15 16
 
y
The humidity between 5% and 95% is recommended.
 
y
Do not connect the charger while using the device for a long 
period. Failing to do so will trigger the protection mechanism 
of the battery, and the battery will not be charged. If you 
want to charge the battery, please reconnect the charger.
 
y
Do not connect the charger while using the device for a 
long period or use the device and battery in non-operating 
temperature. Failing to do so will shorten battery life or 
cause battery swelling or leakage. If the battery shows 
signs of swelling or leakage, please stop use immediately.
 
y
For pluggable equipment, the socket-outlet shall be installed 
near the equipment and shall be easily accessible.
Battery Safety 
 
y
Using ZTE-unapproved or incompatible battery, charger 
or power adapter may damage your device, shorten its 
lifespan or cause a re, explosion or other hazards.
 
y
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.
 
y
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 re.
 
y
Please disconnect the charger when the battery is fully 
charged. Overcharging may shorten the battery life.
 
y
Do not short-circuit the battery, as this can cause excessive 
heat and re.
 
y
Do not throw the battery into a re to avoid explosion.
 
y
Do not disassemble, squeeze or puncture the battery, as 
this can cause explosion or re.
 
y
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.
 
y
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.
 
y
Return the worn-out battery to the provider or put it in the 
designated recycle place. Do not put it in household waste.
 
y
There is a risk of explosion if the wrong battery model is 
replaced.
 WARNING! 
 
y
If the battery is broken, you should avoid contact with the 
contents inside. If they contaminate the skin, immediately 
rinse with plenty of water and seek medical help when 
necessary.