Why does Hey Siri of iPhone have to be activated when charging?

1, because, hey, Siri is mainly used by users when driving, and the setting is charging to activate. If you can open it by saying "Hey siri" at ordinary times, ios9 will do.

2. Solution: You can upgrade iOS9, and you can also use hey siri after upgrading.

Function introduction

Users can search life information such as restaurants and cinemas through voice control and text input, at the same time, they can directly watch relevant comments, and even book and book tickets directly; In addition, its location-based service ability is also quite strong, and it can judge and filter the search results according to the user's default home address or location.

However, its biggest feature is human-computer interaction. It not only has a very vivid dialogue interface, but also gives answers to users' questions that are not irrelevant. Sometimes even surprises. For example, if a user says and types the words "I've already had a drink" and "home" (it doesn't even need to be grammatical, so it's quite human ...), Siri will judge it as drunk.

Baidu encyclopedia -siri