Huawei Nova 5i Pro users getting the April 2020 security patch update with version number EMUI 126.96.36.199. This update optimizes the system and improved system security using Android security patches. (Version Update: 188.8.131.52 → 184.108.40.206).
Download Nova 5i Pro EMUI 220.127.116.11, just tap on Settings > System > Software update > Check for Updates and Download it!
Or, You can also get this update via the Hicare app: HiCare > Services -> Update > Check for updates.