Samsung Galaxy A40 (SM-A405FN) Firmware Overview
What is the latest SM-A405FN firmware?
A405FNXXU4CWC3, released May 5, 2023 for region FTM with Android 11. It is a feature update on bootloader binary 4. The archive holds 1 official build for this region.
Is the Samsung Galaxy A40 still getting updates?
Most likely not: there has been no new firmware since May 2023, so Android 11 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-A405FN firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 4:
- Binary 4 — since Mar 2023
SM-A405FN firmware for region FTM
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
A405FNXXU4CWC3
Feature update
|
4 | FTM | 11 |
2023-05-05 | Download |
How to Flash SM-A405FN Firmware
Put the Samsung Galaxy A40 into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 4 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.