Watch video How to Change Refresh Rate to 50hz, 30hz, 25hz or 24hz on Firestick 4k (Fix Screen Flickering) online without registration, duration 01 minute 59 second in high hd quality. This video was added by user YourSixTech 23 May 2023, don't forget to share it with your friends and acquaintances, it has been viewed on our site 15 thousand once and liked it 64 people.