Hello,
my Viofo A126 Duo cam is skipping frames as well. It sometimes skips 1 or 2 seconds, sometimes up to 9 seconds.
I am using a SanDisk high endurance 128 GB micro SD U 3 XC 1 class 10 ; I formatted it on the camera.
Card was bought from Amazon.
Firmware version is 1.9
Any help...