Please note: this ROM still in nightly stage maintained by Anik Khan read his post here.
You can also install previous built of CyanogenMod 14.1 (more stable) from this guide here.
The Lineage OS ROM Xiaomi Redmi Note 3 (kenzo) also available to download here including how to install it properly.
The LOS for Redmi 3/Prime (ido) is based on the latest Android 7.1.1 Nougat update and it brings tons of other customizations such as: Multi-window support, improved Doze mode, redesigned notification, better battery life, shutter speed controls and much more. Learn more for Android Nougat update features from here.
This tutorial is supported only with the Xiaomi Redmi 3/Prime devices, codenamed with (ido).
Make sure you’ve unlocked Redmi 3 bootloader and have a TWRP Recovery installed on your smartphone. You can read How to Unlock Xiaomi's Bootloader and Guide to Install TWRP recovery before head.
In order to correctly install this Nougat ROM you will need to wipe the data and factory reset your Redmi 3. This step is included in the tutorial and it means that you will have to backup all your files using cloud storage services, a SD Card or a PC.
Make sure that your smartphone’s battery charge level is over 20%. This will prevent it from powering down while you’re updating you Redmi 3 to Nougat 7.1.1 using Lineage OS ROM
More to note:
Try to avoid restoring apps backup using Titanium Backup. It may break things up.
Don’t restore system data using Titanium Backup! It will definitely break the current installation.
It is also discouraged to Restoring Apps + Data using Titanium Backup
If you done with all prequisites and adfitional notes mentioned above, you can now forward to these steps.
1. Download Lineage OS for Redmi 3/Prime Android 7.1.1 Nougat
The Nougat 7.1 Lineage OS for Redmi 3/Prime has aproxately 400MB in size, it’s highly recommended to connect the phone to a stable WiFi network if available.
Download Lineage OS ROM for Redmi 3
2. Download Nougat Lineage OS Gapps
Lineage OS rom based on Android 7.1.1 with 64 bit architecture you can download these smallest compatibel GApps package with arm64 sdk 7.1, provided by opengapps.org
Download Gapps Nougat Lineage OS
3. Installing Nougat 7.1.1 Lineage OS on Xiaomi Redmi 3/Prime
How to Install Nougat 7.1.1 Lineage OS on Xiaomi Redmi 3 and adding GApps into Lineage OS.
Transfer both the Custom ROM and Nougat Lineage OS Gapps packages to the internal storage of your device.
Power off your device and boot into TWRP Recovery mode.
Once, you are into TWRP Recovery main menu, you need to make a hard reset. From the TWRP main menu tap on the wipe button and select Advanced Wipe. Then select all Dalvik cache, System, Data and Cache options.
Flash the custom ROM now. Choose the Install option from the recovery menu and choose the ROM zip from the file manager.
Reboot into revovery after completed, don't reboot into system yet.
Now, flash the Nougat Lineage OS Gapps package that you’ve downloaded before in the same way as you did with the custom ROM
Reboot the device into system and complete the initial setup. Enjoy Android Nougat 7.1 with Lineage 14.1 for Xiaomi Redmi 3
Now you know where you can download Nougat 7.1.1 Lineage OS for Redmi 3/Prime and install it on your smartphone.
You can also read how to enable native root access in Lineage OS here. In those guide also explained to you how to replace native root with supersu.
Please leave your review in the comment section. Or if you have problem, don't hesitate to write a question in the comment section of LineageOS 14.1 for Xiaomi Redmi 3/Prime Android Nougat 7.1.1