mccom 0 Report post Posted October 5, 2018 Please give us some support on how to enter in firmware upgrade mode for WF4720. We already follow your manual instruction for this model but it cannot enter the formware update mode. Share this post Link to post Share on other sites
John_Admin 385 Report post Posted October 10, 2018 press and hold: RIGHT UPPER DISPLAY CORNER and POWER BUTTON – wait about 3 sec until Blue Power Led is ON - then release all buttons. Share this post Link to post Share on other sites
