When do I need to download a mirror?

As a copy of a file, an image can help us solve many problems.

1. If you need to initialize your system or flash your phone, you can download the image file and burn it. 2.

2. If you are looking for a feature pack, such as ROS, you can download an image. 3.

3. if the original image file is corrupted, you need to download the image file again and burn it.