Not Available Maintenance Mode

[Afsalkhanafsu]

My Phone not available Maintenance Mode and Call background New Feature 

[vivek1989]

What device model y Liu have?

[cs_member8]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Thank you for sharing your feedback.We have noted down the feedback. We are continuously working for making our products better and more efficient.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support