Network devices may not be able to connect to Personal HotSpot.

Question

Created 4d

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Explanation of the issue

When tethering is enabled and a wireless connection is established, there are instances where an IP address is not assigned.

Steps to Reproduce the Issue (if possible)

Enable iPhone tethering and connect wirelessly using 11ax.

Expected Result

The iPhone assigns an IP address, enabling network connectivity.

Actual Result Observed

DHCP negotiation failed. After attempting communication with the DHCP server via DHCP Discover, a DHCP Offer was returned from the iPhone. If this was missed, it would retry by performing another DHCP Discover. However, the iPhone does not issue a DHCP Offer no matter how many times it retries. The IP address is not assigned unless the wireless connection is disconnected and reconnected.

If the initial Discover is missed, does this invalidate subsequent Offer retries?

The above issue has been confirmed on iPhone 17 Pro and iPhone 16. It does not appear to occur on iPhone 15.

Boost

Answer 1

DTS Engineer OP

Apple

1d

I’d like to clarify your issue. My understanding is that:

You have an iPhone with cellular networking enabled.
You enable Personal Hotspot on it.
On some other device, you join that Wi-Fi network.
In some cases things go wrong, meaning that the device from step 3 can’t access the Internet.

Is that right?

If so, what sort of device are you use in step 3? Another Apple device? Or something else?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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