1, download failure will be cancelled automatically. It may be that there is no memory or the network is disconnected, which leads to the download failure, and then you can't see the download list after automatic cancellation. In this case, you can check the memory of the network and mobile phone.

2. There is a virus in the system, resulting in the abnormal disappearance of software and applications. In this case, you can check the security of your mobile phone.

3. It may be that the system entered the safe mode, or the downloaded old version of the software failed, resulting in the download failure.

4. There is something wrong with the downloaded installation package, and the download will fail if the software itself is damaged. In this case, you can change the download channel.