Huawei P30 was released in 2019 and is technically already end of its life for software support. Mostly android flagships only get 2 major updates but Huawei is pushing HarmonyOS for P30. But this update is only available for Chinese versions. Global users got EMUI 12 while the Chinese variants got HarmonyOS. If you have a Chinese model and looking to reinstall harmonyOS on your phone then you can download stock firmware from the link below. Reinstalling firmware can help you to restore device performance if apps are crashing or the phone is lagging.

Huawei P30 HarmonyOS Firmware Details:

• Android Version: 10 AOSP
• Firmware Version: HarmonyOS 2.0
• Build Number: ELE-AL00 102.0.0.209(C00E205R3P3)
• Supported Model: ELE-AL00 (China)
• Update Type: Official Stock Firmware
• Download Link: Click Here
• File Password=https://ministryofsolutions.com ELEHOS
• Note: always copy-paste the password, for faster download speed use the Internet download manager

Installation Guide:

• Backup all essential data from the phone
• Charge the battery up to 50%
• The phone must be running EMUI 11 or HarmonyOS
• Get an OTG flash drive with 8GB of free space
• Extract the downloaded firmware zip file (password=https://ministryofsolutions.com ELEHOS)
• Connect OTG to the phone
• Power off the phone, hold the volume up and connect the cable, the phone will enter recovery mode
• Select update mode> OTG update

Note: Everything you do at your responsibility, this guide is provided for free without any guarantee.