Just on other websites. Click the Youtube link on the bottom right hand corner of the video to jump to Youtube and watch them.
Wow, that's some major issue right there! But I bet it's something really simple like a dodgy dash or bad connector! For 5 months old I'd be asking for a replacement.
From my research main issue was with 821 SP not 821 Base. I have Base, 2.1k in 2 months and all fine for now.