目录

Version Overview

HarmonyOS 5.1.0(18) delivers enhanced ArkUI component features with more granular control options and improved flexibility in accessing critical application processes and data while maintaining robust security.

It is the first-ever HarmonyOS version to support the development of smart wearables, with new ArkUI components specifically designed for circular watch faces.

For more details, see New and Enhanced Features of the OS and New and Enhanced Features of DevEco Studio.

Version Information

Correct version mappings allow for a smoother experience in application development.

Before reading the version updates and changes, ensure that the version mapping is consistent with the developer suite you are using.

[h2]5.1.0(18) Release Developer Suite

Software Package

Release Type

Version

Release Date

API version

Release

5.1.0(18)

*Note: The range of API capabilities supported by the device system is determined by its API version.

2025/06/11

DevEco Studio

Release

DevEco Studio 5.1.0 Release (5.1.0.849)

(Patch release)

2025/08/14

DevEco Studio 5.1.0 Release (5.1.0.840)

(Patch release)

2025/07/04

DevEco Studio 5.1.0 Release (5.1.0.828SP1)

(Patch release)

2025/06/23

DevEco Studio 5.1.0 Release (5.1.0.828)

2025/06/11

SDK

Release

HarmonyOS 5.1.0 Release SDK

Based on OpenHarmony SDK Ohos_sdk_public 5.1.0.110 (API 18 Release)

2025/06/11

  • HarmonyOS 5.1.0(18) is exclusively available on HUAWEI Watch 5 series smart wearables, HUAWEI Pura 80 series smartphones, and some Mate 60 series phones to which the version is directly pushed. Developers using other devices may not be able to access the new features in this version.
  • To query the API version, click the device name in Settings of the device and go to About on the device.
  • To query the DevEco Studio version, choose Help > About DevEco Studio on DevEco Studio. To download the latest DevEco Studio version, click here.
  • The SDK is integrated into DevEco Studio, and the matched version is automatically installed when you install DevEco Studio. To query the SDK version, choose Help > About HarmonyOS SDK on DevEco Studio.