<P> In October 2017, Lei Jun announced that the sales of RedMi Note 4X exceeded 20 million units and its reputation was good . </P> <P> The company announced that as many as 9,624,110 units of Redmi Note 4 were sold in 2017 and that it was one of their best selling smartphones in the last quarter of 2017 . </P> <P> Xiaomi Redmi Note 4 - codename nikel is equipped with MediaTek MT6796 Helio X20 CPU and Mali - T880 MP4 GPU . It runs MIUI 8, updated to MIUI 9 based on Android 6.0 . The 4X - codename mido variants have the Octa - core 2.0 GHz Snapdragon 625 CPU and Adreno 506 GPU . It runs MIUI 8 based on Android 6.0, which was updated to MIUI 9 based on Android 7.0 . </P> <P> All variants include a 5.5 in (140 mm) 1080p display, 2 GB, 3 GB or 4 GB of RAM, 16 GB, 32 GB or 64 GB eMMC 5.0 Flash, a 5 MP front camera, non-removable Li - Po 4100 mAh battery and it supports 802.11 b / g / n / ac networks on both the 2.4 and 5 GHz bands . Phones also support two SIM cards or a SIM card + microSDHC card because one SIM card and the microSDHC card share the same physical tray slot . </P>

What is the android version of redmi note 4