- Phone L535DS
- OS : W10M(10.0.15047.0-Fast Ring)
As we all know VolUp + Power combo is designated for taking screenshot and VolDown + Power is designated for launching Feedback Hub. But when I press VolUp and VolDown buttons simultaneously for three times, a strange thing happens.
- My phone vibrates three times.
- Then screen goes black for a very short interval of time.
- Then return to its previous state.
I'm unable to understand what my phone is doing and for what purpose this combo is used. I can't figure out any change or can't see any app launched.So my question is that what exactly this combo does and for what purpose it is used?