Central Asian customers also receiving EMUI 12 updates for Huawei P20. If your device’s build number has a C461 cust version then you are eligible to install this update. The phone must be running the latest EMUI 10 before you attempt this update. This update is strictly for the EML-L29 dual sim variant. Don’t try it on a single sim phone.

Changelog:

• This update introduces EMUI 12, providing you with an intuitive interface, a multi-device section in the Control Panel, and various useful functions.

Huawei P20 update requirements:

• Disable/Deactivate antivirus/windows defender (Very Important)
• The phone must be running the latest EMUI 10
• Your phone must have cust version C461 (check build number)
• The battery must be charged up to 60%
• Good quality USB cable
• Windows 10 / 11 computer
• Hisuite 11.0.0.610 OVE must be installed Download From This LINK
• Download Hisuite Proxy V3.1.3 from THIS LINK
• Connect phone in Hisuite

Installation Process:

• Extract the Hisuite Proxy V3.X.X
• Run Hisuite proxy, make sure you allow firewall access when it asks
• Tap on the ” Setup “ button in the Hsiuite proxy.
• Tick “Override IMEI”
• Make sure you tick in “Target build number”
• if your phone is a dual sim copy EML-L29-LGRP2-OVS 102.0.0.223(C461E2R1P1)
• paste it in the “Target Package Build Number” section
• Must tick ” Force Auth Bridge “
• Open Hisuite again and connect your phone, check for updates in Hisuite 
• Start installation
• For your ease, please see the screenshots below

Important: If installation fails at 99%, set the date of your computer to 01-September-2023, and run the update again, it will succeed.

Watch the video for more help

Credit: Huawei Firmfinder Team

Note: Everything you do at your responsibility, this guide is provided for free without any guarantee.