4 ms·An iPhone wakes up the screen if it detects movement it thinks is someone picking up the phone.by baddox 6y agoAn iPhone wakes up the screen if it detects movement it thinks is someone picking up the phone.garmaine 6y agoMy iPhone does no such thing. Does it have to be a Face ID phone?baddox 6y agoThe feature is called Raise to Wake and (I believe) has been in every iPhone since the 6s. I thought it was enabled by default, but it’s in the Display & Brightness section in Settings.