USBridge Signature unit comes with OS are with updated drivers. dietpi-update asks user to revert APT kernel or , cancel these step. **************************************************** "Would you like to revert to the APT kernel now, ensuring stability and ***************************************************** if opted for , then follow below steps. 1) update ASIX driver : works 4.19.50-v7+ kernel onwards ssh or terminal login using OS credentials cd /usr/src sudo wget http://3.230.113.73:9011/Allocom/USBridgeSig/install.sh sh install.sh for v2.0.0 driver - http://3.230.113.73:9011/Allocom/asix2v0/info 2) RTL8812AU wifi driver : insert USB WiFI module on startup. thanks to https://www.raspberrypi.org/forums/viewtopic.php?t=194859 ssh or terminal login using OS credentials (before download , check the install-wifi already present or not ls /usr/bin/install-wifi to avoid duplication remove it rm /usr/bin/install-wifi ) sudo wget http://3.230.113.73:9011/Allocom/USBridgeSig/install-wifi -O /usr/bin/install-wifi sudo chmod +x /usr/bin/install-wifi for help sudo install-wifi -h sudo install-wifi ************************************************* 3) UsbridgSig ethernet driver version check using modinfo : run below command , correct version is v0.1.4 or v2.0.0 (updated on 17 jan 2020) modinfo ax88179_178a | grep version version: v0.1.4 modinfo ax88179_178a | grep version version: v2.0.0 *************************** on dietpi or volumio versions after kernel update Ethernet driver need to check the version if it is not v0.1.4 or v2.0.0 follow the "update ASIX driver" steps in this page. OS Images with rpi kernel 4.19.73 download links as below (use 7zip extractor application and flash sd card with Etcher tool) http://3.230.113.73:9011/Allocom/DietPi/DietPi_v6.26m_RPi-ARMv7-Stretch_AlloGUI.img.7z with v0.1.4 Asix driver http://3.230.113.73:9011/Allocom/DietPi/DietPi_v6.26m1_RPi-ARMv7-Stretch_AlloGUI.img.7z with v2.0.0 Asix driver (updated in 21 jan 2020)