had sold 10 million Galaxy S phones globally.[8] The Galaxy S was named the European Smartphone of the Year at the European Imaging and Sound Association (EISA) Awards 2010–2011.[9] Samsung Galaxy S was succeeded bySamsung Galaxy S II. In October 2011, Samsung announced that it had sold 30 million Galaxy S and Galaxy S II phones globally.The phone was initially launched in Singapore on June 4, 2010.[11] Before the end of its first weekend on sale in Singapore, Samsungtweeted that Singtel, the exclusive carrier to sell the device in Singapore, were sold out of devices.[12] On Friday June 25, 2010, the phone was launched in Malaysia and South Korea.[13][14] Overall the launch schedule comprised launches on 110 carriers in 100 countries at the same time.[15] U.S. Variants named as Epic, Vibrant, Fascinate, Captivate, and Mesmerize were released from June through September 2010.CNET Asia gave the Galaxy S a favorable review with a score of 8.4/10. The Galaxy S was compared to current high-end Android-based phones such as the HTC Desire, Xperia X10, Nexus One, and smartphones using different operating systems like the iPhone 4, which runs iOS, and HTC HD2, which runs Windows Mobile in CNET Asia.[16]
GSMArena.com described the Galaxy S as having "perfect audio quality," claiming the phone's superior all-round performance made it a "new leader of the Android pack."[17]
TIME listed the Galaxy S as #2 device in "Top 10 Gadgets" of 2010, praising its Super AMOLED display.[18]
The phone was criticized by some reviewers for sub-par GPS performance. Anandtech, reviewing the Epic 4G variant, said "the phone will take an inordinate amount of time to determine your actual location, and/or it won’t pinpoint your location very accurately."[19]Engadget described the GPS in the Vibrant and Captivate variants as "utterly broken and non-functional... this is a problem for which there's no reasonable explanation why it made it all the way to retail devices."[20] Samsung released an application for the Captivate and Vibrant variants only that resets the phone's GPS settings to factory defaults.[21] TechRadar acknowledged GPS faults in the Galaxy S, and stated that these have been fixed in the Google Nexus S
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iPhone 4S

Shohidul Islam ● 0 comments


                                            IPhone 4S No shadow.png
The iPhone 4S is a touchscreen-based, slate-sized smartphone developed by Apple Inc. It is the fifth generation of the iPhone[5]and retains the exterior design of its predecessor, the iPhone 4, but is host to a range of improved hardware specifications andsoftware updates.[6] The phone added a voice recognition system known as Siri, for which the S in the products name stands,[7]and a cloud storage service named iCloud. Some of the device's functions may be voice-controlled through Siri.
On October 4, 2011, in Cupertino, California, Apple announced the iPhone 4S. On October 7, 2011, it became available for preorder in seven initial countries (United States, Canada, Australia, United Kingdom, France, Germany and Japan) with the first delivery date set for October 14, 2011 and available on that same day for direct in-store sales in those countries. It was released in 22 more countries, including Ireland, Mexico, and Singapore on October 28.[8]
It is available for 100 cell service carriers in 70 countries, including eight carriers in the United States.[9][10] For US customers, unlocked (contract-free) sales started on November 11, 2011.[11][12] The Associated Press said that AT&T described early iPhone 4S demand as "extraordinary".[13] Reception to the iPhone 4S was generally favorable. Reviewers noted Siri, the new camera, and processing speeds as significant advantages over the prior model.[14][15][16] Four million units of the iPhone 4S were sold in the first three days of release.Speculation about Apple's next generation phone, including various specifications and a predicted name ("iPhone 5"), were widespread in the time preceding its debut.[17] After the iPhone 4S was announced, there was some disappointment about the new phone's name.[17] As early as May 2011, some leaks had a fairly accurate description of the product including the name "iPhone 4S", the A5 chip, HSDPA+,[18] new camera, and Sprint carrying.[19]
There were no external differences between the iPhone 4 CDMA model and the iPhone 4S;[17] all changes were internal (slight external differences between the iPhone 4 GSM model and the iPhone 4S exist, as said differences existed between the CDMA and GSM models of the iPhone 4).[20][21]
The iPhone 4S was unveiled at Apple's "Let's Talk iPhone" event on October 4, 2011, on the Apple Campus in Cupertino, California.[22] The keynote was the first in which Tim Cook led since the Verizon keynote earlier in the year. It was also Cook's first product launch without Apple co-founder, Steve Jobs, whose health was deteriorating and died the day after the announcement of iPhone 4S. Tim Carmody of Wired praised Cook for focusing on company achievements, calling him a "global business thinker" and a "taskmaster".[23]
At the "Let's Talk iPhone" event held by Apple on October 4, 2011, Mike Capps demonstrated Epic Games' Infinity Blade II, the sequel to Infinity Blade, on an iPhone 4S. Capps boasted that the game uses Epic Games' Unreal Engine 3 and features the same graphic techniques used in the Xbox 360 game Gears of War 3.[24]
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iPhone

