Samsung has upgraded the Galaxy M21 with the...Galaxy M21. This new version of the 2020 phone has most of the original's features, its massive 6,000mAh battery included. However, it also offers a new rear panel with an updated 48MP primary camera. It will be released to the Indian market on July 26, 2021.
https://www.notebookcheck.net/Samsung-refreshes-the-6-000mAh-Galaxy-M21-for-2021-with-some-spec-bumps-and-a-new-starting-price.551847.0.html