How To Fix SD Card Error On GoPro Hero 4 Black | All Generations | Tutorial - YouTube
HERO4: Information And Troubleshooting
Amazon.com : GoScope (60M) Red Filter - Compatible with GOPRO HERO4 / HERO3+ / HERO3 Dive HOUSING (60M Case Only) Laser Cut Optical Red Filter (See Pictures to Make Sure This FITS
Howto reset GoPro Hero 4 Wifi and Camera Settings - YouTube