Reproduce Same SIM card with 4G, same testing location, connected to the same server, xcode debugging game applications, network/profile retrotransmitted, Avg round trip to view data iPhone17， Turn off 4G and turn on WiFi. All the above indicators are acceptable iPhone17， Turn on 4G, turn off WiFi, retry with retransmission and very high Avg round trip iPhone14-16， Turn on 4G and turn off WiFi. All the above indicators are acceptable App Unity3d project .netframe4.0 C# Socket Other Many developers in Chinese forums have provided feedback on this issue

When the user updates the system to 17.5.1 and our application crashes, and then debugs with xcode, it is found that NSMotionUsageDescription permission is required. This confuses us because we do not have access to this API Searching for APIs Execute grep - r CMMotionActivityManager under the application folder There are no records Non iOS 17.5.1 No relevant reports available How can we delve deeper into which API is causing it