> Brightness level . To adjust thebrightness, drag the Brightness levelslider. Make sure that Adaptivebrightness is disabled.and switch to On .Use location services selectively:9.Switch location services off whenyou don’t need them. Tap Settings> Security & Location > Locationand switch to Off .Use network connections10.selectively:Switch Bluetooth on only whenneeded. Use a Wi-Fi connection toconnect to the internet, rather thana mobile data connection. Stop yourphone from scanning for availablewireless networks. Tap Settings >Network & Internet > Wi-Fi andswitch to Off . If you're listening tomusic or otherwise using yourphone, but don't want to make orreceive calls, switch Flight mode on.Tap Settings > Network & Internet> Flight mode .Flight mode closes connections to the mobile network and turns your device’swireless features off.Save on data roaming costsYou can cut data roaming costs and save on your phone bills by changing mobiledata settings. To use the optimal connection method, change the Wi-Fi and mobilenetworks settings.Data roaming means using your phone to receive data over networks that yournetwork service provider doesn‘t own or operate. Connecting to the internet whenroaming, especially when abroad, can raise data costs substantially.Using a Wi-Fi connection is generally faster and less expensive than using a mobiledata connection. If both Wi-Fi and mobile data connections are available, yourphone uses the Wi-Fi connection.Nokia 5.1 User Guide© 2018 HMD Global Oy. All rights reserved. 20