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iPhone 12 Pro Max dropping calls and poor phone signal

I have just received an iPhone 12 Pro Max and am having issues.


The signal is much poorer than my iPhone 11 Pro Max in exactly the same place - 1 bar instead of 2.


The call quality is poor and calls keep dropping.


I have read on here others are having the same issue.


Is this likely to be software or hardware? I have tried everything and Apple support have been unable to help me.

iPhone 12 Pro Max, iOS 14

Posted on Nov 25, 2020 7:53 AM

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Posted on Dec 7, 2020 5:49 AM

Been using iPhone since it’s inception. Upgrade every year. This iPhone 12pro has been the biggest disappointment to date. Picked up my new 12 pro on release day. Constantly dropping calls and losing service with the iPhone not activated banner popping up. Happens every time my phone leaves a particular service area and in between changing towers. Airplane on/off rarely fixed the issue. Usually have to do a hard reboot to get the signal back, & then will only show 3G connectivity. Been to Verizon about the issue, they performed the network reset trick to no avail. Really disappointed in the product I’ve touted and promoted for years. Big Fail on this one apple. Hopefully you are working on a quick resolution.

187 replies
Question marked as Top-ranking reply

Dec 7, 2020 5:49 AM in response to Bad_Deadpool

Been using iPhone since it’s inception. Upgrade every year. This iPhone 12pro has been the biggest disappointment to date. Picked up my new 12 pro on release day. Constantly dropping calls and losing service with the iPhone not activated banner popping up. Happens every time my phone leaves a particular service area and in between changing towers. Airplane on/off rarely fixed the issue. Usually have to do a hard reboot to get the signal back, & then will only show 3G connectivity. Been to Verizon about the issue, they performed the network reset trick to no avail. Really disappointed in the product I’ve touted and promoted for years. Big Fail on this one apple. Hopefully you are working on a quick resolution.

Dec 10, 2020 5:30 PM in response to R Cripps

Hello, I just purchase 2 pro max 256gb on Dec 3. I am having the same issue. I took it into the Jump Plus store and they basically did nothing. I tied switching service providers from Fido to Telus and then back to Fido but still the same issue. Here is what I did to resolve the issue,

  1. Open settings
  2. Select "Cellular"
  3. Turn off "Cellular Data"
  4. Select Cellular Data Options"
  5. Select Voice & Data and pick the 3G network.

Doing this gave me full bars within a few seconds and it is still working well.


Hope this helps, please let me know if this works for you.


Dec 15, 2020 5:13 PM in response to yangdy

I doubt it’s hardware. It seems that the software is doing a poor job of switching towers while keeping signal.


  1. I can recreate this a block down the street from my work. I have one bar there and even when sitting in one place I figure it’s swapping between towers and losing it.
  2. If I’m driving there are many areas I’ll have this happen and it will happen every time I drive down that road. There are roads I can drive for a long while without a problem but I wonder if it’s because signal strength may be stronger and the switch isn’t as rough on the phone. Not sure if that makes sense though.
  3. If I’m at home I can talk for hours without an issue. I’m staying in one area with a strong signal. No shock there.

One thing I find odd is that I hadn’t had any signal or call drop issues until maybe two weeks ago. I bought my iPhone 12 Pro on launch day. For me these issues started with a software update.

Jan 6, 2021 4:44 AM in response to adela_ro

have you tried turning off the 5G and just using LTE

  1. Open up Settings.
  2. Tap on "Cellular."
  3. Tap on your cellular plan or Cellular Data Options.
  4. Tap on Voice & Data.

 you'll see three options: 5G On, 5G Auto, and LTE

Change the option to LTE

this seemed to work for my wife's phone. My thoughts is the %G network in NY, USA is not developed enough yet for reliable phone calls and the ios software for 5G auto is not working correctly, bu that is my guess.

Dec 9, 2020 6:58 AM in response to Rocke Woelk

I am with Verizon and their support too has been horrible! They kept me on the line for literally over 3 hours and still no resolution. Wasted almost an entire day on it with them. They said something like the 12 is jumping on and off the 5G network causing this issue implying an iOS update will resolve it. We shall see.

Nov 30, 2020 5:47 PM in response to Iphone12promaxuser

I have dropped more calls in 2 days of having this new iPhone 12 than I have in the last 2 years with VW. They told me I have 14 days to return it so I will see what’s up but I’m sad. I don’t wanna give up my phone. However, I can’t pay $1400 for something so unreliable. I add that I have lived in the same home for 30 years and all the other phones that I have used with VW in this condo have been great and never gave me a problem, up until this one.

Dec 5, 2020 5:53 PM in response to miro196

Tell me about it. And I talked to Verizon and outside my 14 days and won't return it for me and want to swap out since this one sucks and is totally problematic yet they want to give me a refurbished phone. Nice! Glad I did this NOT. And how about those green orbs when using your camera at night...totally sucks too. I probably had over 12 dropped calls today alone.

iPhone 12 Pro Max dropping calls and poor phone signal

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