Zte nubia Z11 User Manual page 57

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.
Unauthorized repairs could break the terms of your warranty.
Broken antenna
Don't use your phone if the antenna is damaged, as it could cause injury.
Please do not touch or cover the antenna area (the upper part on the back of
your phone) during a conversation to avoid affecting talk quality and consuming
more battery power, which might reduce the talk time and standby time.
Around children
Keep your phone out of children's reach. It should never be used as a toy.
Original accessories
Only use the original accessories supplied with your phone or those approved by
the manufacturer. Using unapproved accessories may affect performance, void
the warranty, break national regulations on the use of phones, or even cause
injury.
Near explosives
Turn off your phone in or near areas where explosive materials are used. Always
obey local laws and turn off your phone when requested.
Emergency calls
To make an emergency call, your phone must be turned on and in an area where
there's network coverage. Dial the national emergency number and touch 'send'.
Explain exactly where you are and don't hang up until help has arrived.
Working temperature
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