Huawei Watch GT 2 gets new optimizations with 11.0.15.10 firmware - Huawei Central
Update Firmware DZ09 MTK6261 (JUST IN CASE OF YOUR SMARTWATCH IS NOT WORKING) - YouTube
Xiaomi Mi Watch Lite 4.1.20 update brings features like smart DND, mute switch for calls, & more - Gizmochina
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DZ09 Firmware: Download & Install Firmware on DZ09, APLUS, and GT08