CODES HUAWEI Mate 20 Pro Mate 20 - Secret / Hidden Mode -Gsm Guide

The list of secret codes for HUAWEI Mate 20 Pro. Let's open the Phone's Dialer and type in the combination of sings to open secret modes. After watching video you can get access to such hidden modes as Project Mode, About phone How to use secret codes on HUAWEI Mate 20 Pro? How to open hidden mode in HUAWEI Mate 20 Pro? How to get access to hidden mode in HUAWEI Mate 20 Pro? How to use secret function in HUAWEI Mate 20 Pro? Which codes works on HUAWEI Mate 20 Pro?