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iPhone 7 mobile data update failed

Hi , I am facing mobile data update failed in my IPhone 7 and though I updated my IOS to latest version still issue occurring. Will this issue resolve any software change or need to change device completely ? Any help

iPhone 7, iOS 14

Posted on May 26, 2021 8:18 AM

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Question marked as Top-ranking reply

Posted on May 26, 2021 8:23 AM

Go to Settings/General/About and look at Modem Firmware. Is the entry blank? If it is you need to reinstall it by restoring the phone to factory settings, then restoring a backup. Back up the phone first, of course:

  1. How to back up your iPhone, iPad, and iPod touch - Apple Support
  2. Restore your iPhone, iPad, or iPod to factory settings - Apple Support
  3. Restore your iPhone, iPad, or iPod touch from a backup - Apple Support


If the modem firmware DOES have a value you may have a hardware problem. The first step is what I just posted, but after that you need to contact Apple support using the Get Support link at the top of this page.


If it is an iPhone 7 see this link→iPhone 7 Repair Program for "No Service" Issues - Apple Support

3 replies
Question marked as Top-ranking reply

May 26, 2021 8:23 AM in response to NareshS

Go to Settings/General/About and look at Modem Firmware. Is the entry blank? If it is you need to reinstall it by restoring the phone to factory settings, then restoring a backup. Back up the phone first, of course:

  1. How to back up your iPhone, iPad, and iPod touch - Apple Support
  2. Restore your iPhone, iPad, or iPod to factory settings - Apple Support
  3. Restore your iPhone, iPad, or iPod touch from a backup - Apple Support


If the modem firmware DOES have a value you may have a hardware problem. The first step is what I just posted, but after that you need to contact Apple support using the Get Support link at the top of this page.


If it is an iPhone 7 see this link→iPhone 7 Repair Program for "No Service" Issues - Apple Support

May 27, 2021 5:57 AM in response to Lawrence Finch

Thank you Lawrence Finch.

Hey, after factory reset my mobile stopped working completely. It simply asking me shutdown the mobile so it seems there is some hardware issue which we cant resolve through software updates. is apple replacing the mobile which has hardware issue ? is invoice mandatory for replacement ? any other options if we do not have invoice ?

Thanks in advance.

iPhone 7 mobile data update failed

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