I’ve got a Theta SC that is a couple years old and has been sitting in a desk drawer for maybe a year. I pulled it out to try and use it again but every time I went to turn it on it would beep three times, the red light would flash, and camera mode light would turn on all for about 5 seconds, then it would go off.
I’ve been through a lot of forum posts and troubleshooted things like updating the firmware, deleting a .trash folder, reformatting, etc. Nothing has helped. Throughout all of the troubleshooting I have been able to connect to the camera through the phone app if I turn it on while pressing the wifi and shutter button but I have never been able to see anything or take pictures. Just black.
After all of the troubleshooting, I’m now getting a little bit different power-up sequence but it still shuts off every time. Here’s where I’m at now: