Samsung appears to be prepping a successor to the Galaxy A51 5G. Predictably called the Galaxy A52 5G, the device seemingly features a Qualcomm Snapdragon 750G chipset and 6 GB of RAM.
https://www.notebookcheck.net/The-Samsung-Galaxy-A52-5G-appears-on-Geekbench-with-a-Qualcomm-Snapdragon-750G-and-6-GB-of-RAM.503604.0.html