The latest generation, Kindle Paperwhite, Kindle Scribe 2, Kindle Scribe 1, and Kindle and the upcoming Kindle Colorsoft, all have something in common. When you plug them into USB into your PC or MAC, they no longer appear as external drives. This prevents users from using file managers to back up their books or to sideload new books onto the Kindle. Amazon has also removed the download and transfer via USB option for purchased ebooks from the content page. This will likely prevent people from striping the DRM from the books and sharing them on piracy websites. This is not
if you’re not opposed to using your already existing device, I suggest an app like ReadEra which uses multiple eBook formats.
if you’re uncomfortable using google play to download it, there are also fantastic libre readers on fdroid and independent sites that will also work beautifully.
i just like ReadEra cause it has so much customizability. and its one less device to take with me on long journies.