Replace the battery only with an IEEE-Std-1725
standard qualified battery. The use of an unqualified
battery may lead to fire, explosion, leakage, or other
hazards.
Do not disassemble or open, crush, bend or deform,
puncture or shred the battery. Otherwise, it may lead
to electrolyte leakage, overheating, fire, or explosion.
Do not solder battery poles or dismantle the battery.
Doing so may lead to electrolyte leakage, excessive
heat, fire, or explosion.
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.
Do not place magnetic stripe cards, such as credit
cards and phone cards, near the device for extended
