You need download the package above at this link:
You need to use the above tool to do the wireless upgrades not the GHL desktop tool .
WiFi-Module-ESP-Update
« » Download Info Views: 38894 File size: 5.57 MB Downloads: 20731 Updated: 08/25/2023 Categories: Firmware Download Description Changelog Firmware and file system (web interface) for the WiFi module ESP (used in ProfiLux 4, Mitras LX 7 and ProfiLux Mini/Light WiFi) including update instructions...
www.aquariumcomputer.com
You need to use the above tool to do the wireless upgrades not the GHL desktop tool .