Following the same, the Redmi Note 4X was found listed on Chinese certification regulatory authority TENAA website lately. The images leaked by TENAA reveal that the upcoming device looks familiar to its predecessor with metal build and fingerprint scanner beneath the camera module.
Major difference between the Redmi Note 4 and the Redmi Note 4X is visible when it comes to specifications. According to TENAA website, the new Redmi Note smartphone will come with upgraded processor, and extra RAM and storage capacity.

To be updated...