Nokia Lumia 2520, Update 3 This topic contains 0 replies, has 1 voice, and was last updated by aquarius 1 week, 6 days ago. Author Posts May 7, 2018 at 9:56 am #68394 aquariusParticipant I have a Nokia Lumia 2520 with windows Rt 8.1. After installing Update 3 (KB3033055) I’ve got black screen with flashing cursor and wifi icon. Need help to bring it back to the normal conditions. Thank you in advance. Author Posts You must be logged in to reply to this topic.