Zte R3000 User Manual page 11

you follow airline regulations. And if airline personnel ask you to switch off
your phone, or disable its wireless functions, please do as they say.
in hospital
 Your phone may interfere with the normal operation of medical equipment.
Follow all hospital regulations and turn it off when you're asked to by posted
warnings or medical staff.
at a petrol station
 Don't use your phone at petrol stations. In fact, it's always best to switch off
whenever you're near fuels, chemicals or explosives.
around water

Keep your phone away from water (or any other liquid). It's not a waterproof
model.
making repairs
 Never take your phone apart. Please leave that to the professionals.
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