
Samsung Galaxy A42 5G
The latest firmware for Samsung Galaxy A42 5G (SM-A426U1) is A426U1UEU9EXF4 with Android 13, released on July 18, 2024 for 1 region (CSC). Every official firmware build for SM-A426U1, 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/A426U1UEU9EXF4
SM-A426U1 started on Android 11 and has received 2 major Android upgrades; it now runs Android 13. The newest build, A426U1UEU9EXF4, was released on July 18, 2024 with the June 2024 security patch. That patch (SMR Jun-2024) fixes 53 vulnerabilities, 1 of them critical. No new build has appeared for 27 months, so regular updates for this model have most likely ended.
Specifications of SM-A426B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• The security of your device has been improved.
• Security
The device is protected with improved security.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• Software and Terms & Conditions Update
IMPORTANT INFORMATION: This update includes revised Terms & Conditions for your device, including the Dispute Resolution Agreement with arbitration terms. For more information, review https://www.samsung.com/us/support/legal/mobile/.
By clicking “Install now,” by scheduling your install, or by continuing to use your device after installation, you agree to these revised Terms & Conditions.
• Stability and reliability
Device behavior has been improved.
•...
• Overall stability of your device has been improved.
• The security of your device has been improved.
• Software and Terms & Conditions Update
IMPORTANT INFORMATION: This update includes revised Terms & Conditions for your device, including the Dispute Resolution Agreement with arbitration terms. For more information, review https://www.samsung.com/us/support/legal/mobile/.
By clicking “Install now,” by scheduling your install, or by continuing to use your device after installation, you agree to these revised Terms & Conditions.
• Stability and reliability
Device behavior has been improved.
•...
IMPORTANT INFORMATION: This update includes revised Terms & Conditions for your device, including the Dispute Resolution Agreement with arbitration terms. For more information, review https://www.samsung.com/us/support/legal/mobile/.
By clicking “Install now,” by scheduling your install, or by continuing to use your device after installation, you agree to these revised Terms & Conditions.
• Security
The device is protected with improved security.
• Overall stability of your device has been improved.
• The security of your device has been improved.
• The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.
Quickly change the color tone for selfies
It's easier to change the color tone of your selfies using the Effects button at the top of the screen.
More powerful search
You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tapping...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.
New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.
Smoother than ever before
New animations and transition effects make sw...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
One UI 5 brings you more powerful personalization and makes it easier to get things done across your Galaxy devices.
New app icons and illustrations
Icon symbols are larger for a bolder look that's easier to scan. Subtle background gradients and improved contrast give a fresher, more natural feel. New help illustrations have been created to give a consistent look to all apps.
Smoother than ever before
New animations and transition effects make sw...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Cover screen access to the things you do the most
Take portrait selfies, check your monthly calendar, and control key settings like Wi-Fi, Bluetooth, Airplane mode, and Flashlight, all without opening your phone.
More ways to reply to messages
From the cover screen, send a quick emoji or enter text using your voice.
Call your favorite contacts from the cover screen
The Direct dial widget lets you add contacts to your cover screen so you...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
• The security of your device has been improved.
One UI 4.1 brings you a wide array of new features and enhancements for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.
Customize your phone with unique colors based on your wallpaper. Your colors will be applied to menus, buttons, backgrounds, and apps throughout your phone.
One UI 4.1 offers strong privacy protection to make sure your personal information doesn’t fall in...
One UI 4 brings you a wide array of new features and enhancements for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.
Customize your phone with unique colors based on your wallpaper. Your colors will be applied to menus, buttons, backgrounds, and apps throughout your phone.
One UI 4 offers strong privacy protection to make sure your personal information doesn’t fall into the...
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
• The security of your device has been improved.
· The security of your device has been improved.

SM-A426N

SM-A526N

SM-A520X

SM-A320X

SM-A528N
The newest firmware for SM-A426U1 runs Android 13: build A426U1UEU9EXF4, released on July 18, 2024.
The latest build for SM-A426U1, A426U1UEU9EXF4, was released on July 18, 2024 (2 years ago).
SM-A426U1 has had no new firmware for 27 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A426U1 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A426U1, 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-A426U1.