
Samsung Galaxy A20
The latest firmware for Samsung Galaxy A20 (SM-A205GN) is A205GNDXUBCWF2 with Android 11, released on July 10, 2023 for 1 region (CSC). Every official firmware build for SM-A205GN, 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/A205GNDXUBCWF2
SM-A205GN started on Android 9 and has received 2 major Android upgrades; it now runs Android 11. The newest build, A205GNDXUBCWF2, was released on July 10, 2023 with the March 2023 security patch. No new build has appeared for 40 months, so regular updates for this model have most likely ended.
Specifications of SM-A205G, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Stability and reliability
Device behavior has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· The security of your device has been improved.
• Overall stability of your device has been improved.
• The security of your device has been improved.
One UI 3.1 Upgrade (Android 11)
One UI 3.1 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 3.1 puts control in your hands with new privacy controls, one-time permissions, and enhanced Digital Wellbeing....
• The security of your device has been improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
The exact changes may differ depending on your device model, country/Region, and service provider.
• Other bug fixes
- Overall stability of functions improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
· The security of your device has been improved.
The exact changes may differ depending on your device model, country/Region, and service provider.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
• The security of your device has been improved.
The exact changes may differ depending on your device model, country/Region, and service provider.
• Other bug fixes
- Overall stability of functions improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
· The security of your device has been improved.
• The stability of Camera has been improved.
• Improved battery charging algorithm and stability
· The security of your device has been improved.
• Other bug fixes
- The stability of contacts APP is improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
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...
• Other bug fixes
- The stability of contacts APP is improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.
· The security of your device has been improved.
※ If your device is encrypted, it must be decrypted before upgrading.

SM-A205YN

SM-A207M

SM-A202K

SM-A300XU

SM-A215U1
The newest firmware for SM-A205GN runs Android 11: build A205GNDXUBCWF2, released on July 10, 2023.
The latest build for SM-A205GN, A205GNDXUBCWF2, was released on July 10, 2023 (3 years ago).
SM-A205GN has had no new firmware for 40 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A205GN are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A205GN, 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-A205GN.