Hi,my seller send me new FW for my Junsun. IMPORTANT! This is for 8667Q chip.8667Q军灿UI02-国外-VHD720x1280_v11_20211207.zipdrive.google.comI was make upgrade but not fully tested. Device boot and in first look work good.*MODERATOR EDIT* - Only post here in the English language or provide an English translation **