Samsung Galaxy Watch7

Released Jul 2024 · 9 model codes · firmware for 249 CSC regions

Software support

Update policyQuarterly security updatesOn Samsung's current security update list

Latest official updateOne UI 8 Watch · Wear OS 6L305FXXS3BZF4 · Jul 15, 2026

Security patch levelJuly 2026Monthly release fixed 64 vulnerabilities

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-L300 · Galaxy Watch7 (Bluetooth, 40mm)Sold in68 countriesFirmware72 CSCs · 806 buildsLatest buildL300XXS2BZF4 · Jun 24, 2026→

One UI and Android versions of the Galaxy Watch7, with the first release of each.

As published by Samsung for the SM-L305F; other model codes can differ (chipset, network bands).

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

Sold in 74 countries.