Save the previous JL381A firmware file. To downgrade, use:
Recent updates for the HPE 1920S switch have focused on improving stability for: Enhancing VLAN tagging and management. IPv6 Support: Improving host mode and routing capabilities. jl381a firmware
Ensure you are downloading the most recent version in the PD.02.x series, which offers the newest security features for the 1920S series. Step-by-Step Guide: Upgrading JL381A Firmware Save the previous JL381A firmware file