https://www.instructables.com/Fixing-a-Bricked-Foscam-FI9821W/
Fixing a Bricked Foscam FI9821W - Less Than $6 : 13 Steps (with Pictures) - Instructables
Fixing a Bricked Foscam FI9821W - Less Than $6: If you have a Foscam FI9821W that failed after you attempted to update the firmware, then you've come to the...