Sony DSC-RX10M4 Help Manual page 330

Note
Radio wave interference may occur as Bluetooth communications and Wi-Fi communications use the same frequency band. If
your Wi-Fi connection is unstable, it may be improved by turning off the Bluetooth function of the smartphone. If you do this, the
location information link function is not available.
When you record movies using a smartphone as a remote controller, the monitor of the product becomes darker.
If you cannot connect your iPhone or iPad to this product using the QR code, use the SSID and password.
Related Topic
PlayMemories Mobile
Controlling the camera using an iPhone or iPad (SSID)
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