It's not an exact copy of all the data. For example random downloaded files don't get backed up and restored unless you migrate from an old device[0]. It would

It's not an exact copy of all the data. For example random downloaded files don't get backed up and restored unless you migrate from an old device[0]. It would be nice to be able to do a full device local backup and restore. [0]https://support.google.com/android/answer/6193424?hl=en https://support.google.com/android/answer/6193424?hl=en