Removable cases for portable electronic devices incorporating memory tags (e.g., NFC memory tags) capable of being read by an electronic reading device are disclosed. The memory tags may be pre-programmed or programmable to contain one or more readable items of identification data associated with the custodian of the device or protective case. The memory tags may also or alternatively include code or executable commands that effectuate certain functionality (e.g., go into silent or airplane mode, call home or a particular person, turn off, check email, set alarm, play music or video, etc.) in another of the user's device. The protective case may protect, shield, and/or conceal the tag visually in part or in whole while allowing the tag to be read and the tags position visually identified. Systems and methods to recover lost or misplaced electronic devices using information contained in the memory tag of the protective enclosure are also disclosed.