The delay issue of 4G TCP connection for iPhone 17 in China's mobile network

Graphics & Games General
suzsfot OP
Created 1d
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Reproduce

  1. 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
  2. iPhone17， Turn off 4G and turn on WiFi. All the above indicators are acceptable
  3. iPhone17， Turn on 4G, turn off WiFi, retry with retransmission and very high Avg round trip
  4. iPhone14-16， Turn on 4G and turn off WiFi. All the above indicators are acceptable

App

  1. Unity3d project
  2. .netframe4.0
  3. C# Socket

Other

Many developers in Chinese forums have provided feedback on this issue

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The delay issue of 4G TCP connection for iPhone 17 in China's mobile network
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