palandri Retired Moderator Jul 25, 2009 7,586 3 0 Dec 19, 2014 #2 Does this help? http://forums.windowscentral.com/nokia-lumia-920/221287-error-21-cant-change-numbers.html Upvote 0 Downvote
Does this help? http://forums.windowscentral.com/nokia-lumia-920/221287-error-21-cant-change-numbers.html
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