LG KT-T650 Owner's Manual page 27

The model and serial numbers of the SET are
located on the back or one side of the SET.
Record it below should you ever need service.
MODEL
SERIAL
WARNING -This is a class A product. In a domestic
environment this product may cause radio
interference, in which case the user may be
required to take adequate measures.
Applicable models
(For details about applicable models, contact the
retail store or refer to the Owner's manual.)