The company has started rolling out the latest EMUI update to its, Huawei Mate 20 and Mate 20 Pro smartphones, Both devices receiving December 2019 security patch with EMUI version 126.96.36.1992. The update size is around 100MB.
To download and install Huawei Mate 20 series EMUI 188.8.131.522 update, just tap on Settings > System > Software update > Check for Updates > Download.
Or, You can also get this update via the Hicare app: HiCare > Update > Check for updates.
Or, Open the HiCare app > Log in > Select country/region > Agree to the User Agreement and Privacy Notice > Update > Request update > Apply > Checking for new system update > Download and install.
Related: EMUI 10 December 2019 Update List