OEM / ODM Service
June 6, 2017
NO.1 F1 Firmware/App
June 6, 2017

Firmware & App of NO.1 Smartwatch

We will upgrade all firmware here, if you have problem about how upgrade firmware or some bug want to know how solve, visit our technology blog: www.chinawatchs.com

Also you can email to us : sale[at]001phone.cn