On the other side was , the hardware company. Kobo e-readers were beloved for their hardware, but their software was strict. Kobo devices natively understood EPUBs, but they didn't actually read standard EPUBs very well. They preferred a proprietary internal format called KEPUB . Furthermore, Kobo’s firmware was notoriously finicky. If you sideloaded a standard EPUB, you often lost advanced features like page counts in the header, faster page turns, and advanced statistics tracking. If you tried to hack the device, the Kobo database could easily corrupt, leaving the user with a bricked device.
For a long time, users had to install KoboTouchExtended manually. It was a "power user" tool. kobotouchextended github
If you're a Kobo e-reader owner looking to enhance your device's functionality and performance, KoboTouchExtended is definitely worth exploring. Be sure to review the documentation and community forums before installing the custom firmware. On the other side was , the hardware company