Battery And Charger Safety; Small Children; Medical Devices; Implanted Medical Devices - Microsoft Lumia 640 XL LTE User Manual

Third-party chargers that comply with the IEC/EN 62684 standard, and that can connect to your device micro USB
connector, may be compatible.
Microsoft Mobile may make additional battery or charger models available for this device.
The battery can be charged and discharged hundreds of times, but it will eventually wear out. When the talk and standby
times are noticeably shorter than normal, replace the battery.
Only replace the battery with a battery that is compliant with the IEEE-std-1725 standard.
Only use the battery with a charging system that has been qualified with the system per CTIA Certification Requirements
for Battery System Compliance to IEEE 1725.
The phone shall only be connected to CTIA certified adapters, products that bear the USB-IF logo, or products that
have completed the USB-IF compliance program.

Battery and charger safety

Always switch the device off and unplug the charger before removing the battery. To unplug a charger or an accessory,
hold and pull the plug, not the cord.
When your charger is not in use, unplug it. If left unused, a fully charged battery will lose its charge over time.
Always keep the battery between 15°C and 25°C (59°F and 77°F) for optimal performance. Extreme temperatures reduce
the capacity and lifetime of the battery. A device with a hot or cold battery may not work temporarily.
Accidental short-circuiting can happen when a metallic object touches the metal strips on the battery. This may damage
the battery or the other object.
Do not dispose of batteries in a fire as they may explode. Obey local regulations. Recycle when possible. Do not dispose
as household waste.
Do not dismantle, cut, crush, bend, puncture, or otherwise damage the battery in any way. If a battery leaks, do not let
liquid touch skin or eyes. If this happens, immediately flush the affected areas with water, or seek medical help. Do not
modify, attempt to insert foreign objects into the battery, or immerse or expose it to water or other liquids. Batteries
may explode if damaged.
Use the battery and charger for their intended purposes only. Improper use, or use of unapproved or incompatible
batteries or chargers may present a risk of fire, explosion, or other hazard, and may invalidate any approval or warranty.
If you believe the battery or charger is damaged, take it to a service centre before continuing to use it. Never use a
damaged battery or charger. Only use the charger indoors. Do not charge your device during a lightning storm.

Small children

Your device and its accessories are not toys. They may contain small parts. Keep them out of the reach of small children.

Medical devices

Operation of radio transmitting equipment, including wireless phones, may interfere with inadequately shielded medical
devices' function. Consult a physician or the medical device's manufacturer to determine if it is adequately shielded
from external radio energy.

Implanted medical devices

To avoid potential interference, manufacturers of implanted medical devices recommend a minimum separation of 15.3
centimetres (6 inches) between a wireless device and the medical device. Persons who have such devices should:
• Always keep the wireless device more than 15.3 centimetres (6 inches) from the medical device.
• Not carry the wireless device in a breast pocket.
• Hold the wireless device to the ear opposite the medical device.
• Switch the wireless device off if there is any reason to suspect that interference is taking place.
• Follow the manufacturer directions for the implanted medical device.
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