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Samsung Galaxy Watch7 (SM-L300) Android 16 firmware update L300ZCU2BZC1 – China | SamFrew

Home / Devices / Galaxy Watch7 / SM-L300 / CHC

Galaxy Watch7

SM-L300

Release L300ZCU2BZC1

China · CHCAndroid 16Built 3/3/2026

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CHC-L300ZCU2BZC1-20260318135601.zip

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File size3.4 GB

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This file is also the factory firmware for this release.

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

PDA: L300ZCU2BZC1
CSC: L300CHC2BZC1
Country: China
Changelist: 33003255
Build date: 3/3/2026
Added to Samfrew: 3/15/2026