The Redmi 13C 5G supports memory extension, up to 8GB. This feature is implemented through software technology and it uses part of the storage space as virtual memory to improve the system's multitasking capabilities and overall performance, reducing application crashes and system delays.
To extend the memory, you can go to [Settings] >> [Additional settings] >> [Memory extension] >> select as you need.
Note:
The Redmi 13C 5G also supports expandable storage via microSD card, up to 1TB. Using this function, you can freely expand storage space as needed to meet more data storage needs, such as photos, videos, music and large applications.