Huawei P9 - Manual (Page 20)

•
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, it may be
damaged.
•
If the device standby time shortens significantly, replace
the battery.
•
The device has a built-in, non-removable battery. Do not
attempt to remove the battery, otherwise the device may
be damaged. To replace the battery, take the device to
an authorized service center.
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