Hi, here is the MIUI V6 firmware of Xiaomi Redmi Note 2.
The MIUI V7 firmware is still under debugging, to avoid the disorder caused by the unstable system, we will update the MIUI V7 later.
Download here: Xiaomi Redmi Note 2 MIUI 6.7 Firmware
Flash tool: 1452SP_Flash_Tool_exe_Windows_v5.1452.00.000
Flash guide: How to flash MTK smartphones with SP flash tool?