Samsung on Wednesday launched its second Tizen-powered smartphone Z3, priced at ₹8,490. The new Samsung Z3 will go on sale from October 21 in India, the company said. Samsung Z3 comes with a 5-inch HD screen, 8GB internal storage with 8MP rear and 5MP front camera. The first Tizen-based smartphone, Samsung Z1 was launched earlier this year at ₹5,700.