Zte Blade A7S Quick Start Manual page 14

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.
When not using the device for a long period, please

charge the battery about half and then store the device
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.
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