When I try to connect to a Wi-Fi network with iPhone16 (iOS18), the following pop-up appears. Please tell me the conditions under which this pop-up appears. Additionally, upon investigating the surrounding wireless signals, there were no other wireless devices on the same channel band."
[Pop-up]
Unable to join the network "〇〇〇〇" This network is operating on Wi-Fi channels in use by several other nearby networks. Restarting your wireless router may allow it to automatically choose the best channel to use, and may resolve this problem.
Also, I can connect to a Wi-Fi network without any problems with iPhoneSE2 (iOS18). However, after displaying the above pop-up on iPhone16 (iOS18), when I try to connect to a Wi-Fi network with iPhoneSE2 (iOS18), the following pop-up appears. The content of this pop-up is different from the pop-up displayed on iPhone16 (iOS18). Please tell me the reason why the content of the pop-up is different.
[Pop-up]
Unable to join the network "〇〇〇〇"
Please check and reply.