The 388 models can automatically identify the 2.4G WiFi, and you don’t need to name the 2.4G WiFi. If you have problem with the connection, please offer us your Homgar account(your email address) and a video of you trying to connection the weather station so that we can help you troubleshoot the issue.
Connecting video guide:
English version: https://youtu.be/OIxgmcDOjyw
German version: https://youtu.be/0gqpQVMIssU
Guide the client to connect the weather station in correct steps. Make sure the WiFi password is correctly entered, otherwise it will fail to search the WiFi while trying connecting.