Cannot connect the camera to a mobile device using the mobile device as an access point (Wi-Fi tethering) or using a wireless LAN router as an access point.
Verify and make adjustments as necessary according to each of the following steps, and then try the connection again.
The supported connection methods vary depending on the camera model. For details, see Help Guide.
Reset Wi-Fi, mobile data communication, and Bluetooth from [Settings] → [System] → [Reset options]. Resetting may improve the connection; however, it will also initialize the following settings, so they will all need to be reconfigured.
Reset your Network Settings from [Settings] → [General] → [Transfer or Reset iPhone] → [Reset]. Resetting may improve the connection; however, it will also initialize the following settings, so they will all need to be reconfigured.