Along with upgrades for the operating system, processor, snapper and screen quality, modern-day smartphones have upgraded in one more important department and that is the number of SIMs they allow on a single device.
Most of the handset manufacturer's, including the key players in the market, offer dual SIM smartphones. Many prefer not to use them because of the hassle of having to manage two numbers. However, a smart phones dual sim offers more benefits that you can bargain for. Hence, they are worth the purchase.
