Support

featured HAYLOU FUN 4.0: A Fresh Look and Smarter Everyday Features

Discover HAYLOU FUN 4.0, featuring a refreshed UI, dark mode, workout calendar, weight tracking, HRV insights and quick replies on supported watches.

On Oct 23, 2026 by Haylou Official

HAYLOU Watch Face Guide：How to Change Built-in, Online, and Custom Watch Faces

Explore built-in, online, and custom watch faces with HAYLOU. Learn how to switch styles and personalize your smartwatch using the HAYLOU FUN app.

On Oct 15, 2026 by Haylou Official

HAYLOU Flowbuds N55 App Connection Guide

To enjoy the complete experience of your HAYLOU Flowbuds N55, including customized settings and additional features, please make sure your earbuds are running the latest firmware version.

On Aug 09, 2026 by Haylou Official

HAYLOU Flowbuds N55 Troubleshooting Guide

Can't connect your HAYLOU Flowbuds N55 to the app? Learn how to fix Bluetooth pairing issues, reconnect your earbuds, and reset your device.

On Jul 17, 2026 by Haylou Official

How to Download and Install the HAYLOU App (Step-by-Step Guide)

Download and install the HAYLOU FUN app for smartwatches and HAYLOU Sound for earbuds on Android and iOS. Follow this quick step-by-step guide to set up your devices easily and...

On Apr 09, 2026 by Haylou Official