Lenovo K900 Smartphone - Manual (Page 7)

Important safety and handling information
electromagnetic fields may interfere with pacemakers or other medical
devices. If you wear a pacemaker, maintain at least 6 inches
(approximately 15 cm) of separation between your pacemaker and
Lenovo Phone. If you suspect Lenovo Phone is interfering with your
pacemaker or any other medical device, stop using Lenovo Phone and
consult your physician for information specific to your medical device.
 Important handling information
Cleaning
Clean Lenovo Phone immediately if it comes in contact with anything
that may cause stains: such as dirt, ink, makeup, or lotions. To clean:

Disconnect all cables and turn Lenovo Phone off (press and hold the
Sleep/Wake button, then slide the onscreen slider).
 Use a soft, lint-free cloth.
 Avoid getting moisture in openings.
 Don’t use cleaning products or compressed air.
Operating temperature
Be aware of heat generated by Lenovo Phone. When using Lenovo
Phone, keep it away from hot or high-voltage environments, such as
electric appliances or electric heating cooking equipment. Only use
Lenovo Phone in the temperature range of -10°C (14 °F) - 45°C (117 °F)
to avoid damage.
When Lenovo Phone is turned on or the battery is charging, some parts
might become hot. The temperature that they reach depends on the
amount of system activity and the level of charge in the battery.
Extended contact with your body, even through clothing, could cause
discomfort or even a skin burn. Avoid keeping your hands, your lap, or
any other part of your body in contact with a hot section of Lenovo
Phone for any extended time.
Protecting your data and software
Do not delete unknown files or change the name of files or directories
that were not created by you; otherwise, Lenovo Phone software might
fail to work.
Be aware that accessing network resources can leave Lenovo Phone