"Samsung Duos": all models of 2008-2015.

The phones that support the work of two SIM cards are one of the most convenient inventions of our time, which many users appreciated: they often move from region to region, having a personal and working number, who found the most profitable offers from different operators, etc. Among all The diversity of smartphones with two SIM cards is worth highlighting the line "Samsung Duos", all the models of which we will try to reflect in this article.

"Samsung Duos": features

Phones supporting two "sims" are divided into three large groups:

1. With two active SIM cards - in the talk mode, when one SIM is activated, the second one can receive an incoming call, and the subscriber, in turn, can switch between them.
2. SIM cards are equally active only in the standby mode - during the conversation the unused SIM is not available for those trying to reach the user.
3. The work involves only one SIM - to use the second, you must disable the work of the first. The mode is typical for the most budgetary models.

Such principles demarcate all models of Samsung Duos, touch and button. Let us further consider their diversity.

2008 year: the beginning

In 2008, the first three models were released:

• Pioneer - button D780 DuoS, had two simultaneously working "sims". In addition, the phone boast a two-megapixel rear camera, WAP-browser, USB port, Bluetooch, a battery for 1200 mAh.
• The D780 DuoS Gold Edition was an exact replica of the first model, but only with a noble golden hull solution.
• D980 DuoS - the first sensor model in the line "Duos". It had a screen with a diagonal of 2.6 inches, and also a very good camera at that time for 5 Mpx. In the kit with the phone there was also a stylus.

2009: a quantitative breakthrough

We continue to consider all the models of "Samsung Duos" with a photo. In 2009, the collection of the Duos series was significantly enlarged:

• B5702 DuoS was slightly weaker than last year's "sensor" - its camera took pictures with a resolution of 3 megapixels, the screen was also slightly smaller - 2.4 inches.
• B5722 DuoS had a camera with a resolution of 3.2 megapixels and a slightly larger display with a diagonal of 2.8.
• C3212 Duos - a budget button model with a rather weak battery - 1000 mAh. The camera also did not stand out - 0.3 MP.
• C5212 Duos - again a button version, different from the previous slightly more clear camera - 1.3 megapixels.
• C6112 DuoS - touch gadget with a small screen (2.4 inches), a 2 Mp camera. Had the weakest battery - 960 mAh.

2010: budget models

All models of the "Samsung Duos" this year:

• B7722 Duos - this battery returned a 1200 mAh battery, a 5-megapixel camera. The diagonal of its display was 3.2 inches. The first in the lineup was supported by Wi-Fi.
• E2152 Duos Lite - a budget button phone with a battery of 1000 mAh, camera 0.3 MP. Supported only EDGE.

2011: Diversity

The collection of this year was very diverse:

• C6712 Star II Duos - a touch device with a 3.2 megapixel camera, 3.2 screen diagonal. Supported by Wi-Fi, it was powered by a battery with a capacity of 1200 mAh.
• E2222 Duos - the first button with a qwerty-keyboard. He had a weak camera (0.3 Mp) and a battery (1000 mAh). Support for Wai-Fay was not his dignity.
• E2652 Champ Duos - a budget "sensor" without Wi-Fi. A small screen, a weak battery, a 1.3 MP camera.
• Galaxy Y Duos worked already on the basis of Android, supported the Wi-Fi, had a standard audio output of 3.5 mm. The novelty was the presence of a GPS-navigator. The phone was allocated and the most powerful battery - 1300 mAh. The screen diagonal is 3.14 inches, and the resolution of the camera is 3.15 megapixels.
• Galaxy Y Pro Duos - from the previous model, the phone was distinguished by the presence of a "quart" keyboard, a more powerful 1350 mAh battery, but a smaller screen - 2.6 inches.

2012: four positions

All models of smartphones "Samsung Duos" for 2012:

• Galaxy Ace Duos did not differ significantly from previous previous models - it was allocated by the camera in 5 Mp, the screen with a diagonal of 3.5 inches.
• Galaxy Pocket Duos - the differences of this phone are in the diagonal of the display - 2.8 inches, the camera power - 2 megapixels and the battery - 1200 mAh.
• Galaxy S Duos functioned with the Qualcomm MSM7227 processor. It had the largest screen in the line - 4 inches, the most powerful battery - 1500 mAh, 5 megapixel camera.
• Star 3 Duos - budgetary sensor model. It featured a screen diagonal of 3 inches, the battery is only 1000 mAh, the camera at 3.15 megapixels.

2013: continuation of the history

All models of "Samsun Duos" this year are calculated in two names:

• Galaxy S Duos 2 - characterizes the phone 4-inch screen, displaying up to 16 million colors, 5 megapixel camera, 1500 mAh battery power. The remaining features copy the previous models.
• Galaxy Young Duos - its 3.27-inch screen reflected about 256 thousand colors, the camera was characterized by 3 Mp. The battery was weaker - 1300 mAh.

2014: Powerful move

This year saw only one model with the mark "Duos" - Galaxy S5. "Smart" worked on the Qualcomm Snapdragon 801 2500Mhz processor. Its screen was not traditional TFT, but innovative Super AMOLED, which allowed to display up to 16 million colors with a diagonal of 5.1. The back camera of this phone is not bad and for today - 16 megapixel. The battery in the device - the most powerful in the line (2800 mAh). The phone, in addition to other means of communication, began to support NFC, LTE, for which for some reason appeared the infrared port.

2015: The Last Hero

This year, the latest model for the "Duos" - Galaxy J1, running on the ARM Cortex-A7 1200Mhz processor was released this year. It is noticeably inferior to last year's - TFT-display 4.3 inches, 5 megapixel camera, 1850 mAh battery.

On this list of all models of "Samsung Duos" ends. Convenient two-letter phones from this Korean manufacturer are presented, as you can see, for every taste and purse.