Open Settings . Select Phone > Phone management > Security settings > Protected content.

Select from the following:

Other devices can send you media files that are protected by digital rights management (DRM) and for which you need activation keys. Some activation keys contain unique IDs that allow the media file provider to track the sending device. Some providers use this service to reward people who distribute their media files to others who buy usage rights for the files.

To save your settings, select Back.