Samsung Galaxy A40 Sm-a405fn R(android 11) (bit... Today

Enhanced dynamic memory allocation to help apps run more smoothly on the 4GB RAM hardware.

The Samsung Galaxy A40 (SM-A405FN) Go to product viewer dialog for this item. Samsung Galaxy A40 SM-A405FN R(Android 11) (BIT...

Improved autofocus and enhanced photo/video editor features. Enhanced dynamic memory allocation to help apps run

received its final major OS upgrade with , running Samsung’s One UI 3.1 . This update represents the peak official software for the device, as Samsung concluded support for this model in June 2023 . Firmware & "BIT" Revision received its final major OS upgrade with ,

Easier adjustment of the Always-On Display (AoD) and Lock Screen settings. Hardware Specifications

When looking for specific firmware, the "BIT" (binary) version is critical. You cannot downgrade a phone to a firmware version with a lower BIT number than what is currently installed.

Found in later security updates and final stable builds (e.g., build A405FNXXU4CWC3 released in April 2023). Android 11 (One UI 3.1) Key Features