You can now buy Eken H9 4K ActionCam from Gearbest.com for only 54.29 USD with free shipping world wide.
1. Delete all the files and folders in the TF card or simply format the card (suggested: 8GB / 16GB).
2. Download the firmware from above and copy SPHOST.BRN file to TF card.
3. Insert the TF card into Eken H9 4K ActionCam (make sure battery > 50%).
4. Power on Eken H9 4K ActionCam and it will update firmware automatically.
5. When update finish, the machine will turn off automatically.
7. Take off the TF card and delete the firmware file.