Samsung Galaxy A13 A135USQSFEZB2 Firmware
Samsung Galaxy A13 A135USQSFEZB2 is an Android 14 firmware for 5 countries, 9 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build A135USQSEEYK1 https://samfirm.shop/build/A135USQSEEYK1: bootloader binary raised from E (14) to F (15), so after installing it there is no way back to older builds; security patch 2026-02-05 instead of 2025-11-01. This is the newest build for SM-A135U.
Bootloader binary F (15). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
No matching downloads
How to flash A135USQSFEZB2
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- A135USQSFEZB2 has bootloader binary F (15). Your device must run binary F (15) or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
What's new in A135USQSFEZB2
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
Security patch: February 2026
SMR Feb-2026 fixes 32 vulnerabilities, 0 of them critical. Android Security Bulletin: 25, Samsung-specific issues (SVE): 7.
Most severe Samsung fixes:
- high Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning. (CVE-2026-20977)
- high Improper export of android application components in Samsung Dialer prior to SMR Feb-2026 Release 1 allows local attackers to launch arbitrary activity with Samsung Dialer privilege. (CVE-2026-20983)
- high Improper authorization in KnoxGuardManager prior to SMR Feb-2026 Release 1 allows local attackers to bypass the persistence configuration of the application. (CVE-2026-20978)
Rollout of A135USQSFEZB2 by region
- First release
- March 12, 2026
- Last region
- March 16, 2026
- Duration
- 5 days
- Regions
- 9
- Day 1 · · 8 regionsUnited StatesAIOTMBTMKVZWAPPDSADSHVPP
- Day 5 · · 1 regionUnited StatesUSC
Device specifications
- Launched withAndroid 12
- Display diagonal16.8 cm (6.6")
- Display resolution1080 x 2408 pixels
- RAM4 GB
- Rear camera resolution50 MP
- Rear camera typeQuad camera
- Battery capacity5000 mAh
- Weight195 g
Specifications of SM-A135F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
Frequently Asked Questions
Other builds and changelog for Samsung Galaxy A13
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
- A135USQSFEZB2Mar 11, 2026
- A135USQSEEYK1Dec 2, 2025
- A135USQSDEYH2Sep 2, 2025
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.
- A135USQSBEYA1Feb 14, 2025
- A135USQSBEXK1Nov 20, 2024
- A135USQSAEXJ1Oct 24, 2024
• 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...
- A135USQU8EXF3Jul 15, 2024
- A135USQU8EXF2Jul 8, 2024
Show 10 older builds
• The security of your device has been improved.
Effortlessly enhance your photos
Get special AI recommendations for enhancing your photos and videos. You'll find options for adding star trails, long exposure, colorizing, and more. Suggestions appear when you tap the i button in Gallery.
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...
• 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...
• Security
The device is protected with improved security.
- A135USQS7CWK3Nov 29, 2023
- A135USQS6CWH6Sep 19, 2023
• 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.
•...