Download Link: bootanimation.zip
How to install:
1: Open Root Browser/Mi File Explorer/ES File Explorer.
2: Goto data/local.
3: If you find a file named bootanimation.zip then create a backup of it! and paste the bootanimation.zip in that folder
4: If no bootanimation.zip found in that folder then dont't worry just paste the bootanimation.zip (DOWNLOADED) in the folder!