Microsoft Lumia 640 LTE Single Sim - Manual (Page 12)

Product and safety info
For info on Microsoft Mobile Service terms and Privacy policy, go to
www.microsoft.com/mobile/privacypolicy.
You can only use your device on the LTE TDD 2300 (40), 2600 (38); LTE
FDD 700 (12), 700 (17), 700 (28), 800, 850, 900, 1700/2100, 1900, 2100,
2600; WCDMA 850, 900, 1700/2100, 1900, 2100; and GSM 850, 900, 1800,
1900 MHz networks.
Use your device only with an original BV-T5C rechargeable battery. Do
not dispose batteries as household waste. Charge your device with AC-20
charger. Charger plug type may vary. Microsoft Mobile may make
additional battery or charger models available for this device.
Third-party chargers that comply with the IEC/EN 62684 standard, and
that can connect to your device micro USB connector, may also be
compatible.
To prevent possible hearing damage, do not listen at high volume levels
for long periods. Exercise caution when holding your device near your
ear while the loudspeaker is in use.
When using this device, obey all laws and respect local customs, privacy
and legitimate rights of others, including copyrights.
Additional safety information
Accessibility solutions
Microsoft Mobile is committed to making mobile phones easy to use for
all individuals, including those with disabilities. For more information,
visit aka.ms/phoneaccessibility.
Hearing
Warning: When you use the headset, your ability to hear outside
sounds may be affected. Do not use the headset where it can endanger
your safety.
Some wireless devices may interfere with some hearing aids.
Nickel
The surface of this device is nickel-free.
Certification information (SAR)
This mobile device meets international guidelines for exposure to
radio waves.
Your mobile device is a radio transmitter and receiver. It is designed not
to exceed the limits for exposure to radio waves (radio frequency
electromagnetic fields), recommended by international guidelines from
the independent scientific organization ICNIRP. These guidelines
incorporate substantial safety margins that are intended to assure the
protection of all persons regardless of age and health.