I have an iphone value pack on my monthly plan, which include visual voicemail(vvm) and name display. The vvm works perfectly while the name display doesn't work. The calls from non-contacts doesnt show the names, only phone number. Is there anything to solve the problem? IOS is 10.2.1.
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That's definitely odd; the iPhone is compatible with name display, so you should be seeing the names of non-contacts who call you.
Has the name display worked in the past? And is your iPhone a Fido phone or is it unlocked?