Why do some apps ask for permission to make phone calls?

Always asking for various permissions, and I don’t know if it is safe or not.

1. Why does the app require phone permission?

Mobile phone call permission means that the software can monitor whether your mobile phone is making calls, incoming calls or outgoing calls, so as to facilitate the execution of software actions. For example, the music player software will pause when there is an incoming or outgoing call.

2. Why does the mobile APP need to obtain permissions?

Speaking of the problem of mobile APP obtaining permissions, a better explanation is that the application is to provide more targeted services. For example, the communication tools such as WeChat and QQ that obtain communication recordings are through the address book. Provide friends you know for easy adding. However, some APPs will collect user data and even preferences in order to make money and use or sell them.

3. What other APP permissions do the mobile phone have that are frequently opened?

1. Storage space permissions

Mobile APP obtains the storage space of the mobile phone, mainly so that the APP can measure the mobile phone space and facilitate us to download and save pictures and videos. Some are also for the APP version. Update, so for obtaining storage space information, this does not have much impact on us, you can choose to allow it.

2. Camera and recording permissions

It is actually easy to understand to obtain the camera and recording functions, because scanning with WeChat requires the camera to be enabled, while some voice commands such as WeChat have A voice lock allows you to log in using voice, so the application's access to the camera and recording functions have specific purposes, so they can be allowed. But if you encounter an application that does not require taking pictures or speaking and wants to obtain permissions, you should be wary.

3. Location permission

Locate your location based on the mobile phone’s own GPS positioning or base station, such as navigation software. This function is necessary, such as the previously recommended Red Letter APP and Wutiao It also needs to be turned on. After all, you need to use the positioning function.

4. SMS reading permission

Obtaining SMS permissions for mobile APP sometimes facilitates the APP application to automatically read the content in the verification code, saving us from manually filling in the verification code. However, some irregular APPs read and send text messages, and may send some text messages and links for ordering paid services, making people fall into the trap unknowingly.

5. Mobile phone identification code permission

As long as the mobile phone identification code is obtained, the mobile phone model held by the user can be determined. If the APP collects the user’s mobile phone model information and sells it to the developer, then Developers can use this big data to develop mobile games, applications and other functions suitable for mobile phone models. However, in most applications, few APPs require the permission to read the mobile phone identification code. If you want to enable this permission, you must be careful.