11
•
The device has a built-in, non-removable battery. Do
not attempt to remove it. Doing so may damage the
device. To replace the battery, take the device to an
authorised service centre.
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, which 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, close all applications, and disconnect all cables
connected to it.
•
Do not use chemical detergents, powders, or other
agents (such as alcohol or 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
bankcards and phone cards, near the device for
extended periods of time. Otherwise, these cards
may be damaged.
•
Do not dismantle or attempt to modify the device or
its accessories. This voids the warranty and releases
the manufacturer from liability for damage. In case
