We just get the new firmware for the hot sale X1 Action Camera. As know as the “SJ4000 Killer”, X1 has the real 1080P 60FPS and 720P 60FPS which SJ4000 doesn’t. X1 is compatible with the SJ4000 battery and most GoPro mounts. And the video sample is pretty sharp and clear, 1080p 60fps is mush more smooth than the 30fps. Here is a sample, you can also download it here: https://www.mediafire.com/?488tvros6b5i26g
1080P 30FPS Comparison VS SJ4000
OK, here is the firmware: http://www.mediafire.com/download/oqhbyn31r2xe7vb/SPHOST.BRN
Copy the file to the TF card then insert it to the camera, start the camera, stop recording then press the up button, the camera will start to flash the firmware. Notice, please unsure the battery is at least half full before update the firmware.