The update weighs around 564MB in size. The update is being rolled out via OTA (Over-the-air) and in a phased manner. Some Huawei P30 users are reportedly getting the April security. The update brings EMUI version 10.0.0.209. The update brings call improvements. The update size is 568MB.

Meanwhile, you can manually,  you can manually check for the update. If you own the device, you can manually check for the update, Go to System > Software update > Check for updates. or open HiCare app > Update > Check for updates. Via || Special thanks Rony and Alan

 April 2020 security patch  Huawei P30 and P30 Pro Security Update tracker - 63