Cause 1 of 1: Notifications are turned on
If notifications are turned on, your phone will use mobile data when applications send push notifications and is not connected to a Wi-Fi-network.
Solution: Turn off notifications.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c94b3cf-a6f3-4506-bd1c-6090c685cc80.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c94b3cf-a6f3-4506-bd1c-6090c685cc80.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c94b3cf-a6f3-4506-bd1c-6090c685cc80.png?width=218&height=386)
Find "Nofications"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2b71a8d2-3b93-4571-bb61-00b9f1e89094.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2b71a8d2-3b93-4571-bb61-00b9f1e89094.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2b71a8d2-3b93-4571-bb61-00b9f1e89094.png?width=218&height=386)
Find "Nofications"
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d18cd67-3f22-4810-bbc5-f9db434d6344.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d18cd67-3f22-4810-bbc5-f9db434d6344.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d18cd67-3f22-4810-bbc5-f9db434d6344.png?width=218&height=386)
Find "Nofications"
Press Nofications.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0de970c0-8b90-4049-8987-23beb25dc59b.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0de970c0-8b90-4049-8987-23beb25dc59b.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0de970c0-8b90-4049-8987-23beb25dc59b.png?width=218&height=386)
Turn notifications on or off
Press the required app.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=218&height=386)
Turn notifications on or off
Press the indicator next to "Block all" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=420&height=746)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=332&height=590)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=218&height=386)
Return to the home screen
Press the Home key to return to the home screen.
1 Find "Nofications"
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c94b3cf-a6f3-4506-bd1c-6090c685cc80.png?width=210&height=372)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2b71a8d2-3b93-4571-bb61-00b9f1e89094.png?width=210&height=372)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d18cd67-3f22-4810-bbc5-f9db434d6344.png?width=210&height=372)
2 Turn notifications on or off
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0de970c0-8b90-4049-8987-23beb25dc59b.png?width=210&height=372)
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=210&height=372)
3 Return to the home screen
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5ffc01fc-8582-4372-9953-7ca88061f362.png?width=210&height=372)