1. Check whether the device is connected to the network normally, and check whether the network is smooth;
2. Shut down the device first and then restart it. Wait for a few minutes. The download process of the new software package will take a few minutes, which is normal;
3. During the update process, please do not shut down the device and ensure the power of the device. The software update will have an update process, which is a normal phenomenon.
4. Try changing the time period.