Samsung B7722 (also known as Star Duos in certain markets) is an enticing phone for those who are looking for the comfort of using two SIM cards on a branded handset. The phone does not have an exciting look, but unlike other dual SIM phones available in the market, it packs plenty of features that are rare in this section. Above all, it helps you to keep your professional and personal life apart, but this is not the only card up its sleeves.
B7722 works well, but once you open few applications, it goes slow. The touch screen is responsive but struggles for complete visibility in the sunlight, even after full brightness. Voice clarity is excellent and loudspeaker has no distortions, even at full sound. Battery power is sufficient if we talk about the talk time, but stand by time is less.
The phone comes with a 3.2-inch WQVGA touch screen, with 240 x 432 pixels, and allows you to change the cellular line with one touch, which means you do not have to switch off the phone to switch SIM cards. It has a 5-megapixel camera with LED flash, auto focus and 4X digital zoom, HSDPA connectivity, Wi-Fi support, EDGE and FM radio. Apart from the rear camera, it has a front facing camera for video calls.
The phone uses Touch Wiz 2.0 Plus and its main screen comes with four shortcuts at the bottom: Contacts, Messages, Keypad and Menu. The phone is Java enabled, so you can download many other widgets to customize the three available home screens. It also has a task manager through which you can close one or more applications in order to save memory open new ones.
The phone operates at frequencies of GSM 900 / 1800 / 1900 / HSDPA 2100 MHz | GSM 900 / 1800 / 1900 / HSDPA 2100 MHz. With 1200mAh Li-Ion battery, the phone provides a talk time of 12 hours and 50 minutes and 420 hours of standby. Samsung B7722 supports micro SD cards up to 8 GB.
B7722 is a candybar phone that has a weight of 112g and has dimensions of 113.5MM x 55.5MM x 14.3MM. The chubby phone (14.3 mm thick) with an all-plastic build has nothing special in its design or color representation. The phone is completely black with dark silver frame surrounding the display. It has round edges that make it to fit in your hand comfortably. The phone is durable; the case does not flex when pressed hard and feels solid in the hand.
There is a plastic cover on the screen that gets smudged with fingerprints in no time. Under the front screen, there is D pad with send and end keys on either sides. D pad serves as a back key to return to the previous screen while the end key acts as a power button. On the front, it has a front facing VGA camera and earpiece while the 5MP camera, LED flash and speaker grill is located on the back. Mouthpiece is located on the bottom while the top is completely bare. Remaining physical controls are located on the sides, micro USB port and volume rocker occupies the left side while the lock, SIM card toggle button and camera control are located on the right side. A plastic cover protects the connectivity port. SIM card slots and micro SD card slot are located under the battery cover. Users should remember one thing; SIM 1 supports 3G while SIM 2 backs Wi-Fi.
The dual SIM phones are a sensible option for a certain set of users; however, these phones cannot acquire the mainstream market. B7722 is an interesting device though that comes with plenty of features and there is nothing seems to be missing. However, the price is quite high in this section, so you should look on other options before purchasing B7722.