Wi-Fi Raw Socket Disconnection Issue on iPhone 17 Series

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On my iPhone 16 Pro and iPhone 16 Pro Max devices, running iOS 26.0, 26.0.1, and 26.1, Wi-Fi raw socket communication works flawlessly. Even after keeping the connection active for over 40 minutes, there are no disconnections during data transmission.

However, on the iPhone 17 and iPhone 17 Pro, the raw socket connection drops within 20 seconds. Once it disconnects, the socket cannot reconnect unless the Wi-Fi module itself is reset.

I believe this issue is caused by a bug in the iPhone 17 series’ communication module. I have looked into many cases, and it appears to be related to a bug in the N1 chipset.

Are there any possible solutions or workarounds for this issue?

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Answer 1

DTS Engineer OP

Apple

1h

Wi-Fi raw socket

Please clarify what you mean by “Wi-Fi raw socket”. What API are you actually calling?

Wi-Fi module itself is reset.

And what do you mean by this? Does it involve doing something on the iOS device? Or is this “Wi-Fi module” part of something you’ve created, like a Wi-Fi based accessory?

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