AT&T Wireless Home Phone User Manual page 31

• Please use original accessories or accessories that are approved
by vendor. Using any unapproved accessories may affect your
device's performance, damage your terminal, or even cause
danger to you and violate related national regulations about
telecom terminals.
• Because the device can produce an electromagnetic field, do not
place it near magnetic items such as computer disks.
• Do not expose the device to direct sunlight or store it in hot areas.
High temperatures can shorten the life of electronic devices.
• Prevent liquids from leaking into the device.
• Do not attempt to disassemble the device by yourself.
Non-expert handling of the device may cause bodily injury or
device damage.
• Do not install or remove the SIM card when the power is on.
Safety Instructions 25