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Original Motherboard for Samsung Galaxy Watch, 100% Tested, 46mm, 42mm, SM-R810, SM-R800 - AliExpress
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Amazon.com: HUAYUWA Smartwatch Motherboard Main Board Compatible for Samsung Galaxy Watch Active SM-R500 40mm Repair Parts Accessories : Cell Phones & Accessories
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Samsung Galaxy Watch4 Classic Motherboard | Samsung Watch 4 Main Board Motherboard - Mobile Phone Antenna - Aliexpress
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