I bought the Nord 2 two weeks ago and I'm very satisfied with the smartphone. I've found the alert slider very useful and have also used it a lot. But suddenly unfortunately it can't be moved since yesterday for inexplicable reasons. Now it is stuck in vibration mode and can no longer be moved even with a lot of force. Does this often happen with Oneplus devices or is this a single case with mine now. Is there a way to fix this somehow and can I switch the smartphone to mute or loud without alert slider.