Shohidul Islam ● 0 comments


                                          
The iPhone is a line of smartphones designed and marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007. The 5th generation iPhone, the iPhone 4S, was announced on October 4, 2011, and released 10 days later.
An iPhone can function as a video camera (video recording was not a standard feature until the iPhone 3GS was released), a camera phone, a portable media player, and an Internet client with email and web browsing capabilities, can send texts and receive visual voicemail, and has both Wi-Fi and 3G connectivity. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one.
Third-party as well as Apple application software is available from the App Store, which launched in mid-2008 and now has over 500,000 "apps" approved by Apple. These apps have diverse functions, including games, reference, GPS navigation, social networking, security, and advertising for television shows, films, and celebrities.
There are five generations of iPhone models, each accompanied by one of the five major releases of iOS (formerly iPhone OS). Theoriginal iPhone was a GSM phone, and established design precedents, such as screen size and button placement, that have persisted through all models. The iPhone 3G added 3G cellular network capabilities and A-GPS location. The iPhone 3GS added a compass, fasterprocessor, and higher resolution camera, including video recording at 480p.
The iPhone 4 has a rear-facing camera (720p video) and a front facing camera (at a lower resolution) for FaceTime video calling and for use in other apps like Skype. The iPhone 4 featured a higher-resolution 960 × 640 display; it was released on June 24, 2010. In the U.S.,AT&T was the only authorized carrier until February 10, 2011, when a CDMA version of the iPhone 4 launched for Verizon. On October 4, 2011, Apple announced the iPhone 4S.
The iPhone 4S added a higher resolution camera (8 megapixel) with 1080p video recording, face detection, and video stabilization, a faster, dual core processor, support for both GSM/UMTS and CDMA on one chip, GLONASS support and a natural language voice control system called Siri. It is available in 16 GB and 32 GB, as well as a new 64 GB capacity. In the United States, it was announced that two new carriers, Sprint and C Spire, would begin carrying the iPhone 4 and iPhone 4S in October and November 2011, respectively. On April 20, 2012, six more regional US carriers (Cellcom, Appalachian Wireless, Alaska Communications, GCI, MTA Solutions, and nTelos) were added in to the list of iPhone service providers.
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Nokia N8

Shohidul Islam ● 0 comments

                                    Nokia N8 (front view).jpg
The Nokia N8 is a Symbian^3 smartphone of the Nokia Nseries and Nokia's flagship device of 2010. It was released on 23 September 2010 at the Nokia Online Store before being released in markets around the world on 1 October 2010.[5] The N8 features a 12 megapixel camera, a pentaband 3.5G radio andimage-based gesture recognition. Among the connectivity features are an HDMI output, USB On-The-Go, and Wi-Fi 802.11 b/g/n.The N8 became the product with the most customer pre-orders in Nokia's history up to the point of its release.[7] Despite those high pre-order numbers sales for the N8 have been lagging.
The previous phone in the Nseries was the N97, which was criticised for its earlier firmware issues. Anssi Vanjoki, Nokia's Executive Vice President for Markets, said in an interview that software quality control would be better than for the N97[8] The N8 was the first device to feature the Symbian^3 operating system. Initially scheduled for the second quarter of 2010, the N8 was pushed back to the third quarter,[9] being finally released on 30 September 2010 due to 'final amendments'.
The previous Nokia phone with a focus on photography is the N86 8MP, which has an 8 Megapixel sensor and has been available since June 2009.[10]
The N8 is the second Nokia to have a capacitive touchscreen, following the X6, and the first with multi-touch.

Body

  • Anodised aluminium monocoque case
  • Available in silver white, dark grey, orange, blue, green and pink
  • Size: 113.5 × 59 × 12.9 mm
  • Weight (including battery): 135 g (4.8 oz)
  • Carl Zeiss optic 12.1 mega pixel resolution

[edit]Display

[edit]Hardware

  • 680 MHz ARM11 processor (ARM v6 architecture)
  • 256 MB RAM
  • Broadcom BCM2727 GPU[13] VideoCore III Multimedia Engine with dedicated 3D Graphics HW Accelerator with OpenGL-ES 1.1/2.0 support. 32 Mtriangles/sec[14][15]
  • 16 GB internal memory
  • MicroSD memory card slot, hot swappable, up to 32 GB

[edit]Sensors

  • Orientation sensor (Accelerometer)
  • Compass (Magnetometer)
  • Proximity sensor
  • Ambient light detector

[edit]Power

Nokia N8 has dual charging options,[16] allowing to be charged both from a standard-pin Nokia charger, or over the micro-USB port.
The Nokia N8's battery is integrated and thus not easily removable or replaceable. Although this procedure is not endorsed by Nokia,[17][18] it has been reported that the battery actually is replaceable by loosening two screws on the sides of the phone.[19]
  • BL-4D 1200 mAh Li-Ion battery.
  • Standard Nokia 2 mm charger connector
  • Talk-time (maximum):
  • Standby time (maximum):
  • Video playback time (H.264 720p, 30 fps, maximum): 6.5 h
  • Video recording time (H.264 720p, 30 fps, maximum): 3.5 h
  • Music playback time (maximum): 54 h
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