SamsungManufacturer :

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1User opinions :

The Samsung D780 is a smart candy-bar cellular phone with a 2.1-inch display.
This cell phone is simply a triband phone, does not support 3G and become visible in stylish dark silver and mirror silver color. Samsung D780 DuoS, which has a fine functional, supports Bluetooth A2DP profile and have FM radio. Camera on the Samsung D780 is 2 megapixels by CMOS sensors. It too supports Mobile Printing via BPP and PictBridge, and has a microSD slot (perfectly recognized 2Gb).
The important feature of Samsung D780 is in fact the dual SIM ability. It is imperative to note that even if the two SIM cards are active at the same time, here are still a few restrictions.
It initiates by the master and slave SIM card ladder. The master SIM is the main used for calls, messaging, GPRS/EDGE, and the rest, whilst the slave card has calls and SMS ability merely. No problem, the master and slave cards can be exchange by a tap of a simple system SIM management interface setting, but in this condition, a reboot (restart of the phone) is obligatory. Only the master SIM card has tri-band GSM support.
The SIM managing interface is relatively simple, allow the user to set the principal card, and to name, enable or disable one or together cards. Although the enable - disable choice is a matter of simple seconds.
We wrote about the work of two SIM cards before and we should say that there are no changes concerning this in this novelty (we had a test non-commercial sample). On the left end we see a special key to control SIM cards which is duplicated in menu. Number or SMS typing, then the choice of necessary SIM card and that is all.
Memo book is separated into three parts: two SIM cards and the telephone memory. The view of all contacts in one list is too possible as fine as in separate cards.
If you are searching during a full list of contacts then you can see a little icon by each contact inform you on the place of storage. Dial of preferred number is possible from any of SIM cards: just decide a necessary card with special key on the side end of the cell phone and push dial key.
This phone has 2-megapixel camera without auto focus utility and at that, we get pictures of acceptable value. In fact, the camera is characteristic middle level.
The player is completely known and intuitive. The volume is high; here are 4 preinstalled equalizers, 3D sound type, modes of tracks repeat and shuffle, sustain of numerous playlists.
Integrated FM receiver is very sensitive, store all stations in auto search mode. The memory can store 23 stations.You can listen to the radio via earphones and you can turn on a loudspeaker or play radio in background mode.
With classic applications that run from majority mobile phone: we have a stopwatch, notes editor, calendar, event reminder, world time map, currency and measures converter and calculator.
This device is able to send files using Bluetooth with 45 Kb/s speed and as for all communications it truly work.
The time of battery life by two active SIM cards is 2,5 days at 30 minutes of talk a day, one hour of listen to the music, frequently explore in menu.

Specifications:

• Network: (2G) GSM 900 / GSM 1800 / GSM 1900
• Form factor: Block
• Antenna type: Internal
• SAR Value: 0.78 W/Kg

Size:

• Weight: 108 g (with battery)
• Dimensions: 115 x 49.6 x 15.7 mm

Display:

• Type: Graphical
• Colored: Yes, TFT, 262K colors
• Size: 240 x 320 pixels

Memory:

• Numbers: 1000
• Received calls: 30
• Outgoing calls: 30
• Lost calls: 30
• Shared memory: 32 MB
• MicroSD (TransFlash), up to 2 GB supported
• Photocall

Ringtones:

• Polyphonic ringtones: Yes, 64
• MP3

Networking:

• GPRS: Yes, Class 10 (4 1/3 2 slots), 32 - 48 kbps
• DATA: Yes, EDGE, Class 10, 236.8 kbps
• USB: Yes, 2.0
• Bluetooth: Yes, 2.0 with A2DP
• WAP: Yes
• Browser: Yes, WAP 2.0/xHTML
• Email client: Yes

Features:

• Vibration: Yes
• SMS: Send / Receive
• MMS: Send / Receive
• Camera: Built-in, 2 MP, 1600x1200 pixels, video
• Java: Yes
• Games: Yes, 1 (changeable)
• Clock: Yes
• Alarm: Yes
• Calculator: Yes
• Calendar: Yes
• To-do list: Yes
• Voice memo: Yes
• T9: Yes
• Handsfree: Yes
• FM Radio: Yes
• Dual SIM
• MP3/AAC /MPEG4 player
• Document viewer
• Mobile Printing

Standard Battery :

• Type: Li-Ion
• Amperage: 1200 mAh
• Standby time: GSM: 250h
• Talk time: GSM: 3h

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