A Android Central Question Sep 13, 2018 #1 I keep getting *invalid code* when using this method on my AT&T Note 9. What can I do?
B. Diddy Senior Ambassador Moderator Mar 9, 2012 168,766 9,746 113 Sep 13, 2018 #3 Are you trying to carrier-unlock the phone? Upvote 0 Downvote