Huawei Ascend Y221 Y221 Quick Start Guide - Page 24

 Do not put batteries in fire as they may explode. Damaged batteries may also explode.  Dispose of used batteries in accordance with local regulations. Improper battery use may lead to fire, explosion, or other hazards.  Do not allow children or pets to bite or suck the battery. Doing so may result in damage or explosion.  Do not smash or pierce the battery, or expose it to high external pressure. Doing so may lead to a short circuit or overheating.  Do not drop the device or battery. If the device or battery is dropped, especially on a hard surface, and may be damaged.  If the device standby time shortens significantly, replace the battery. Cleaning and maintenance  Keep the device and accessories dry. Do not attempt to dry it with an external heat source, such as a microwave oven or hair dryer.  Do not expose your device or accessories to extreme heat or cold. These environments may interfere with proper function and may lead to fire or explosion.  Avoid collision, which may lead to device malfunctions, overheating, fire, or explosion.  Before you clean or maintain the device, stop using it, stop all applications, and disconnect all cables connected to it.  Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and benzene) to clean the device or accessories. These substances may cause damage to parts or present a fire hazard. Use a clean, soft, and dry cloth to clean the device and accessories. 23