I am using my android phone and when I play any video on firefox and other Mozilla browser my audio cracks I am facing this problem for long time. I try rebooting my phone, cleared cache, re-installed firefox and other Mozilla browser, factory data reset. Android 6 doesn't not support to many browser and others are not good as firefox Device details:- Samsung Note4 Android version 6 (kernel version:-3.10.40-13452786) Software version:-N910gdts1drh2/n910godd1drd1/n910gdds1dqa4 Firefox version 133.0.3