Huawei mate9 cannot download the software. What's going on here?

Sometimes when downloading software, you don't download the corresponding software according to the model of your mobile phone. If the software does not support your phone model, you will not be able to install the software. At this time, just download the software that supports your mobile phone model.

When downloading mobile phone software, sometimes incomplete software download will lead to errors during installation, so just delete the incomplete software and download the complete software to continue installation.

When the certificate of downloading software expires, the software will not be installed. At this time, you can adjust the time and date of the mobile phone to the time before the expiration of the software certificate, as far as possible a few months in advance, so that you will be fine after installing the software, and then adjust the time of the mobile phone back after installing the software.

When the memory of the mobile phone or mobile phone memory card is full, the mobile phone will not be able to install the software. At this time, you can clean up some junk files or unused software in your mobile phone and memory card, and you will be fine after installing the software.

When installing mobile phone software, if there is an old version of this software in the mobile phone, there will be a software installation error. At this time, just uninstall the old version of the software and install the new software.