If you upgraded to iOS 9.2 and then your videos started having a horrible noise in them, well, you’re not alone. In fact, it happened to us when we did the update, and here is how we fixed it.

If you have an iPhone 5 or an iPhone 6, and it suddenly starts making this incredibly loud alert notification noise – sort of like a bell at claxon level – that you can’t find any way to turn off, because there is no app doing it, here’s one possible reason. First, ask yourself if you have an Apple Watch.