PocketBook InkPad 4 Gets Libby Integration and PIN Lock in Latest Firmware 6.10.2767

PocketBook has pushed a significant firmware update for the InkPad 4 — version 6.10.2767, dated December 24, 2025. It's a bigger release than the typical bugfix drop, with a handful of additions that are likely to matter to a wide range of users. What's New The headline addition is a dedicated...