How to Disable Data When Screen is Off on Xperia Z

One of the battery saving options on Android devices, is turning off / disabling cellular data as well as WiFi connection when the screen is off. On Xperia Z and other Sony devices, this action can be done by doing as follows:

1. Open Settings application

2. Under Device settings, tap Power Management.

3. Make sure to enable STAMINA Mode to disable mobile data and Wi-Fi automatically when the screen is off.

4. To customize the STAMINA option, tap on it to open the settings

a. Tap Activation to specify when to enable STAMINA mode. For example if the battery level reaches 46% enable this mode

b. Tap Add Applications to create a white list. Apps in the white list will not be restricted when the phone is in standby
One of the battery saving options on Android devices, is turning off / disabling cellular data as well as WiFi connection when the screen is off. On Xperia

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