scenario: the native app, developed by us signs-reinforces-re-signs in the 360App Market. After verification, Huawei mobile phone (model and other information is not clear, customer"s) is prompted with a signature error when downloading and installing. This is the second app that encountered this problem. I don"t think it is an accidental incident, but there is no solution. Huawei manufacturer is the most important factor. Xiaomi mobile phone is fine; I haven"t tried to install apk to Huawei mobile phone directly, bypassing the app market