● Turn the wireless device off immediately if there isany reason to suspect that interference is takingplace.● Follow the manufacturer directions for theimplanted medical device.If you have any questions about using your wirelessdevice with an implanted medical device, consult yourhealth care provider.Hearing aidsSome digital wireless devices may interfere with somehearing aids.Hearing aidsWarning: For hearing aid compatibility, youmust turn off the Bluetooth connectivity.Your mobile device model complies with FCC rulesgoverning hearing aid compatibility. These rulesrequire an M3 microphone or higher value. The M-value, shown on the device box , refers to lower radiofrequency (RF) emissions. A higher M-value generallyindicates that a device model has a lower RF emissionslevel, which may improve the likelihood that the devicewill operate with certain hearing aids. Some hearingaids are more immune than others to interference.Please consult your hearing health professional todetermine the M-rating of your hearing aid andwhether your hearing aid will work with this device.More information on accessibility can be found atwww.nokiaaccessibility.com.This device has been tested and rated for use withhearing aids for some of the wireless technologies thatit uses. However, there may be some newer wirelesstechnologies used in this device that have not beentested yet for use with hearing aids. It is important totry the different features of this device thoroughly andin different locations, using your hearing aid orcochlear implant, to determine whether you hear anyinterfering noise. Consult your service provider aboutits return and exchange policies and for information onhearing aid compatibility.VehiclesRF signals may affect improperly installed orinadequately shielded electronic systems in motorvehicles such as electronic fuel injection systems,electronic antilock braking, electronic speed controlsystems, and air bag systems. For more information,check with the manufacturer of your vehicle or itsequipment.Only qualified personnel should service the device orinstall the device in a vehicle. Faulty installation orservice may be dangerous and may invalidate anywarranty that may apply to the device. Check regularly148 Additional safety information