
Samsung Galaxy A13
The latest firmware for Samsung Galaxy A13 (SM-A135U1) is A135U1UESEEZB3 with Android 14, released on March 12, 2026 for 1 region (CSC). Every official firmware build for SM-A135U1, 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/A135U1UESEEZB3
SM-A135U1 started on Android 12 and has received 2 major Android upgrades; it now runs Android 14. The newest build, A135U1UESEEZB3, was released on March 12, 2026 with the February 2026 security patch. That patch (SMR Feb-2026) fixes 32 vulnerabilities, 0 of them critical. No new build has appeared for 7 months, so regular updates for this model have most likely ended.
Specifications of SM-A135F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• The security of your device has been improved.
Copy and paste from one image to another
Add a missing element to your picture. Just clip an object from an image in Gallery, then go to the image where you want to paste it and choose Paste from clipboard in the More options menu.
More accurate image clipping
Get exactly the area you need to clip without any unwanted parts. When you clip an image in Gallery, you have the option of editing the selected area before you save it so you can get your selecti...
• Overall stability of your device has been improved.
• The security of your device has been improved.
New wallpaper editing features
Decorate your wallpaper however you like. When you select an image to use as your wallpaper, you can now apply frames and effects.
Customize alarm alerts
Use an image, video, or AR emoji to create your own custom alert screens for each alarm. You can even change the layout of where the alarm information appears on the screen.
More stickers to personalize your calendar
You can now add up to 2 stickers for each date on y...
• The security of your device has been improved.
New button layout
The quick panel has a new layout that makes it easier to access the features you use most. Wi-Fi and Bluetooth now have their own dedicated buttons at the top of the screen, while visual features, like Dark mode and Eye comfort shield have been moved to the bottom. Other quick settings buttons appear in a customizable area in the middle.
Instantly access the full quick panel
By default, a compact quick panel with notifications ap...
• The security of your device has been improved.
• Security
The device is protected with improved security.
· 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.
Discover Expert RAW
Expert RAW lets you take high-quality shots, perfect for those who want to have full control and edit photos later. Expert RAW is now easier to access from the M...
• 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.
•...
· The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

SM-A135N

SM-A136S

SM-A145MB

SM-A236V

SM-A146U1
The newest firmware for SM-A135U1 runs Android 14: build A135U1UESEEZB3, released on March 12, 2026.
The latest build for SM-A135U1, A135U1UESEEZB3, was released on March 12, 2026 (7 months ago).
SM-A135U1 has had no new firmware for 7 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A135U1 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A135U1, 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-A135U1.