A SERVICE OF

logo

8
Qualified service
Only qualified service personnel may install or repair your
phone. Failure to do so may invalidate the warranty.
For more detailed safety information, see “Health and safety
information” on page 162.
Notes
:
• While using your phone, data may be deleted or corrupted due
to system malfunctions or operating mistakes. Back up your
important data using external storage devices.
• Be careful not to remove the battery while storing data. Doing
this may delete or corrupt your data.
• Extremely high or low temperatures may cause errors in the
screen display or a system malfunction. The phone functions
best in a normal temperature range.