Pearl firmware requirements and removed features

Applies to: Pearl-2, Pearl Mini, Pearl Nexus, Pearl Nano, as noted per item.

Check these before upgrading or downgrading a Pearl system.

• Epiphan Cloud EU servers only support Pearl devices on firmware version 4.24.1 or newer.
• Firmware 4.24.2 removes support for NDI|HX1 on Pearl-2, Pearl Mini, and Pearl Nexus.
• Pearl Nexus: release 4.22.0 is the initial Pearl Nexus release. Pearl Nexus cannot run firmware earlier than 4.22.0.
• Pearl Nano: devices with a serial number starting with GSAB or newer cannot be downgraded below firmware version 4.17. Attempting the downgrade produces an error and the upgrade is blocked.
• Pearl-2: all units manufactured after November 2022 have a new LCD screen and fan that require firmware 4.17.3 or higher, and cannot be downgraded. Pearl-2 units that receive a replacement fan also require 4.17.3 or higher.
• MPEG-DASH and UPnP are no longer supported as of release 4.18.0. Firmware 4.17 is the last version to support connections to UPnP enabled devices.
• Pearl as FTP server functionality was removed in release 4.14.2.
• Do not extract the .tar firmware file. Upload it exactly as downloaded on the Firmware Upgrade page of the Pearl Admin panel.