Download Samsung Firmware SM-L705U
Samsung Galaxy Watch Ultra
The latest firmware for Samsung Galaxy Watch Ultra (SM-L705U) is L705USQS3BZF4 with Android 16, released on July 13, 2026 for 1 region (CSC). Every official firmware build for SM-L705U, newest first: one row per build with all regions (CSC) that received it.
- Latest build
- L705USQS3BZF4
- Builds
- 10 builds
- Regions (CSC)
- 1 region
Firmware builds for SM-L705U
SM-L705U update history
SM-L705U started on Android 14 and has received 1 major Android upgrade; it now runs Android 16. The newest build, L705USQS3BZF4, was released on July 13, 2026 with the July 2026 security patch. Over the last 12 months SM-L705U received 4 builds, spread over 4 different months.
Device specifications
- Launched with
- Wear OS
- Display diagonal
- 3.81 cm (1.5")
- Display technology
- AMOLED
- Display resolution
- 480 x 480 pixels
- RAM
- 2000 MB
- Flash memory
- 64 GB
- Battery capacity
- 590 mAh
- Weight
- 60.5 g
- Band material
- Titanium
- Band colour
- Blue
- Band size
- One Size
Specifications of SM-L705F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
Changelog for SM-L705U
• 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
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.
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.
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.
These changes may vary depending on the model, country, or network operator of the customer environment.
Show 7 older builds
• Stability and reliability
Device behavior has been improved.
These changes may vary depending on the model, country, or network operator of the customer environment.
Stay on top of important tasks with the Now bar
Check the information you need right now and start essential features straight from your watch face. Ongoing tasks will appear in the Now bar at the bottom of your watch face so you can check key information quickly.
Do more with double pinch
Just pinch your thumb and index finger together twice to scroll through notifications, control music, take pictures, and more. You can also customize what happens wh...
• Stability and reliability
The stability has been improved.
• Security
The device is protected with improved security.
• Stability and reliability
The stability has been improved.
• Google Security patch
The device is protected with improved security.
• Stability and reliability
- Battery charging stability has been improved.
- Battery stability has been improved.
- Overall device stability has been improved.
Frequently Asked Questions
What is the latest Android version for SM-L705U?
The newest firmware for SM-L705U runs Android 16: build L705USQS3BZF4, released on July 13, 2026.
When did SM-L705U get its last update?
The latest build for SM-L705U, L705USQS3BZF4, was released on July 13, 2026 (3 months ago).
How often does SM-L705U get updates?
Over the last 12 months SM-L705U received 4 builds, with at least one new build in 4 different months.
Is the firmware for SM-L705U official?
Yes, all firmware files for SM-L705U are 100% official, original, and obtained directly from Samsung servers.
How to flash Samsung SM-L705U using Odin?
To flash SM-L705U, 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.
Can I downgrade the Android version on SM-L705U?
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-L705U.