Samsung Galaxy 551

Also known as Samsung I5510, Samsung Callisto
Network
TechnologyGSM / HSPA
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100
 HSDPA 850 / 2100
SpeedHSPA 7.2/0.384 Mbps
GPRSClass 10
EDGEClass 12
Launch
Announced2010, October. Released 2010, Q4
StatusDiscontinued
Body
Dimensions111 x 55 x 15.2 mm (4.37 x 2.17 x 0.60 in)
Weight117 g (4.13 oz)
KeyboardQWERTY
SIMMini-SIM
Display
TypeTFT capacitive touchscreen, 16M colors
Size3.2 inches, 29.1 cm2(~47.7% screen-to-body ratio)
Resolution240 x 400 pixels, 5:3 ratio (~146 ppi density)
 TouchWiz 3.0 UI
Platform
OSAndroid 2.2 (Froyo), upgradable to 2.3.6 (Gingerbread)
ChipsetQualcomm MSM7227 Snapdragon S1
CPU600 MHz
GPUAdreno 200
Memory
Card slotmicroSD, up to 32 GB (dedicated slot), 1 GB included
Internal160 MB
 - DNSe sound enhancement
Main Camera
Single3.15 MP, AF
Video320p@15fps
Selfie camera
 No
Sound
LoudspeakerYes
3.5mm jackYes
Comms
WLANWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth2.1, A2DP
GPSYes, with A-GPS
RadioStereo FM radio, RDS
USBmicroUSB 2.0
Features
SensorsAccelerometer, proximity, compass
BrowserHTML
 - MP4/WMV/H.263 player
- MP3/WAV/eAAC+ player
- Document viewer
Battery
 Removable Li-Ion 1200 mAh battery
Stand-byUp to 520 h (2G) / Up to 370 h (3G)
Talk timeUp to 9 h (2G) / Up to 5 h (3G)
Misc
ColorsBlack
SAR0.18 W/kg (head) 0.90 W/kg (body)
SAR EU0.38 W/kg (head)
PriceAbout 90 EUR
Tests
Camera Photo
Loudspeaker Voice 69dB / Noise 66dB / Ring 72dB
Audio quality Noise -85.0dB / Crosstalk -32.4dB

Samsung Galaxy 551 model name or number:
Samsung I5510, Samsung Callisto

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