
Samsung Galaxy M13
The latest firmware for Samsung Galaxy M13 (SM-M135M) is M135MUBSEEZE2 with Android 14, released on May 25, 2026 for 10 regions (CSC). Every official firmware build for SM-M135M, 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/M135MUBSEEZE2
SM-M135M started on Android 12 and has received 2 major Android upgrades; it now runs Android 14. The newest build, M135MUBSEEZE2, was released on May 25, 2026 with the May 2026 security patch. That patch (SMR May-2026) fixes 36 vulnerabilities, 2 of them critical. Updates have become rare: SM-M135M received 3 builds over the last 12 months, in 3 different months.
Specifications of SM-M135F, 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.
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.
More widgets for your Lock screen
Additional widgets are available for your Lock screen so you can quickly check useful information without unlocking your phone. The new widgets include Weather, Samsung Health, Battery, Reminder, Calendar, and Clock.
Customize alarm alerts
Use an image, vid...
• 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.
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...
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 without processing or compression, perfect for those who want to have full control and edit photos later. Expert RAW...
• The security of your device has been improved.
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 without processing or compression, perfect for those who want to have full control and edit photos later. Expert RAW...
• 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 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.

SM-M135FU

SM-M136B

SM-M145F

SM-M146B

SM-M236Q
The newest firmware for SM-M135M runs Android 14: build M135MUBSEEZE2, released on May 25, 2026.
The latest build for SM-M135M, M135MUBSEEZE2, was released on May 25, 2026 (5 months ago).
Over the last 12 months SM-M135M received 3 builds, with at least one new build in 3 different months.
Yes, all firmware files for SM-M135M are 100% official, original, and obtained directly from Samsung servers.
To flash SM-M135M, 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-M135M.