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Samsung Star Duos (GT-B7722) All specs

Full specifications phone: Samsung Star Duos (GT-B7722) specs, detailed technical information, features, price and review. All about this phone.

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Samsung Star Duos

Samsung Star Duos (GT-B7722)

1.6/10 💬 Comment

An advantage of the Samsung Star Duos (GT-B7722) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.

Good connectivity of this device includes Bluetooth 2.1 + A2DP, WiFi 802.11 b/g [wifi3] (2.4GHz), but it lacks NFC connection.

Device with 112 grams including the battery. The Samsung Star Duos (GT-B7722) phone is relatively thin with 14.3mm thickness.

Summary

⚙️ CPU: 32bit
🤖 Proprietary OS
📱 3.2"
TFT LCD
🔳
💽 ROM: 270MB
🔌 WIFI3, BT2.1, FM
📷 (back) 5MP
 🔋 1200mAh

📱 Model features

Samsung Star Duos (GT-B7722)
Change model 
ModelStar Duos (GT-B7722)
Other model namesSamsung GT-B7722/H, Samsung B7722i Duos
Country or region availablefeature not registered
BrandSamsung
Release date6/1/2010
Depth14.3 millimeters (0.56 inches)
Size (width x height)55.5 x 113.5 millimeters (2.19 x 4.47 in)
Weight112 grams (3.92 ounces)
Build, materialsfeature not registered
Protection against water and othersNot supported

📲 Display

Samsung Star Duos (GT-B7722)
Display typeTFT LCD
Screen size3.2" inches
Screen-to-body ratio~46.3% (screen-to-body ratio)
Display resolution240x400 pixels
TouchscreenResistive Single touch 1-point
Pixel density (dot pitch)146 PPI
Colors260 thousand
Scratch-resistant glassNot supported
Refresh ratefeature not registered
Display featuresfeature not registered

🤖 Operating System

Samsung Star Duos (GT-B7722)
System versionProprietary OS
Firmware updatefeature not registered
User Interfacefeature not registered

⚙️ Processor

Samsung Star Duos (GT-B7722)
Chipset32bit
CPUSingle-core, 1 processor:
Single-core
GPU graphical controllerfeature not registered
Performance (benchmark)feature not registered

💽 Memory and storage

Samsung Star Duos (GT-B7722)
RAM memoryfeature not registered
Internal storage270MB
External storageUntil 16GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Samsung Star Duos (GT-B7722)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload3.6 Mbps
Network technology2G, 3G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900
Primary 3G networkUMTS 2100
Primary 4G networkNot supported
Primary 5G networkNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA
Secondary 2G networkGSM 900/1800
Secondary 3G networkNot supported
Secondary 4G networkNot supported
Secondary data networkGPRS, EDGE

📷 Camera

Samsung Star Duos (GT-B7722)
Back camera (main camera)5 megapixels
Main camera resolution2560x1920 pixels
Video recording (primary)QVGA (320x240) 30 fps
FlashLED flash
Focal aperturefeature not registered
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
AutofocusAutofocus
Touch focusfeature not registered
Image stabilizationfeature not registered
ZoomOnly digital zoom
Face/smile detectionfeature not registered
BSI sensorfeature not registered
HDRfeature not registered
Camera extrasfeature not registered

📸 Front camera

Samsung Star Duos (GT-B7722)
Front camera (secondary)Not supported
Front camera resolutionNot supported
Video recording (secondary)Not supported
Front flashNot supported
Focal aperturefeature not registered
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered

🔉 Sound and multimedia

Samsung Star Duos (GT-B7722)
LoudspeakerSupported
Active noise cancellationfeature not registered
RadioFM (RDS)
TVNot supported
Video formatsMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+

🔌 Connectivity

Samsung Star Duos (GT-B7722)
USBMicroUSB 2.0
Audio outputvia Micro-USB
TV outputNot supported
Bluetooth2.1 + A2DP
WiFi802.11 b/g [wifi3] (2.4GHz)
DLNAfeature not registered
GPSNot supported
NFCNot supported
Infrared portfeature not registered

🧭 Sensors

Samsung Star Duos (GT-B7722)
SensorsAccelerometer
Vibrating alertSupported

🔋 Battery

Samsung Star Duos (GT-B7722)
Battery typeLi-Ion: lithium-ion (Removable)
Battery capacity1200 mAh
Charger, wattsWired charging
Inductive / wireless chargingfeature not registered
Talk time autonomy5.6 hours
Standby330 hours (13.8 days)

➕ Other features

Samsung Star Duos (GT-B7722)
Call controlVoice recorder
MessagingSMS, MMS, E-mail, Push mail
Hands-free callingSupported
Video callingNot supported
RingtonesPolyphonic and customized
Web browserHTML, XHTML
AntennaInternal antenna
Qwerty physical keyboardNot supported
Miscellaneous• Colors: Black
• SHP OS
• Dolphin 1.0 browser
• 3D Sound Technology
• Java framework

☢️ Radiation rate

Samsung Star Duos (GT-B7722)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered
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