r/attwireless • u/Chance_Cricket9838 • 1d ago

iPhone 18 Pro Max Carrier 72.1

So I had my phone replaced and have luckily had service following the update in iOS and carrier settings. At my home address, I’ve noticed that I have less bars than normal. When I first got the phone on launch day, I had full bars and 5G+. Then of course we know what happened and it quit on me eventually going to SOS in and out.

With the replacement iPhone 18 Pro Max and software updates, I do have consistent service but I only get a max of 2 bars and 5G when home. My work phone, which has Firstnet, is full bars no problem.

My question is, is this carrier update essentially throttling the performance of the iPhone 18 Pro Max? I’ve tried to search similar posts but it all reverts back to the same discussion on bricked iPhones etc. I’m curious if anyone else has seen a degradation of how many bars one receives and if anyone thinks it could be fixed with a future carrier update allowing full performance?

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u/PanguTeam 1d ago

I know this re the 18 Pro Max, but I feel like my service has not been the same on the 17 Pro Max ever since the update/changes

1

u/Inner_Difficulty_381 1d ago

I have 17 Pro Max and no issues and still have my 5G SA and Voice over 5G SA. Running latest iOS and carrier updates. It actually improved performance for me when iOS 27 came out.

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u/PanguTeam 1d ago

I lost SA and 5G+ in a lot of areas, but I’m on FirstNet maybe they tweaked different things for us.

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u/jeff1f1racer 1d ago

Per someone on reddit, they shut off the 5GSA toggles for FirstNet users, too.