Original Blackview Ultra A6 Unlocked Phone Mtk6582 Quad Core 1gb 8gb 4.7 Inch Back Touch (Gold) With just a tap, you can switch Android system to Other Mobile operating system UI Moreover, the most attractive feature of Ultra is Back Screen Navigation. When you hold an over hand size smartphone, you definitely will realize its not only cool while browse pictures, but also it takes just one hand. Powered by a 1.3 GHz quad core processor and Android 4.4 Kitkat, this Ultra smartphone makes everything go faster  launching applications, downloading files, playing games, and more. 13.0MP camera let you meet a more beautiful world. Auto focus promises easy and convenient operation. Just a simple touch, all wonderful and happy momenta can be saved. Also comes with 5.0MP front camera for self-capturing.