believe the battery or charger is damaged, take it to a service centre or your phonedealer before continuing to use it. Never use a damaged battery or charger. Onlyuse the charger indoors. Do not charge your device during a lightning storm.Small childrenYour device and its accessories are not toys. They may contain small parts. Keepthem out of the reach of small children.Medical devicesOperation of radio transmitting equipment, including wireless phones, may interferewith inadequately shielded medical devices’ function. Consult a physician or themedical device’s manufacturer to determine if it is adequately shielded fromexternal radio energy.Implanted medical devicesTo avoid potential interference, manufacturers of implanted medical devices, suchas a (cardiac) pacemaker, implanted cardioverter defibrillator, implanted cochlea(bionic ear), etc., recommend a minimum separation of 6 inches (15.3 centimetres)between a wireless device and the medical device. Persons who have such devicesshould:Always keep the wireless device more than 6 inches (15.3 centimetres) from themedical 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 istaking place.Follow the manufacturer directions for the implanted medical device.If you have any questions about using your wireless device with an implantedmedical device, consult your health care provider.Nokia 3310 4G User Guide© 2018 HMD Global Oy. All rights reserved. 45