Lenovo has expanded its Vibe series of smartphones with the launch of its latest budget smartphone, called the Lenovo Vibe A in Russia. Under the hood, it is powered by a 1.3GHz quad-core Spreadtrun SC7731 processor clubbed with 512MB of RAM. It runs Android 5.1 Lollipop operating system and features a 4-inch WVGA display with 800×480 pixels resolution.













