How to block, mark as spam, or unblock phone numbers on Nokia devices

Nokia 5.1 Plus Nokia 5.1 Plus
Nokia 8.1 Nokia 8.1
Nokia X7 Nokia X7
Nokia 2 V Nokia 2 V
Nokia 6.2 Nokia 6.2
Nokia 2.2 Nokia 2.2
Nokia 3.1 A Nokia 3.1 A
Nokia 3.1 C Nokia 3.1 C
Nokia X71 Nokia X71
Nokia 9 PureView Nokia 9 PureView
Nokia 4.2 Nokia 4.2
Nokia 3.2 Nokia 3.2
Nokia 1 Plus Nokia 1 Plus
Nokia 8.1 ( X7) Nokia 8.1 ( X7)
Nokia 3.1 Plus Nokia 3.1 Plus
Nokia 7.1 Nokia 7.1
Nokia 7.1 Plus (Nokia X7) Nokia 7.1 Plus (Nokia X7)
Nokia 6.1 Plus (Nokia X6) Nokia 6.1 Plus (Nokia X6)
Nokia 5.1 Plus (Nokia X5) Nokia 5.1 Plus (Nokia X5)
Nokia 5.1 Nokia 5.1