Yes, very simple and straight forward. No need VPN, pull out simcard, turn off location, download firmware, or whatsoever.
1. Set region in system language & region to China. No need to change language.
2. Set country/region in App Gallery to China. Update app.
3. Set country/region in My Huawei to China. Update app.
4. Force stop both apps, and clear cache and clear data.
5. Restart phone.
6. Open both apps and make sure is set to China country/region.
7. Clear cache in My Huawei app before Tap the red button
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8. Tap blue "try it now" button in Chinese. It will go to system update page and automatically check for update. If no harmony os update available, try check for update every 24 hours is enough.
9. If I in Malaysia can updated, I believe everyone can update to the Harmony os using this method.
10. Don't change the country/region yet. Patience to check update and clear in app My Huawei cache every 24 hours
no need to check every minute