Nokia 105 User GuideYou may also need to do the following:• Put a SIM card in the phone.• If your phone asks for a PIN code, type in the official emergency number for your presentlocation, and press the call key.• Switch off the call restrictions on your phone, such as call barring, fixed dialling, or closeduser group.TAKE CARE OF YOUR DEVICEHandle your device, battery, charger, and accessories with care. The following suggestions helpyou keep your device operational.• Keep the device dry. Precipitation,humidity, and all types of liquid ormoisture can contain minerals thatcorrode electronic circuits.• Do not use or store the device in dusty ordirty areas.• Do not store the device in hightemperatures. High temperatures maydamage the device or battery.• Do not store the device in coldtemperatures. When the device warms toits normal temperature, moisture can forminside the device and damage it.• Do not open the device other than asinstructed in the user guide.• Unauthorised modifications may damagethe device and violate regulationsgoverning radio devices.• Do not drop, knock, or shake the device orthe battery. Rough handling can break it.• Only use a soft, clean, dry cloth to cleanthe surface of the device.• Do not paint the device. Paint can preventproper operation.• Keep the device away from magnets ormagnetic fields.• To keep your important data safe, storeit in at least two separate places, such asyour device, memory card, or computer, orwrite down important information.During extended operation, the device may feel warm. In most cases, this is normal. To avoidgetting too warm, the device may automatically slow down, close apps, switch off charging,and if necessary, switch itself off. If the device is not working properly, take it to the nearestauthorised service facility.© 2019 HMD Global Oy. All rights reserved. 21