Dual Sim FLY DS400 and FLY DS500

It seemed that market of DualSim phones slowed down but we got two new device to fill up the space. This time its model range updated company Fly, adding 2 phones to its portfolio.New devices are announced with the precode DS (likely acronym of Dual-SIM).Junior model - Fly DS400 - is a bar phone with the functionality of affordable middle class: display size is 176×220, 1.3 Mp camera, support for