IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.
2.Amply newer Bluetooth version
vs 4 (the average)
vs 4.2 (best: Samsung Galaxy S7 edge (Exynos 8890 Octa))
3.Lots smaller semiconductor size
vs 30nm (the average)
vs 14nm (best: Apple iPhone 6s Plus 32GB)
A smaller size indicates that the process to create the chip is newer.
4.Supports two SIM cards
vs No (60% don't have it)
A dual SIM mobile phone can work with two SIM cards at the same time.