Official Huawei P40 Lite E ART-L28 / ART-L29 Midnight Black Volume Key - 5166...
(Fits: Huawei P40 Lite E ART-L28 / ART-L29. These checks are pivotal to help prevent credit card fraud). It is not always compulsory for the card holder to sign for any goods ordered. OEM parts are easier to fit than copy/generic parts.