RICOH THETA models are identifiable by the two initial letters of the serial number on the bottom of each camera body.
- Two initial letters Models 
-  YR RICOH THETA X 
-  YP RICOH THETA SC2 
-  YN RICOH THETA Z1 (YN1, YN2 : 19GB model / YN3 : 51GB model) 
- YL RICOH THETA V 
- YJ RICOH THETA SC 
- XS RICOH THETA S 
-  XN RICOH THETA m15 
-  XL RICOH THETA (2013 model) 
Example : RICOH THETA V
