Zte WF720 User Manual page 16

 . Please. use. original. accessories. or. accessories. that. are. approved.
by.vendor..Using.any.unapproved.accessories.may.affect.your.de-
vice's. performance,. damage. your. terminal. or. even. cause. danger.
to.your.body.and.violate.related.national.regulations.about.telecom.
terminals.
 . As. the. device. can. produce. 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.liquid.from.leaking.into.the.device.
 . Do. not. attempt. to. disassemble. the. device. by. yourself.. Non-expert.
handling.of.the.device.may.cause.body.injury.or.device.damage.
 . Keep.length.of.line.between.the.device.and.telephone.at.least.0.5.
meters.
 . Do. not. unplug. the. connector. of. the. data. cable. away. from. the.
phone,.and.not.install.and.remove.SIM.card.when.the.power.is.on.
.