Lenovo A3690 is an affordable Android smartphone with respectable specifications and features. It runs Android v5.1 (Lollipop) operating system and powered by a quad-core 1.0 GHz Cortex-A53 processor. It is also armed with Mali-T720MP2 GPU and 1 GB of RAM. You can’t expect superb processing speed, but the phone already has enough power to do […]