Samsung B7722
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Posted: 11 Jun 2010
Market Status: Released
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Samsung B7722 is a quad-band GSM with 3G support and has two SIM card slots, 3.2" touch screen, 5MP camera, Wi-Fi, microSDHC card slot and stereo Bluetooth.

Rating

Good 7 out of 10

Average

6.3 out of 10

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Samsung B7722 specifications

also known as Samsung Star Duos

Pros

No pros

Cons

Low pixel densitiy screen, below 180ppi (146 ppi)
Low resolution display (240 x 400 pixels)
Resistive touchscreen technology means its display is less sensitive than you would like it to be
Lacks global positioning system (GPS)
Low-resolution video capture
Lacks a standard (3.5mm) headphones jack
Lacks an ambient light sensor for automatic screen brightness adjustment
Lacks a proximity sensor that turns the display оff during a phone call

Design

Device type:
- Feature phone
Form factor:
Form factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel
- Candybar
Dimensions:
- 4.47 x 2.19 x 0.56 (113.5 x 55.5 x 14.3 mm)
Weight:
- 3.70 oz (105 g)
  the average is 4.2 oz (120 g)

Display

Physical size:
- 3.20 inches
Resolution:
- 240 x 400 pixels
Pixel density:
Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.
- 146 ppi
Technology:
Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.
- TFT
Touchscreen:
- - Resistive

Battery

Talk time:
Talk time - Maximum talk time in hours
- 12.83 hours
  the average is 8 h (496 min)
Stand-by time:
- 17.5 days (420 hours)
  the average is 21 days (498 h)
Talk time (3G):
- 5.66 hours
Stand-by time (3G):
- 13.8 days (330 hours)
Video call time:
- 3.83 hours
Capacity:
- 1200 mAh

Hardware

Built-in storage:
- 270 MB
Storage expansion:
- Slot Type:
  - microSD, microSDHC
- Maximum card size:
  Maximum card size - Shows the capacity of the memory expansion slot that can be added
  - 16 GB

Camera

Camera:
- - 5 megapixels
- Flash:
  - LED
- Features:
  - Auto focus, ISO control, Multi shot, Digital zoom, Panorama, Frames, Effects, Self-timer
Camcorder:
- - 320x240 (QVGA) (30 fps)
- Features:
  - Video calling
Front-facing camera:
- Yes

Multimedia

Radio:
- - FM, RDS, Recording option

Internet browsing

Browser:
- - Dolphin
- Supports:
  - HTML, WAP 2.0, RSS

Technology

GSM:
GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed.
- 850, 900, 1800, 1900 MHz
UMTS:
UMTS - Universal Mobile Telecommunications Service, also called WCDMA, is a 3G (Third Generation) packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 Mbps. It is based on GSM standard and is supported by major standards bodies and manufacturers
- 2100 MHz
Data:
Data - Shows the particular phone's type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.
- HSDPA 3.6 Mbit/s, UMTS, EDGE
Multiple SIM cards:
- - 2 slots

Phone features

Phonebook:
- 2000 entries, Caller groups, Multiple numbers per contact, Picture ID, Ring ID
Organizer:
- Calendar, Alarm, To-Do, Document viewer, Calculator, Converter, Currency converter, World clock, Stopwatch, Countdown timer, Memo
Messaging:
- SMS (1000 messages), MMS, Predictive text input
E-mail:
- - Yes

Connectivity

Bluetooth:
- - 2.1, EDR
Wi-Fi:
Wi-Fi - Wireless Local Area Network (WLAN) - used radio waves (RF) or infrared signals to send and receive data over the air. Most popular WLAN solutions today is Wi-Fi (802.11b and 802.11g) standards. 801.11b provides data speeds of around 11mbps while 802.11g can go up to 54 mbps.
- - 802.11 b, g
USB:
- - USB 2.0
- Connector:
  - microUSB
- Features:
  Features - Universal Serial Bus - is a plug-and-play interface for connection a computer and add-on devices such as joysticks, keyboards, wireless phones, scanner, cameras etc. USB supports hot-swap (ability to add a new device without having to reboot the computer). USB supports data speed of 12 megabits per second.
  - Mass storage device
- Computer sync, SyncML

Other features

Notifications:
- Haptic feedback, Music ringtones (MP3), Polyphonic ringtones (72 voices), Vibration, Flight mode, Silent mode, Speakerphone
Sensors:
- - Accelerometer
- Voice recording

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