While we cover the issue of unallocated space separately for each individual mobile platform, this chapter gathers all information we have about the issue in a single place. In order to allow our readers to use this chapter as a reference, we included some information about internal (eMMC) and external (SD card) storage, as well as some basic information about encryption and its effect on unallocated space. We separately reviewed encryption options available for internal and external storage, as their effect on unallocated space can be quite different. If you just want an idea on whether or not unallocated space can be recovered from a particular device, carry on reading!
What happens to information that was deleted from a smartphone? Is there life after a full factory reset? Is there anything left on the device after a remote wipe? What is the best method to recover information stored in unallocated space; what tools and equipment are required...