Fixed: iPhone Cellular Update Failed

Posted by Brian Davis on Feb 22, 2021 1:30 PM
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fix iphone cellular update failed

For people who haven't come across this situation might not know what cellular update failed iPhone 7, etc models really means. Actually, it is a piece of error message appears after you update your iPhone’s operating system. Usually, you will see "No Service" shown on the screen. This trouble makes you can't give or receive calls, access messages and use cellular data under the cellular communication features.

While for others who are beset with the issue may be wondering that what give rise to iPhone cellular update failed. Well, it is proven that the problem results from iPhone software and hardware glitches and errors in most cases.

No matter you are in which circumstance, if you want to know how to fix iPhone cellular update failed, 7 best methods are illustrated below before you send your device to any Apple Stores for reparation.

Fix 1: Turn Cellular Data off and on
Fix 2: Toggle Airplane Mode on and off
Fix 3: Reset Network Settings
Fix 4: Restart iPhone
Fix 5: Reinstall SIM Card
Fix 6: Check Cellular Carrier Updates
Fix 7: Best Way to Solve iPhone Cellular Update Failed

Fix 1: Turn Cellular Data off and on

When the notification of iPhone cellular update failed keeps popping up, you can try to temporarily disable Cellular Data feature and wait a few seconds to enable it again. To achieve that, just directly go to the Settings app on your iPhone's Home screen, then find the cellular tab to click, finally turn off Cellular Data and turn it on later.

turn cellular data off and on

Fix 2: Toggle Airplane Mode on and off

Given that still in the Settings app, you could attempt to toggle Airplane Mode on and off to fix cellular update failed iPhone 7. Why does this way may work? Because it can reconnect related services and remove some network bugs. Of course, you can complete the process on the iPhone control center and tap Airplane icon.

turn on and off iphone airplane mode

Fix 3: Reset Network Settings

Resetting iPhone's network settings also has the potential to make the message of iPhone cellular update failed disappear. In order to reset network settings, several click Settings on your device, open General option, scroll down and choose Reset button, lastly hit Reset Network Settings.

reset network settings

Fix 4: Restart iPhone

If the problem of iPhone cellular update failed still become unresolved, then it's time to try restarting your iPhone. Please follow the guide presented here.

To restart iPhone 8/7 and older, long press down the Power button until the slide to power off appears on the screen, then drag on the slider to close the iOS device. After that, open it by holding down the Power button again till the Apple logo shows up.

To restart iPhone 11/X and newer, hold down Volume and Power buttons simultaneously till the slide to power off appears, pull on the slider to turn off the device and press the Power button to turn it on after.

restart iPhone

Fix 5: Reinstall SIM Card

Or you can take out the SIM card on your iPhone first, after a few minutes, put it back to the tray and switch on your iPhone to see whether the issue of cellular update failed iPhone is removed.

Fix 6: Check Cellular Carrier Updates

To get rid of iPhone cellular update failed error message, it's also necessary for you to check cellular carrier updates. Please head to Settings on your iPhone and open it, then go to General > About. If it is available, a message will be presented on the interface, and you merely need to click on the Update button. After that, the matter may be settled down.

carrier settings update

Fix 7: Best Way to Solve iPhone Cellular Update Failed

To save your time and fix iPhone cellular update failed once and for all, you could skip the above 6 possible ways and immediately adopt this best fix – using professional iOS repair software including TunesKit iOS System Recovery. It is indeed a powerful tool to deal with iPhone, iPad, iPod and other iOS devices problems. And many Apple users apply this kind of iOS system recovery program to fix issues just like this one we are discussing now. You can have it both on your Win and Mac system computer. Get it for free to fix cellular update failed iPhone without data loss as soon as possible.

ios system recovery

Key Functions of TunesKit iOS System Repair

  • Fix 50+ iOS issues and other Apple TV problems
  • Offer two repair modes - Standard/Advanced Mode
  • One-click to enter or exit the recovery mode for free
  • Support downgrading iOS versions
  • Compatible with all iOS versions
600,000+ Downloads
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Step 1Connect iPhone to computer and open TunesKit

First, connect your iPhone to a computer with a USB cable and launch TunesKit iOS System Recovery on the computer. After your iPhone is detected automatically, click on the "Start" button to begin and then choose the Standard Mode to fix iPhone cellular update failed without data loss.

connect ios device

Step 2Download and verify firmware package

Make sure your device info is all right and correct it manually if anything is wrong. Next tap on the "Download" button to download related iOS firmware package matched with your iPhone. Wait a while until the process completes.

confirm information

Step 3Fix iPhone Cellular Update Failed

Press down the "Repair" button and start fixing the iOS. Do not plug out your device while it's repairing iOS system, or it may cause other problems. In the end, the cellular data failed iPhone is successfully fixed.

fix iphone cellular update failed

Final Words

Hopefully, this fire-new guide can give you some value in terms of solving iPhone cellular data failed. With 7 different ways afforded, you could choose any one as you like to get out of the trouble for sure.

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has covered tech and entertainment for over 10 years. He loves technology in all its forms.

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