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How to fix iPhone 16 Pro Max Stuck on Setup?

Setting up new iPhone and transferred number from old phone. New phone appears stuck on "Cellular Setup Complete" with only the greyed out bar at the bottom of the screen and a spinning "thinking" icon. Next step??


[Re-Titled By Moderator]

Posted on Sep 20, 2024 7:11 AM

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Question marked as Top-ranking reply

Posted on Oct 15, 2024 9:09 PM

Same here. iPhone 16 pro max flashes the unlock keypad screen and the slide to turn off screen for a second with no allowance to do anything. Hello brick. Apple support has no ideas! iPhone scorching hot. I'm hoping the battery drains. What is going on with a $1,599 phone?


[Edited by Moderator]

129 replies

Sep 20, 2024 1:59 PM in response to Bob-W2GG

I had same issue but iPhone 16 Pro just flashes the unlock keypad screen and the slide to turn off screen for a millisecond, never allowing me to sign on past the hello opening screen or turn off completely to reset. Now it is just a "hello" brick. Apple support couldn't help and offered an Apple Store appointment for end of next week. I will be looking at Samsung probably and give up my 4 HomePods gen1, iMac, iWatch Ultra 2, Apple TV, and iPad Pro. I am too frustrated.

Sep 20, 2024 1:25 PM in response to Bob-W2GG

Just got my iPhone 16 (not a pro model). Setup started nice. Both phones did what they were supposed to do until the cellular activation screen. When I hit the continue button, like others, I got the spinning wheel that never went away. So I tried to force restart. After restart, it would never see my old iPhone 13 (like it did the first time). I had to restart again and tell it to erase iOS and start over. Then it next saw my old phone but when it got to the activation screen, now it had a different option for "transferring the number" and when I selected that, it told me I could not transfer to this phone. Now what do I do???? I have NO phone.

Oct 7, 2024 10:33 PM in response to Bob-W2GG

Here are the steps that fixed the above issue for my iPhone 16 Pro.


  1. Press volume up button quickly and leave
  2. Immediately Press volume down button quickly and leave
  3. Keep holding side button (10 secs) till iPhone reboots and Apple logo appears. Keep holding side button and connect the iPhone to MacBook using USB cable. When you see a computer and cable image on phone let the side button go. The phone is in recovery mode now.
  4. Update iPhone with latest software
  5. Restore phone form iCloud backup

Sep 20, 2024 10:36 AM in response to Bob-W2GG

I was not as fortunate, even after restarting the new iPhone 16Pro. It would not see the the old iPhone 14 Pro, which was right next to it so I had to do the set set up from the iCloud instead of from the old phone. It’s copying a bunch of stuff from the cloud right now. I was able to send it receive phone calls while this is happening so I guess things are going to be good, but usually it works a little better

Sep 21, 2024 12:51 AM in response to Bob-W2GG

Just experienced the issue with iPhone 13 to iPhone 16. Chatted with Apple online.


Need to update old iPhone's iOS to latest version. So press X to stop the process on old iPhone. Go to Settings - General - Software Update.


On iPhone 16... I had to let it go to sleep, wake it, then hold power & volume up to force it off.


After old iPhone iOS is updated then...

Check the old iPhone still has some battery charge left. If not then I would charge it some.

Turn on new iPhone 16.

Follow instructions at support.apple.com/en-us/117383


Using a wired connection is better than wireless (and maybe faster), so go into your old iPhone box and find that USB-C to lightning cable to connect old iPhone to iPhone 16.


The whole process was done within 5 minutes or so.

The new iPhone 16 even connected to my home Wi-Fi automatically. All my apps stared downloading afterwards. Pretty cool when it does work.


Very frustrating to have waited over an hour when it was stuck. I still think Apple has a USER EXPERIENCE ERROR.

How to fix iPhone 16 Pro Max Stuck on Setup?

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