Test footage from the Xiaomi YI Sports Camera with bitrate increased to 30Mbps, previously was at 11Mbps.
You can download the modified firmware from dashtalk forum, huge thanks @ Reverend for creating this!

Link: https://forum.dashcamtalk.com/threads/xiaomi-yi-sports-camera-custom-firmware-base-1-0-7-bitrate-increased-to-30mbps-all-modes.10410/

I bought mine from http://www.shareasale.com/r.cfm?B=733847&U=1093970&M=38812&urllink=

Unboxing and a brief review of the new action camera by Xiaomi, model YI which supports video 1080p @ 60FPS and a 155 wide angle lenses from SONY.

I bought mine from http://www.shareasale.com/r.cfm?B=733847&U=1093970&M=38812&urllink=