Celkon has silently launched a new Campus-series smartphone, the Campus A355, which is now listed on the company’s site. As of now, there is no word on pricing and availability of the Celkon Campus A355 smartphone.The dual-SIM based Campus A355 runs Android 4.4.2 KitKat out-of-the-box. It comes with a 3.5-inch (320×480 pixels) HVGA display. The smartphone is powered by a …