How to get ultra data saving in Samsung Galaxy J7?

I dont hv ultra data saving in my samsung j7 phone.hw to get it?

My phone is j5 but it hasn't ultra data saving mode..I searched it in my settings but it doesn't show .I need to fix it but don't want any apk..Please help me

To check update, go to Settings > About device > Software updates

Hope that helps!

Hi there. Can you pull down the notification bar and check if it's there? If it's really not, try checking for update.

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