Download Cyanogenmod 13 rom For Redmi Note 3 snapdragon model only and update your device to latest android marshmallow 6.0 from lollipop miui 7.Special thanks to xda dev Santhosh M for this unofficial cm 13 rom for redmi note .As there are some bugs in this unofficial CM13 rom for Redmi Note 3.
Before starting the process make sure you have rooted the device and have a custom recovery installed on your device (TWRP recovery is recommended).The official TWRP is also available for Redmi Note 3.
#Before we start
1.Backup you current rom.
2.Back up all data (Contacts,SMS,app data)
This is only for Snapdragon variant don’t install in MTK variant.
#How to install CM13 Rom in Redmi Note 3
Download official CM13 Rom for Redmi Note 3 and then appropriate Gapps 6.0 package from the link given below .
2.Now place the Cyanogenmod 13 ROM and gapps 6.0 zip file in sd card.
3.After that reboot your device into TWRP Recovery mode.
4.Then flash CM13 android marshmallow rom and gapps from the recovery in it.
5.Now Clear Cache and Clear Data.
6.Reboot your device.Done! You just flash CyanogenMod 13 from in your Redmi Note 3.
Enjoy Android Marshmallow 6.0 in your Redmi Note 3