
Samsung Galaxy M40
The latest firmware for Samsung Galaxy M40 (SM-M405F) is M405FDDU2CXE1 with Android 11, released on June 11, 2024 for 4 regions (CSC). Every official firmware build for SM-M405F, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/M405FDDU2CXE1
SM-M405F started on Android 9 and has received 2 major Android upgrades; it now runs Android 11. The newest build, M405FDDU2CXE1, was released on June 11, 2024 with the June 2023 security patch. No new build has appeared for 28 months, so regular updates for this model have most likely ended.
• Overall stability of your device has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
One UI 3 Upgrade (Android 11)
One UI 3 is designed to help you focus on what matters. Our visual redesign has improved the places you visit the most, like the Home screen and quick panel, to reduce distractions, highlight important information, and make your experience more consistent. Performance improvements will help apps run quicker while using less battery power. And One UI 3 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing.
Scrol...
• The security of your device has been improved.
· The security of your device has been improved.
• The security of your device has been improved.
One UI Core 2 brings you Android 10, with exciting new features from Samsung and Google based on feedback from users like you.
We recommend that you back up your important data to keep it safe during the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health and Samsung Notes, need to be updated individually after you update your OS.
Here's what's new.
Dark mode
- Night mode name changed to Dark mode.
- Enhanced image, text, and color...
• The security of your device has been improved.
· The performance of Camera has been improved
- Added new feature. - QR scanner
· The security of your device has been improved.
· The performance of Face Recognition has been improved
· The performance of Camera has been improved
· The security of your device has been improved.

SM-M307FN

SM-M305M

SM-M426B

SM-M515F

SM-M317F
The newest firmware for SM-M405F runs Android 11: build M405FDDU2CXE1, released on June 11, 2024.
The latest build for SM-M405F, M405FDDU2CXE1, was released on June 11, 2024 (2 years ago).
SM-M405F has had no new firmware for 28 months, so regular updates have most likely ended.
Yes, all firmware files for SM-M405F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-M405F, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-M405F.