MIUI 8 China Developer ROM and Global Developer are both are available to install on Xiaomi Redmi Note 3.
This article will demonstrate how to install MIUI 8 on Xiaomi Redmi Note 3 without unlocking bootloader and with no data loss.
Important Note: This method is applicable for both Snapdragon and MediaTek variant and makes sure your device has at least 60% charge.
How to install MIUI 8 on Redmi Note 3 without unlocking bootloader:
Before you proceed, make a local backup of your app and data. To do this Go to “Settings-> Additional Settings-> Backup and Reset->Local Backup”. Then hit the backup button and make sure both system and apps are selected. Wait until the process is completed.
Download the MIUI ROM zip file. Click here to download MIUI 8 for Redmi Note 3. Put the ROM into the internal memory (not inside any folder).
After that Go to the Updater app and click on the three-dot menu above. Then select “Choose updater package” and navigate to your downloaded ROM file and select it. Then hit ok.
Make sure your mobile data or Wi-Fi is enabled because MIUI will verify the zip file. When verification will be done there will a pop-up showing “Erase and Update”. Just click on that.
The installation process will begin. Your device may restart several times during installation. Just wait for completing the whole process.
Here is the video showing how to install MIUI 8 on Redmi Note 3 without unlocking bootloader: