86 
break when you sit down. 
Battery Safety 
  Using ZTE-unapproved or incompatible battery, charger or 
power adapter may damage your device, shorten its lifespan 
or cause a fire, explosion or other hazards. 
  The recommended operating temperatures are 0 °C to 35 °C 
and the storage temperatures are -20 °C to +45 °C. Extreme 
temperatures can damage the device and reduce the 
charging capacity and lifespan of your device and battery. 
  WARNING! 
Do not remove the back cover. The battery is not removable. 
Removal may cause fire or explosion. 
  Do not change or replace the built-in rechargeable battery in 
your device by yourself. The battery can only be changed or 
replaced by ZTE or ZTE authorized service provider. 
  Do not place the device or the battery in or near heating 
equipment, such as microwave ovens, stoves or radiators. 
Keep the device and the battery away from excessive heat 
and direct sunlight. If not, the device or the battery may 
overheat and cause explosion or fire. 
  Do not disassemble, squeeze or puncture the device, as this 
can cause explosion or fire. 
  Do not throw the device into a fire to avoid explosion. 
  Please disconnect the charger when the battery is fully 
charged. Overcharging may shorten the battery life.