How to Check for a Carrier Settings Update on iPhone

Dec 22, 2014 - 15 Comments

iPhone Carrier Settings Update available

From time to time, your cellular network provider or Apple may issue a carrier settings update to an iPhone or cellular iPad device. The updates are usually very small and make adjustments or improvements to carrier specific settings pertaining to the cell network, data, personal hotspot, voicemail, text messaging, or making calls. While you may see a carrier update pop up randomly on your iPhone, or a request to install one during a general iOS update, you can also manually check for these carrier updates on your own at any time.

Check For & Install Cellular Carrier Settings Updates in iOS

Carrier updates are usually quick and fairly inconsequential, though it’s still good policy to backup your iPhone before attempting to install one. This works the same on any cellular equipped iOS device, whether an iPhone or iPad:

  1. Open the “Settings” app and go to “General”
  2. Tap on “About” and wait a moment at the about screen, if a update is available you will see a popup window that says “Carrier Settings Update : New settings are available. Would you like to update them now?” with ‘Not Now’ and ‘Update’ as the two available options, tap on “Update” to install the carrier settings update onto the iPhone

The update screen looks something like this:

Carrier Settings Update on an iPhone

Installing the carrier update will make your cellular service cycle off for a moment and then back on, so you won’t want to try to install the update while you’re transferring data or in an important conversation, whether though a call, SMS, iMessage, or voice texting.

Though these are usually pushed and installed onto your iPhone when you update iOS, if you haven’t seen a carrier update in quite some time, it can be a good idea to check every once in a while to see if one is available. Sometimes they can even add new features to your iPhone, for example, a recent carrier settings update available to many iPhones on US cell providers offered the ability to change the data connection from LTE, 3G, or Edge, a feature that was made possible with an iOS update, but had to be specifically allowed by the carrier as well.

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Posted by: Paul Horowitz in iPad, iPhone, Tips & Tricks


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  1. Jon Abierto says:

    I have seen these on Verizon and AT&T when updating to a new version of iOS, and have never noticed any new features added.

    I think they mostly adjust cell tower and bandwidth behavior, because my iPhone cycles less after a recent one, which is nice since jumping towers seems to drop active connections often.

    • Michael Maher says:

      I get these from time to time from my carrier in Australia Telstra. I never have dropouts when moving about or any other time for that matter. I guess that is what being with the worlds best mobile carrier (Telstra) is all about. Shame my US friends can’t experience this wonderful natioanl carrier.

      • Ben says:

        I had the opposite experience with Telstra. We were often unable to make or receive calls from our inside or outside our house in the eastern suburbs of Melbourne. Calls frequently dropped out. Telstra were never able to provide any constructive advice. We’re now with Virgin (on Optus network) which works fine.

  2. Kevin says:

    “if a update is available”. See anything wrong here?

  3. Alexander says:


    This message every time pops up on iTunes when it connects to iPad (wifi and cable).
    If I answer Yes, it says it is updated, but if I unplug and plug it will pop up again. If I follow your procedure, nothing happens – I guess it means no updates required.
    So to summarize, I cannot find a way to get rid of this check. Do you have some tips to tell me? Thank you.

  4. polgoz says:

    Guys, every time i connect my iPhone 6 plus to the iTunes on MBP — it asks me for: ” An update to the carrier settings for your iPhone is available. Would you like to install it now?” Every time I click to update – it shows update successfully , but when connect it ago – it skas again the same… Any suggestions how to fix this annoying “update” ?

  5. Danielle says:

    I was thing this can check carrier name and simlock status. Anyway you can check this at
    Result is correct, include purchase date, manufacturer date and perfect with me.

  6. Kevin says:

    So its really nothing we will notice right?

  7. DraganS says:

    I had the same repeating issue: asking to install new update every time I hooked my iPhone to the my Mac.

    WHAT HELPED: went to my personal page at my mobile provider and changed iPhone 5s into 6s ownership. And then it stopped to bug me so far :-P

    I hope this could be a tip which will work for you as well.

  8. Sudin says:

    I wish to know the carrier for which the iPhone is locked. somebody will help me in this regard

  9. Chetan says:

    NEVER do it !!! I did it once and suffered a lot.. Suddenly after update, I started been charged 10 to 100 times more for normal data(internet) usage. Couldn’t even find any option to revert back the settings … Finally end up with changing the service provider from Airtel to Idea.

  10. Dhuha says:

    Hi i have purchased a new iphone lately but i have ignored “carrier update” several times. Now my iphone is unable to detect says “no service”. It is updated. What can i do???

  11. Claudia says:

    This is the first time in two plus years on my iPhone 6 I’ve seen this pop up. What are they updating ? It doesn’t say what the update is like an iOS update

  12. Dejanae Travis says:

    How can I change my carrier from T-Mobile to sprint

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