Support; Product And Safety Information - Nokia Lumia 900 User Manual

72

Support

Support
When you want to learn more about how to use your phone, or if you're unsure how
your phone should work, read the user guide thoroughly.
If you have an issue, do the following:
•
Reboot your phone. Press and hold the power key for about 10 seconds. The
phone switches off. To switch your phone on again, press the power key.
•
Restore the original factory settings
If your issue remains unsolved, contact Nokia for repair options. Before sending your
phone for repair, always back up your data, as all personal data in your phone may be
deleted.

Product and safety information

Network services and costs
Your device is approved for use on the WCDMA 850, 1900, 2100; GSM/EDGE 850, 900, 1800, 1900; and LTE Band 4
(1700/2100) & 17 (700) MHz networks.
To use the device, you need a subscription with a service provider.
Using network services and downloading content to your device requires a network connection and may result in data traffic
costs. Some product features require support from the network, and you may need to subscribe to them.
Take care of your device
Handle your device, battery, charger and accessories with care. The following suggestions help you protect your warranty
coverage.
•
Keep the device dry. Precipitation, humidity, and all types of liquids or moisture can contain minerals that corrode
electronic circuits. If your device gets wet, allow the device to dry.
•
Do not use or store the device in dusty or dirty areas. Moving parts and electronic components can be damaged.
•
Do not store the device in high temperatures. High temperatures can shorten the life of the device, damage the
battery, and warp or melt plastics.
•
Do not store the device in cold temperatures. When the device warms to its normal temperature, moisture can form
inside the device and damage electronic circuits.
•
Do not attempt to open the device other than as instructed in the user guide.
•
Unauthorized modifications may damage the device and violate regulations governing radio devices.
•
Do not drop, knock, or shake the device. Rough handling can break internal circuit boards and mechanics.If you believe
the battery or charger is damaged, take it to a service center for inspection before continuing to use it.
•
Only use a soft, clean, dry cloth to clean the surface of the device.
•
Do not paint the device. Paint can clog moving parts and prevent proper operation.
•
Keep your device away from magnets or magnetic fields.
•
To keep your important data safe, store it in at least two separate places, such as your device, memory card, or
computer, or write down important information.