Zte U5100 User Manual page 42

 Don't use your phone in dusty or dirty environment.
 Keep your phone away from extremes of heat – like radiators or ovens.
It may explode if it gets too hot.
 If your phone gets wet and the colour of the label on it changes, the
warranty will be void, even if the warranty period hasn't expired.
 If there's anything wrong with the phone, battery, charger, or any
accessory, please send them to your nearest service centre for
inspection.
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