HTC U Play - Manual (Page 7)

 Avoid using your device after a dramatic change in temperature
When you move your device between environments with very
different temperature and/or humidity ranges, condensation may
form on or within the device. To avoid damaging the device, allow
sufficient time for the moisture to evaporate before using the device.
NOTICE: When taking the device from low-temperature conditions
into a warmer environment or from high-temperature conditions into
a cooler environment, allow the device to acclimate to room
temperature before turning on power.
 Avoid pushing objects into product
Never push objects of any kind into cabinet slots or other openings
in the product. Slots and openings are provided for ventilation. These
openings must not be blocked or covered.
 Adjust the volume
Turn down the volume before using headphones or other audio
devices.
 Cleaning
Unplug the product from the wall outlet before cleaning. Do not use
liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning, but
NEVER use water to clean the LCD screen.
 Small children
Do not leave your phone and its accessories within the reach of small
children or allow them to play with it. They could hurt themselves or
others, or could accidentally damage the phone. Your phone
contains small parts with sharp edges that may cause an injury or
which could become detached and create a choking hazard. Consult
the doctor immediately if the accessories or battery are swallowed.
 Repetitive motion injuries
To minimise the risk of RSI, when Texting or playing games with your
phone:
 Do not grip the phone too tightly
 Press the buttons lightly
 Electrostatic discharge (ESD)
Do not touch the SIM card’s metal connectors.
 Emergency calls
This phone, like any wireless phone, operates using radio signals,
which cannot guarantee connection in all conditions. Therefore, you
must never rely solely on any wireless phone for emergency
communications.