Early spring. The sun behind the clouds . 4к-30. 100 Mb/s. 4к-60. 126 Mb/s. 1minute recording-760 Mb/s. Color-natural. Sky blue. Exposure-quality. Increased bit rate like other 4K action cams. Special attention to default settings and 1920x1080 mode. Increased keyframe rate (GOP-N reduction): one keyframe every 1/4 second instead of 1 per second. Changed YUV color profiles : less contrast for SJCAM-Vivid , more contrast for Flat Fixed exposure profiles : Center , Spot and Average . Changed gamma curves : reduced blue sky and contrast. Changed the on , off and shutter sounds to louder. Disabled LRV recording (low resolution video). Firmware is not russified. Human thanks to Rigacci for the firmware Rigacci.Org v1.0 firmware 1.3.2 https://www.rigacci.org/wiki/doku.php/doc/appunti/hardware/sjcam-8pro-custom-firmware