Last month Samsung announced four devices under the Rex series in which two devices (Rex 60 and Rex 80) went sale earlier his month. Now another two devices (Rex 70 and Rex 90) are on sale at Samsung e-store for Rs.4,470 and Rs.5,990 respectively. Flipkart is offering Rex 70 and Rex 90 for Rs.4,385 and Rs.5,870 respectively. So, all the four devices are on sale in the country. All these are Dual SIM phones that will be competing with Nokia’s Asha series and other manufacturer phones. The below image shows Rex 90.