Package: firmware-realtek Version: 20200619-1 In newer source tar there are firmware files for more chips than what is packed into deb. Eg rtl8153a-3.fw is missing.
$ dpkg -l firmware-realtek [...] ii firmware-realtek 20200619-1 all Binary firmware for Realtek wired/wifi/BT adapters $ tar tJf firmware-nonfree_20200619.orig.tar.xz|grep rtl_nic/rtl|wc -l 28 $ ls /lib/firmware/rtl_nic/|wc -l 24 Best Regards Michał Mirosław