Galaxy Watch Ultra

Download Samsung Firmware SM-L705F

Samsung Galaxy Watch Ultra

The latest firmware for Samsung Galaxy Watch Ultra (SM-L705F) is L705FXXS3BZF4 with Android 16, released on July 9, 2026 for 24 regions (CSC). Every official firmware build for SM-L705F, newest first: one row per build with all regions (CSC) that received it.

Latest build
L705FXXS3BZF4 Android 16 · 3 months ago
Builds
15 builds
Regions (CSC)
25 regions

Firmware builds for SM-L705F

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/L705FXXS3BZF4

SM-L705F update history

SM-L705F started on Android 14 and has received 1 major Android upgrade; it now runs Android 16. The newest build, L705FXXS3BZF4, was released on July 9, 2026 with the July 2026 security patch. That patch (SMR Jul-2026) fixes 53 vulnerabilities, 6 of them critical. Over the last 12 months SM-L705F received 5 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
Processor frequency
1600 MHz
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

Changelog for SM-L705F

• 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.

One UI 8 Watch Upgrade
Get things done

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...

• The usability of device operations has been improved.

• Stability and reliability
The stability has been improved.
• Security
The device is protected with improved security.

Show 4 older builds

• Stability and reliability
The stability has been improved.

• Stability and reliability
The stability has been improved.
• Google Security patch
The device is protected with improved security.

• Stability and reliability
The stability has been improved.

• Stability and reliability
- Battery charging stability has been improved.
- Battery stability has been improved.
- Overall device stability has been improved.

1 retail code (SKU)

Box codes of SM-L705F for different colors and markets. Firmware is chosen by the model code SM-L705F and your region (CSC), not by the SKU.

  • SM-L705FZB2DBT

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-L705F?

The newest firmware for SM-L705F runs Android 16: build L705FXXS3BZF4, released on July 9, 2026.

When did SM-L705F get its last update?

The latest build for SM-L705F, L705FXXS3BZF4, was released on July 9, 2026 (3 months ago).

How often does SM-L705F get updates?

Over the last 12 months SM-L705F received 5 builds, with at least one new build in 4 different months.

Is the firmware for SM-L705F official?

Yes, all firmware files for SM-L705F are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-L705F using Odin?

To flash SM-L705F, 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-L705F?

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-L705F.