You cannot send movies to a smartphone. [309, You cannot use one-touch connection (nfc). [312, You cannot send movies to a smartphone – Sony Cyber-shot DSC-RX100 IV User Manual
Page 249
When the battery remaining level is low, [Send to Computer] may be canceled halfway.
Charge the battery pack and try again.
[309] Troubleshooting
Troubleshooting
Wi-Fi
You cannot send movies to a smartphone.
You cannot send XAVC S movies to a smartphone.
You cannot send AVCHD movies to a smartphone. Set [
File Format] to [MP4] before
recording movies.
[310] Troubleshooting
Troubleshooting
Wi-Fi
[Smart Remote Embedded] or [Send to Smartphone] is
canceled halfway.
When the remaining battery level is low, [Smart Remote Embedded] or [Send to
Smartphone] may be canceled halfway. Charge the battery pack and try again.
[311] Troubleshooting
Troubleshooting
Wi-Fi
The shooting screen for [Smart Remote Embedded] is
not displayed smoothly./The connection between this
product and the smartphone is disconnected.
Data communication between this product and the smartphone may fail due to signal
conditions. Place this product closer to the smartphone.
[312] Troubleshooting
Troubleshooting
Wi-Fi