Reply To: 2 boards dead on arrival! Home › Forums › bigtree-tech › 2 boards dead on arrival! › Reply To: 2 boards dead on arrival! December 10, 2020 at 9:38 am #86 forumKeymaster Hi, sorry for the inconvenience, please contact our supporter, and they will help you and provide the after-sales service, email@example.com. Also, Thanks for your feedback and we are improving our QC constantly.