Ricoh THETA Z1 Guide De Démarrage Rapide page 12

Sharing on SNS
You can share still images captured with the camera on
social networking services such as Twitter and Facebook.
Tap the "Share" button on the image viewing screen of
the basic app for smartphone.
Next, configure the settings for the service that you want
to share the image in, and tap [Done]. The image is
uploaded.
● You need to register with an account on each service in order to use
the services.
● See the user guide for details on viewing and sharing images from a
computer.
https://support.theta360.com/en/manual/
10