Smart Switch does not usually delete data from the source device, it mainly copies the data to the target device. However, in some cases, certain types of data may be automatically deleted after transmission, so be sure to back up important data before use.

Yes, the Smart Switch can help you back up your data. You can choose the type of data you want to back up and save it to your computer or cloud storage service.

The data transfer speed depends on the speed of your network connection and the amount of data transferred. In general, Smart Switch provides fast and stable data transfer speeds.