ZTE F858 User Manual
Page 8

8
• Do not disassemble or modify the battery. 
• Stop using the battery if abnormal heat, 
odour, discolouration, deformation, or 
abnormal condition is detected during use, 
charge, or storage. 
• Do not put the battery in your mouth. 
• Only use original replacement batteries. 
• Do not attempt to dismantle the handset 
or any of its accessories.
• Do not place the handset close to the
edge of a table in case it moves when set 
on vibrate mode. 
• Do not put the handset into a microwave
oven, dryer, or high-pressure container.
• Do not use your handset while driving or
operating other machinery.
• Do not use the handset where blasting is
in progress.
• Switch your phone off when boarding
aircraft.
 
• Do not leave your handset at the bottom 
of a bag where it may be damaged by
sharp objects.
• Do not leave the handset discharged or
disconnected for a long time, otherwise 
your personal data may be lost. 
• Remember to make backup copies of all
important data on your handset.
• Take care when your phone is in your
pocket. Sitting down may damage the 
handset. 
• It is normal for the handset to become
warm while the battery is being charged.
• Under poor network conditions battery life
is considerably reduced.
• When the battery is thrown away cover
the terminals with insulating tape.
• Please recycle the packaging and all
parts as stated in Chapter 4.
•
Emergency service coverage is 
dependant on network availability and 
battery status. 
 
 
 
