Amazon’s latest Kindle update stops you removing DRM from newly downloaded e-books, making them impossible to back up.
Books are heavily restricted behind bars, including some of the books that officials have fought for students to access.
According to Good E Reader, Amazon's latest firmware update (version 5.18.5) for its 11th and 12th-generation Kindle e-readers, the Kindle Colorsoft, and the Kindle Scribe, has added a new DRM system ...