ultra data saving mode not working

[Farukhali232]

Utltra data saving mode is not working  in samsumg m31s. 

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

To resolve this issue kindly follow the given below steps:

1. Check device in Safe Mode:-Press and hold the Power key, when Power off icon appears > Press and hold the power off icon.
To exit safe mode:-Restart your device.
2. Reset the device and before resetting the device make sure to create data backup of your device via SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.
Settings>General Management>Reset.

If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question).
Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support