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PedroSanPedro
User level: Level 1 (4 points)

iPhone Duo Handoff setup closes after Continue; renaming iPhone fixed it

iPhone Duo Handoff setup closes after Continue? Renaming my iPhone fixed it.


I discovered a possible fix for an iPhone Handoff setup problem on iOS 27 with T Mobile.


Symptoms:


  • New iPhone Duo had no cellular plan installed.
  • My original iPhone worked perfectly with T Mobile.
  • Both devices were running iOS 27.
  • Both devices used the same Apple Account.
  • When selecting “Use Number on This iPhone and Another” and pressing Continue, the dialog simply disappeared.
  • No error message appeared, and setup never advanced.


What fixed it:


I noticed that transferring my original iPhone’s settings and data had also copied its device name. Both iPhones had exactly the same name.


I opened:


Settings → General → About → Name


I gave my new iPhone Duo a unique name, different from my original iPhone.


After that, I retried Handoff setup, and everything worked as expected!


Possible cause: Duplicate device names may interfere with iPhone Handoff enrollment or device discovery. This is a hypothesis based on my experience, rather than a confirmed root cause.


If you’re having this issue, check whether your two iPhones have identical device names, particularly after using Apple’s phone transfer process.


Hopefully this saves someone else a lot of troubleshooting.

Posted on Nov 7, 2026 4:36 PM

1 reply

SravanKrA
User level: Level 10 (454,138 points)

Nov 7, 2026 11:42 PM in response to PedroSanPedro

Thanks for the tip. However...


Changing the name of your Apple device will not affect Continuity or Handoff in any way. You can even assign the same name to multiple Apple devices; there is no requirement for each device to have a unique name for these features to work.


Handoff and other Continuity features do not rely on the device name to identify or establish a connection between your Apple devices. Instead, they depend on factors such as the Apple Account (Apple ID) being used, Wi-Fi connectivity (with the devices connected to the same Wi-Fi network where required), and Bluetooth being enabled.


Therefore, you can freely change the name of your iPhone, iPad, or Mac without worrying about disrupting Handoff or other Continuity features.


For more information, refer to Apple's official guide:

Use Handoff to continue tasks on your iPhone

Originally posted at discussions.apple.com/thread/256390533