![Huawei announces HarmonyOS 4 public beta for 12 smartphones including the P30 and Mate 20 series along with several smartwatches - Gizmochina Huawei announces HarmonyOS 4 public beta for 12 smartphones including the P30 and Mate 20 series along with several smartwatches - Gizmochina](https://www.gizmochina.com/wp-content/uploads/2024/02/HarmonyOS-4.jpg)
Huawei announces HarmonyOS 4 public beta for 12 smartphones including the P30 and Mate 20 series along with several smartwatches - Gizmochina
![Tout savoir sur Huawei HarmonyOS : kézako, premières impressions et appareils compatibles - CNET France Tout savoir sur Huawei HarmonyOS : kézako, premières impressions et appareils compatibles - CNET France](https://sf.cnetfrance.fr/wp-content/uploads/cnet/2023/05/huawei-watch-3-harmony-os-770.jpg)
Tout savoir sur Huawei HarmonyOS : kézako, premières impressions et appareils compatibles - CNET France
![HarmonyOS 2 beta for Huawei P30 devices rolling out, once a GMS phone now adopts new operating system - Huawei Central HarmonyOS 2 beta for Huawei P30 devices rolling out, once a GMS phone now adopts new operating system - Huawei Central](https://www.huaweicentral.com/wp-content/uploads/2021/06/huawei-p30-harmonyos-home-screen-img-5.jpg)
HarmonyOS 2 beta for Huawei P30 devices rolling out, once a GMS phone now adopts new operating system - Huawei Central
![HC Newsroom على X: "Huawei P30, Mate 20 Series and more enters HarmonyOS 2 public beta, check the devices #HuaweiP30 #HuaweiMate20 #Huawei #HarmonyOS #HongmengOS https://t.co/YuvEpnfzux https://t.co/mSgLXInWUX" / X HC Newsroom على X: "Huawei P30, Mate 20 Series and more enters HarmonyOS 2 public beta, check the devices #HuaweiP30 #HuaweiMate20 #Huawei #HarmonyOS #HongmengOS https://t.co/YuvEpnfzux https://t.co/mSgLXInWUX" / X](https://pbs.twimg.com/media/E5HtzSkUUAUAoJO.jpg)