How do I get my Huawei p40 out of demo mode. Uncategorized January 15, 2022 Forums AndroidCentralLeave a Comment on How do I get my Huawei p40 out of demo mode. I bought a Huawei p40 privately only to find out its in demo mode. The phone can be opened without a code.. I can’t enter any security codes. Is it possible to take the phone out of demo mode. Sharing is caring!