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iPhone 11 Pro Max 4G LTE Signal Issue

The new iPhone 11 Pro Max loses 4G signal from time to time (every a few minutes) when the Wi-Fi is off or no valid Wi-Fi hot spot is nearby.


Wi-Fi is off: The 4G signal drops to null in a sudden, and restores to full (4 bars) in 2-3 seconds. This happens regularly.

Wi-Fi is connected: The bars are steady - stay at 4 all the time.


I have tried:

  1. Disable Auto Network Selection
  2. Reset Network Settings
  3. Reset All Settings
  4. Reset All Content and Settings


None of them shows promising improvement.

iPhone XS

Posted on Sep 21, 2019 8:22 AM

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Posted on Sep 27, 2019 9:22 PM

I have connectivity issues too with my 11 pro max. I live in an area with spotty connection but it’s much worse with the new phone versus my old XS Max. Upgrading to 13.1 did not help. Switched the SIM back to my old phone and it works just fine. Super frustrating.

364 replies

Oct 27, 2019 9:26 AM in response to BicycleBob

The LTE signal issues with my 11 pro (Verizon) have resolved (in US). I have iOS 13.1.3 . There are some apps however, that I am unable to change the location settings in the apps, which is clearly a software issue. Before, whenever coverage is on LTE, the phone would be crippled, even with full bars of LTE, couldn't even open Google homepage. This being my time with Apple/iOS for first time ever, I'm not amused. So much for the "just works" every Apple fanboy told me.. ugh

Oct 27, 2019 9:23 AM in response to Thibaultva

Oh...well then it's Russian Roulette, some replacements are ok, some are not.

For the record, I have an Iphone 11 from Tmobile and do not have any problems.

I had an Iphone XS Max last year with Verizon and it did the same thing.

I had the Iphone 11 Pro Max this year with Verizon and I returned it for the same issues.

I had an XR with Tmobile: no issues.

It's either Verizon not playing nice with the Max phones or something else.

I see that others have issues regardless of carrier. It's not a good thing!

I think the dual sim was not ready for prime time IMHO.

Oct 28, 2019 12:58 PM in response to ming36

iPhone 11 Pro Max 512 - Verizon

I've had it since day one of the launch and it's been great, until last week (October 24th).


I can have 4 bars and can't make a call. It just shows dialing, but no dial tone, then call failed.


Or I will have three bars and I can hear who I'm speaking with, but either they say I'm breaking up or they can't hear me at all and they hang up.


I call back and it won't go through again.


It goes from four bars to one to none in highly populated areas where I have never had an issue with any of my past four iPhones.


I went to the Genius Bar today and they ran diagnostics stating I had only 8 calls in my past 100, but they were all three days ago, Oct 25th! They 'reset software'. Next step factory reset the phone if necessary. Next step replace SIM cards if necessary and lastly they said they can replace the phone. And they did say they would replace the phone when I was at the Apple Store today, but they said that they will only do this once so I opted to try the software reset. I want to say it seems better, but I was still getting more drop-outs than I should. I will be checking it over the next two days as I will be traveling a few hundred miles in my car and will test it, but I am not optimistic based on my experience on my drive home today from the Apple store which is 18 miles.

Oct 31, 2019 12:01 PM in response to lovekokosik

если у Вас версия 13.2, сделайте даунгрейд до 13.1.3. Если не помогает то в 13.2 единственное на сегодня решение сбросить настройки сети и выставить принудительно использовать 3г сеть. Проблема софтварная, ждём скорого фикса.

я участвую в бета тесте, инженеры аппле связывались со мной и просили логи моего устройства, так что явно работают над фиксом.

Oct 31, 2019 12:28 PM in response to Bania88

Since this thread is long, I will repeat here. I had 11 pro max 256 from T-mobile with all the same problems. Tried everything to no avail. Sent it back to T-mobile. Bought the same model unlocked from Best Buy - no problems works fine. Same SIM in both phones too. Just updated to iOS 3.2. - no problems, still works fine. I still think it is a hardware issue with a random number of defective intel modems. Apple has yet to step up.

iPhone 11 Pro Max 4G LTE Signal Issue

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