
Samsung Galaxy A03s
The latest firmware for Samsung Galaxy A03s (SM-S134DL) is S134DLUDSEDYI1 with Android 13, released on October 6, 2025 for 5 regions (CSC). Every official firmware build for SM-S134DL, newest first: one row per build with all regions (CSC) that received it.
SM-S134DL started on Android 11 and has received 2 major Android upgrades; it now runs Android 13. The newest build, S134DLUDSEDYI1, was released on October 6, 2025 with the July 2025 security patch. No new build has appeared for 12 months, so regular updates for this model have most likely ended.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
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.
One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.
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New app icons and illustrations
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Smoother than ever before
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One UI Core 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 Core 4.1 offers strong privacy protection to make sure your personal information...
The newest firmware for SM-S134DL runs Android 13: build S134DLUDSEDYI1, released on October 6, 2025.
The latest build for SM-S134DL, S134DLUDSEDYI1, was released on October 6, 2025 (1 year ago).
SM-S134DL has had no new firmware for 12 months, so regular updates have most likely ended.
Yes, all firmware files for SM-S134DL are 100% official, original, and obtained directly from Samsung servers.
To flash SM-S134DL, 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-S134DL.