Samsung Galaxy Grand 2
The Samsung Galaxy Grand 2 is a smartphone developed by Samsung Electronics, first announced on November 25, 2013. The phone has a quad core 1.2 GHz processor and 1.5 GB of RAM, with an internal memory of 8 GB which can be extended to another 64 GB by use of microSD cards. The device also supports internet connectivity through 2G and 3G apart from Wi-Fi. Navigation systems including A-GPS and GLONASS with Google Maps. The phone launched with Android 4.3 (Jelly Bean) OS. On 14 July 2014 the phone was upgraded to  Android 4.4.2 KitKat by an OTA update. There were many issues related with the update. Many users were complaining about unexpected restarts, frequent freezing, System UI errors, unable to change lock screen wallpapers and more. All these issues have been resolved recently with the latest K1 build, which comes along with Samsung Knox. The Galaxy Grand 2 features an 8 MP rear camera that is capable of high resolution photos and video capture. The primary camera is capable of Full HD video recording at 1920×1080p at 30 frames per second. The quality can be adjusted between HD ready to Full  HD depending on the amount of space to be utilized for each video file. The camera comes with an LED flash that is capable of illuminating your subjects quite adequately even in low light conditions. The secondary front-facing camera is composed of a 1.9 MP camera. Autofocus, Geotagging, Touch Focus and Face Detection are some of the advanced features supported by the phone, as well as an image stabilizer and smile detector, and basic image editor. The Samsung Galaxy Grand 2 is powered by a 2600 mAh Li-ion, which is capable of lasting up to 17 hours. The  TFT HD, multi-touch screen is capable of 16 million colours. Launched in two variants, G7102 with dual SIM card slots and G7105 with LTE network support, dual micro SIM slots and with dual standby. As compared to its former model Samsung Galaxy Grand, in terms of display, it has larger screen size, improved display resolution, and Pixel Per inch.