Huawei has started rolling out EMUI 10.0.0.200 version for the Huawei P30 and Huawei P30 Pro smartphone users. The latest version brings April 2020 security patch update.
This update optimizes the system and improved system security using Android security patches.
Download Huawei P30 series EMUI 10.0.0.200, just tap on Settings > System > Software update > Check for Updates and Download it!
Or, You can also get this update via the Support app: HiCare > Services -> Update > Check for updates.
Source: Huawei Update