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 +60 °C. Extreme temperatures can 
damage the device and reduce the charging capacity and lifespan of 
your device and battery. 
•  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. 
•  Please disconnect the charger when the battery is fully charged. 
Overcharging may shorten the battery life. 
•  Do not short-circuit the battery, as this can cause excessive heat and 
fire. 
•  Do not throw the battery into a fire to avoid explosion. 
•  Do not disassemble, squeeze or puncture the battery, as this can cause 
explosion or fire. 
•  When not using the battery for a long period, please charge the battery 
about half then remove the battery from your device and store it in a cool 
dry place. 
•  If the battery damages or shows signs of swelling or leakage, please 
stop use immediately and contact ZTE or ZTE authorized service 
provider for replacement. 
•  Return the worn-out battery to the provider or put it in the designated 
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