16
Safety Information
If you have experienced seizures or blackouts, or if you have a 
family history of such occurrences, please consult with your 
doctor before playing video games on your phone or enabling a 
flashing-lights feature on your phone. (The flashing-light feature 
is not available on all products.)
Parents should monitor their children's use of video games or 
other features that incorporate flashing lights on the phones. All 
persons should discontinue use and consult a doctor if any of 
the following symptoms occur: convulsion, eye or muscle 
twitching, loss of awareness, involuntary movements, or 
disorientation.
To limit the likelihood of such symptoms, please take the 
following safety precautions:
•
Do not play or use a flashing-lights feature if you are tired 
or need sleep.
•
Take a minimum of a 15-minute break hourly.
•
Play in a room in which all lights are on.
•
Play at the farthest distance possible from the screen.
Repetitive Motion Injuries
When you repetitively perform actions such as pressing keys or 
entering finger-written characters, you may experience 
occasional discomfort in your hands, arms, shoulders, neck, or 
other parts of your body. Follow these instructions to avoid 
17
Safety Information
problems such as tendonitis, carpal tunnel syndrome, or other 
musculoskeletal disorders:
•
Take a minimum 15-minute break every hour of game 
playing.
•
If your hands, wrists, or arms become tired or sore while 
playing, stop and rest for several hours before playing 
again.
•
If you continue to have sore hands, wrists, or arms during 
or after play, stop playing and see a doctor.
1. The information provided in this document supersedes the general safety 
information in user’s guides published prior to January 28, 2005.