Samsung Galaxy Watch Ultra

Released Jul 2024 · 5 model codes · firmware for 66 CSC regions

Display size: 1.5"
RAM: 2 GB
Battery: 590 mAh

Download firmware Update history Specifications

Software support

Update policyQuarterly security updatesOn Samsung's current security update list

Security updates untilDec 31, 2030As published by Samsung

Latest official updateOne UI 8 Watch · Wear OS 6L705FXXS3BZF4 · Jul 15, 2026

Security patch levelJuly 2026Monthly release fixed 64 vulnerabilities

Choose your model

Firmware is specific to the model code. Find yours on the box or in Settings › About phone, then pick it below.

ModelSold inFirmwareLatest build

SM-L705F · Galaxy Watch Ultra (2025) (LTE, 47 mm)Sold in48 countriesFirmware51 CSCs · 572 buildsLatest buildL705FXXS3BZF4 · Jun 24, 2026→

Software updates

One UI and Android versions of the Galaxy Watch Ultra, with the first release of each.

Jul 2025
One UI 8 Watch · Wear OS 6
Official release: L705USQU1BYFE (SM-L705U)
Jun 2025
Android 16
First firmware build: L7050ZCU1BYFE (SM-L7050)
Jun 2024
Android 14
First firmware build: L705FXXU1AXFB (SM-L705F)

Specifications

As published by Samsung for the SM-L705F; other model codes can differ (chipset, network bands).

Display

Display size: 1.5" (37.3mm)
Resolution: 480 x 480
Display type: Super AMOLED

Platform

CPU speed: 1.6GHz, 1.5GHz
CPU cores: Penta-Core

Memory

RAM: 2 GB
Storage: 64 GB

Battery

Battery: 590 mAh

Body

Dimensions: 47.4 x 47.1 x 12.1 mm

Connectivity

Network: 3G WCDMA, 4G LTE FDD, 4G LTE TDD
4G bands: B40(2300); B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B14(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B66(AWS-3), B71(600)
SIM: Embedded-SIM
Wi-Fi: 802.11a/b/g/n 2.4GHz+5GHz
Bluetooth: Bluetooth v5.3

Where it's sold

Sold in 74 countries.

Europe35

Albania
Austria
Azerbaijan
Belgium
Bosnia & Herzegovina
Bulgaria
Croatia
Czechia
Denmark
Estonia
Finland
France
Germany