I am using the samsung j7 Prime, from tomorrow it is showing any "data saving warning."please find attached the screen shot of this notification, and suggest me what can I do to revove this notification from my phone.waiting for your prompt response....

How can I remove the voice mail notification icon in samaung j7 nxt phone? There is no new voice mail msg but it still displays the voicemail notification at the top of my phone.please tell me the procedure to remove this notification.