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iPhone 12 losing service

Received my iPhone 12 Pro on Friday. Activated it on Saturday. Sunday I drove for 10 mns and when I arrive to my destination I saw no reception bars and No Service. And in the middle of the screen in a grey box: Your iPhone is not Activated.


The only way to get the connection back was to toggle Airplane mode to ON then OFF.


The iPhone had the cellular mode to 5G Auto. I switched it to LTE to test. And it was the same.


So I resetted the network settings: same issue and I resetted the iPhone as a new iPhone and reinstalled everything from scratch (not from a saved backup): same issue.


I drove my car and found the exact location where the phone lost the network. If the phone lost the network it means I reach the end of the coverage area from a certain antenna. It looks like something happened with the phone when I reach a zone covered by a new antenna.


I called my operator and they told me that everything is good on their end and I have the right SIM card for a 5G device.


I called the Apple Tech Support and they remotely installed on my phone two profiles:

  • Baseband and Telephony Logging
  • CFNetwork Diagnostics


I was able to replicate the issue after talking to the Apple Tech and I was able to submit the report.


I pushed a little bit the research and I found on Reddit a lot of people talking about the same issue not only on Verizon (my carrier) but also on AT&T. Just use the title I typed and you will find the article.


I never had such issue with the 11pro.



[Re-Titled by Moderator]

Posted on Oct 28, 2020 11:31 AM

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Question marked as Top-ranking reply

Posted on Feb 9, 2021 5:49 PM

I am surprised this situation has not been addressed properly by the carriers or Apple. They each seem to be ignoring and hoping the problem will go away. Which it will NOT!

Imagine paying hard earned money for a product that only works, "part-time"? Clearly that would be frustrating for all consumers. Nobody likes to waste money.

I was already given a replacement phone and SIM cards and guess what-neither of them corrected the issue. Once again today I have 1 bar, 1 bar of signal strength at home. My phone is resting on the table and only has 1 bar. No reason for that. Unacceptable. Then when I left the house for a short drive, I lost all signal strength for about 4 minutes, had to go in and out of airplane mode for the signal strength to reset. UNACCEPTABLE!

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956 replies

Feb 8, 2021 6:29 PM in response to joxesCA

Hello about the problem with the phone signal I also have 2 IPhone 12 Pro Max. My wife's and mine and the two of us have given us problems on several occasions we have run out of signal as if we were in the middle of nowhere, when we are in the middle of the city. Both are with the Verizon Wireless service and the truth is that this happens to me for the first time and less in the center of the city. I am an IPhone user since the IPhone 7 and every year I change it and no one had done this to me. I hope that problem is solved soon

Feb 8, 2021 6:59 PM in response to Elieser1989

I am also with Verizon. Apple sent me a replacement phone that is open phone. I can go any carrier. Then I called Verizon to request a SIM card,. When I set up my physical SIM card, I told Verizon my problem. Then instead of setting one SIM card, they set up physical sim as primary , digital sim as 2ndary. I have not have problem since. So call Verizon and told them your problem and request a physical sim and sent up both sims to see if it helps. If not , need to call Apple to replace your phone.

Feb 9, 2021 4:15 AM in response to joxesCA

I’m having the same problem, I contact Verizon and they told me that I would have to call 611 from the phone and talking to someone over the phone and that it couldn’t be done over. The girl I was messing with told me I would have to contact the network team so that they could opened a case and look into why it’s happening in my area.. anyone else get this for a response? I personally think she just gave me the run around.

Feb 9, 2021 4:46 AM in response to Justin_DeCarlo

Went through that with Verizon and basically the network team is just gathering information and told me that they are working with Apple on the problem but have no fix right now . Spent hours on the phone with Apple and Verizon. Going through all the things I’ve already been desperate enough to try myself only to get to the end and hear them both blame it on each other and tell me yep you have a problem. Fun fun fun .

Feb 9, 2021 10:27 PM in response to joxesCA

Has anybody had any luck with getting this fixed 12 pro max loosing service and will not regain service until I airplane toggle or reboot the phone in areas with great service and areas with decent service that doesn’t matter it happens more closer to towers and also get the iPhone not activated contact your carrier message apple support completely ignoring me now carrier has tried everything to figure it out complete network team worked on it for weeks new SIM cards 3xs and apple replaced phone once also replicated this problem for apple advisor and never heard anything back carrier is visible through Verizon and also had the actual Verizon team help as well apple store admitted to the problem I’m overwhelmed completely any help would be so appreciated

Feb 10, 2021 6:38 AM in response to Badapple987

The guy at Verizon and apple did confirm the issue though and they both said the blue one has had the most issues with this problem and you guessed it mine is blue apple was supposed to be teaming up with my carrier for a replacement or solution but nothing has happened at this point that was days ago but I will say that Verizon has been more than helpful trying to help me figure this out I’ve done everything that can be done as far as software on my end and the apple store completely wiping the phone and running it bare bones I know this phone as well as apple now and that’s just crazy because it’s a lot I’m completely overwhelmed this is affecting my life as I don’t have a backup phone and this one is completely unreliable causing me more issues than I need times are tough enough as is apple needs to step up and get this fixed whether it be a carrier problem or a apple problem this problem is big I would say in the thousands for sure 

Feb 13, 2021 4:39 PM in response to joxesCA

I have Verizon in the iPhone 12 Pro Max blue and I have the same problem with service cutting in and out very badly. Travel to Philadelphia a couple weeks ago and Service was in and out. Ordered a new Sim card activated it and still the problem continues. On the phone with Verizon for an hour and they let me know it is an Apple issue with software or hardware. No new word on the Apple update. Continuously having to turn my phone off and on which seems to fix the issue for a little moment but then jumps back to no service after a few hours. Hopefully this issue can be taken care of because my iPhone 8 had no service issues at all. I will say though in some areas I didn’t have very good service with my eight I do have service with my 12. Keep your eyes peeled for an update that may fix the issue.

Feb 14, 2021 2:42 PM in response to joxesCA

So many people reporting issues, and so much confusion about what's causing them. I live in Portland, OR, and I purchased two new iPhone 12's when they were first released. At home I had a weak signal that would drop calls, and I constantly had to toggle in and out of airplane mode to reconnect to Verizon. After many calls to Apple and Verizon, I finally sent an email to CEO Tim Cook. That was on a Friday. On Monday I got a call from a senior engineer who reviewed my logs. On Tuesday he called back to say they were flying an engineer up from Palo Alto. He arrived at my house at 5 pm that day, and took out 5 phones to run tests on my Verizon signal. He said that he believed that the Verizon towers were not configured correctly to choose the right signal band and the Apple engineers would contact Verizon to resolve the problem. On Wednesday afternoon I suddenly had two-three bars of signal strength, and I have not had a problem since.

Feb 14, 2021 4:40 PM in response to Sillydg

Sillydg wrote:

He said that he believed that the Verizon towers were not configured correctly to choose the right signal band and the Apple engineers would contact Verizon to resolve the problem. On Wednesday afternoon I suddenly had two-three bars of signal strength, and I have not had a problem since.


Which confirms the fact that it is a carrier issue.

iPhone 12 losing service

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