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手机默认的BLE(蓝牙)服务是什么?

[英]What are the default BLE(bluetooth) services for phone?

I have been exploring & reading a lot about BLE for iOS.It says we have to access the services & characteristics for reading or writing some data to a peripheral but i have a doubt how we do it with two mobile devices when we connect to a phone it does not show any services what we do 我一直在探索和阅读有关iOS的BLE的知识。它说我们必须访问服务和特性才能向外围设备读取或写入一些数据,但我不确定当我们连接到BLE时如何使用两个移动设备来实现电话它不会显示任何服务我们在做什么

1-Turn on the bluetooth 2-Select files to share 3-Share files to connected device 1-打开蓝牙2-选择文件以共享3-共享文件到连接的设备

What type of services are accessed in that process ? 在此过程中访问什么类型的服务?

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