If you have Siri enabled, you can also say "Hey Siri, whose phone is this?" – Siri will answer whose phone it is, but also will disable Touch/Face ID. Do one o

If you have Siri enabled, you can also say "Hey Siri, whose phone is this?" – Siri will answer whose phone it is, but also will disable Touch/Face ID. Do one of these things at the beginning of any custodial situation.