Q: How to know your camera bricked?
A: It will start beeping every second with a glowing circle once you try to turn it on.
Before you start using your camera or trying to update it via OTA or manually, make sure your MicroSD card is formatted in FAT32. exFAT will brick your camera on updating process.
To unbrick your camera after unsuccessful firmware updating:
1. You will need any FAT32 SD Card. Do not use exFAT for firmware updating.
2. Turn off camera, remove battery and SD card.
3. Download YiCameraUnBrickFirmware.zip (check attachment), unpack .ash and .bin files to your SD card root. Those are 1.0.0 firmware and updating script.
4. Put your SD card and battery in camera and turn it on. You will hear those brick beeping sounds, but it's fine. Script will launch update process that will take around 8-10 minutes. Camera should beep 4-5 times when it's done and turn off by itself. If that happened you are good!
5. If update process took 10 minutes and didn't turned off, remove battery and check your SD card. .bin and .ash files should not be there now and you will see DCIM and MISC folders. MISC folder will have item.bin 56kb file. Put battery and SD card back, turn camera on and will few mins of beeping. It should beep 4-5 times after some time and turn off. Then just turn your camera on and it should work fine