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

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.

Modernized UI with more consistent icons, a redesigned quick panel, and improved notification organization. Samsung Galaxy A40 SM-A405FN R(Android 11) (BIT...

Easier adjustment of the Always-On Display (AoD) and Lock Screen settings. Hardware Specifications When looking for specific firmware, the "BIT" (binary)

Found in initial Android 11 releases (e.g., build A405FNXXU3CUC2 ). When looking for specific firmware