If the logger works after a downgrade, keep the penultimate version, as newer updates sometimes disable API/local integration. To provide more specific information, How to perform the downgrade ? Settings to make it work with Home Assistant ? Deye LSW3 firmware for inverter connection? - Facebook

The is a Wi-Fi stick data logger produced by SOLARMAN (often used with inverters from brands like Deye and Sofar Solar) to monitor PV systems. Keeping its firmware up to date ensures compatibility with new inverter models and stabilizes cloud data transmission. How to Update LSW-3 Firmware