
Samsung Galaxy A40
The latest firmware for Samsung Galaxy A40 (SM-A405FM) is A405FMPUU4CWC3 with Android 11, released on April 28, 2023 for 1 region (CSC). Every official firmware build for SM-A405FM, 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/A405FMPUU4CWC3
SM-A405FM started on Android 9 and has received 2 major Android upgrades; it now runs Android 11. The newest build, A405FMPUU4CWC3, was released on April 28, 2023 with the March 2023 security patch. No new build has appeared for 42 months, so regular updates for this model have most likely ended.
Specifications of SM-A405F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Overall device performance has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall device performance has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• Overall device performance has been improved.
• The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• The SIM card detection stability has been improved.
• The stability of Camera has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall device performance has been improved.
• The security of your device has been improved.
• Improved stability. - Wi-Fi tethering
• Overall device performance has been improved.
• The security of your device has been improved.
• Overall stability of functions improved.
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.
Sc...
• The SIM card detection stability has been improved.
• The stability of Camera has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
• Overall stability of functions improved.
• The stability of Wallpaper has been improved.
• The SIM card detection stability has been improved.
• The stability of Camera has been improved.
• The security of your device has been improved.
• The SIM card detection stability has been improved.
• Improved system stability and reliability
One UI 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
- Enhanced image, text, and color adjustments for day and night environments.
- Dark...
· The performance of Camera has been improved
- 68 degree angle of view is now available when taking pictures with the front camera
- A new Burst shot function has been added
- A new SLOW MOTION function has been added
· The stability of Camera has been improved.
· A new Samsung Pay function has been added (Sweden, Switzerland, United Kingdom, Spain)
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· The security of your device has been improved.

SM-A405S

SM-A500X

SM-A300XU

SM-A507FN

SM-A505YN
The newest firmware for SM-A405FM runs Android 11: build A405FMPUU4CWC3, released on April 28, 2023.
The latest build for SM-A405FM, A405FMPUU4CWC3, was released on April 28, 2023 (3 years ago).
SM-A405FM has had no new firmware for 42 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A405FM are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A405FM, 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-A405FM.