Zte Z850 User Manual page 17

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
The working temperature for the phone is between 0℃

and 40℃. Please don't use the phone outside the
range. Using the phone under too high or too low
temperature might cause problems.
Eyesight
Please do not use your phone in dim light for a long

time to avoid damage on your eyesight.
For some people, exposure to flashing lights (such as

TV) might trigger seizures or dizziness. If you have a
history of seizures or epilepsy, consult a doctor before
playing video games or enabling a flashlight feature
on your phone.
Safety information
In order to protect your personal information and

prevent disclosure of sensitive information, please set
a phone password and change it from time to time,
make sure to back up important data, back up the
data on your phone before disposal and reset your
phone.
Please do not download unknown applications and

browse suspected websites in order to protect your
phone against malicious applications and viruses.
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