How to fix Call Failed Error on your iPhone (Step by Step Video)


Are you having difficulty in fixing the iPhone called failed error? This issue can annoy anyone when they are trying to make a phone call to a relative, a close friend, or employer. Despite the version of your iPhone, you want this issue to be resolved as soon as possible. We have covered many troublesome iPhone problems in the past. In this article, we are going to cover the simple steps that will help you fix iPhone call failed error with ease.

What Does Call Failed Mean?

It is not unusual for iPhone users to see “Call Failed” appear on the screen. Users say this message occasionally pops on the screen when they are trying to make a phone call. Some have even said they found the error while in the middle of aconversation. A weak signal in a particular area is usually the culprit behind a dropped phone call on an iPhone. A poor signal is the most common reason for dropped phone calls, but it is also imperative to point out that a damaged or improperly placed SIM card can lead to dropped phone calls. In some instances, software bugs can be blamed for this irritating experience.

Simple Ways to Fix the iPhone Called Failed Error

Adjust Airplane Mode Option

Let’s begin with the easiest solution. Turn on the Airplane mode by swiping up from any screen of your iPhone. This will give you direct access to the Control Center. Touch the Airplane icon on the upper-right corner of the Control Center. Turn the Airplane mode off after waiting for a few moments.

Date and Time

Carefully check if the date and time is set properly (especially if you coming from different time zone). Traveling through different time zones can change your date and time settings. Selecting “Set Automatically” is the easiest way to adjust the date and time. First, make certain your iPhone is properly connected to Wi-Fi. Next,

  1. go to Settings
  2. General
  3. Date and Time
  4. Turn on “Set Automatically”.

Dial *#31#

This hidden iPhone code can be used to disable your outgoing anonymity status. There is a possibility that you accidentally set your iPhone number to be hidden for your outgoing calls. This can easily lead to call failure when you make or receive a call.

Dialing *#31# is the simplest way to do this.

  1. You can also open Settings
  2. Phone
  3. Show My Caller ID.
  4. Make certain the button color next to it is green.

Restart iPhone

This is a powerful solution that you cannot afford to overlook if you need to fix the iPhone called failed error. Many technical issues can be fixed if you restart your iPhone. Simply press and hold the Sleep/Wake button on your device for a few moments. The red slider will appear. Move the red slider from left to right. Release it immediately. Wait for at least twenty seconds. Turn your phone back on by pressing the same button until the Apple logo appears on the screen.

Carrier Settings Update

The Carrier Settings are all the settings associated with carriers and Apple. This includes cellular data,network, voicemail settings, call, hotspot, and messaging. Updating your iPhone’s Carrier settings can resolve your dropped calls issue.

Do the following:

  1. Make sure your iPhone has a stable Internet connection.
  2. Go to Settings
  3. General
  4. About

If the update is available, you will see the notification on the screen.

Disable LTE

You can turn on the LTE if you would like to get a faster Internet connection for your iPhone. It is imperative to point out that disabling the LTE can have a big impact on your text messages, voicemail, cellular data, calls, and battery life. To see if this feature is responsible for your failed error, disable it for a few minutes.

  1. You can open Settings
  2. Cellular
  3. Cellular Data Option
  4. tap Voice and Data
  5. In this instance, choose 3G.

Reinsert Your SIM Card

Your SIM card can be the reason why you are having a dropped calls issue. Check your SIM card for scratches or damages. Check your SIM card thoroughly by going through the following steps.

  • Use a SIM-eject tool or a paper clip to open the tray.
  • Take out your SIM card.
  • Insert your SIM card into another smartphone. This will determine if your SIM is damaged.
  • Insert another functional SIM card into your iPhone.

Contact Your Carrier

Contact your carrier if the “Reinsert SIM Card” method does not work. Ask your carrier if they are experiencing any problems with their network. If not, ask for a new SIM card.

Update iOS

In some instances, abug can create errors on your device. This includes iPhone call failed issues. Updating your iOS is vital because it can fix bugs and make important improvements. Many iPhone issues can be resolved with this method.

For preparation, make certain your iPhone is charged (at least fifty percent) and is connected to a strong Internet connection.

  1. Open your settings
  2. General
  3. Software Update.
  4. If an update is available, your iPhone will download it after it has loaded.
  5. Tap “Install Now” when the update is ready.

Reset All Settings

One setting can easily have a deep impact other settings. Resetting all settings will take your iPhone to its default settings. Don’t worry. This will not delete your data.

  1. Go to Settings
  2. General
  3. Reset
  4. Reset All Settings
  5. After you enter your pass code, select “Reset All Settings”.

Erase iPhone

Are you still experiencing a problem in fixing the iPhone called failed error? If so, it is now time for you to erase your iPhone. This effective technique will reset all your settings and erase the content on your phone. It will also erase your and apps. This is why it is vital for you to back up your data.

Here are the simple steps to erasing your iPhone:

  1. Open the Settings
  2. General
  3. Reset
  4. Reset All Contents and Settings.
  5. Enter your pass code.
  6. Touch Erase iPhone to confirm.

Restore iPhone

This technique will erase everything on your iPhone. It will also place your phone back into its new status. Please keep in mind that you must back up your data before restoring your iPhone.

  • Make certain your iPhone is fully charged.
  • Make sure your iPhone is connected to a stable Wi-Fi station. This will prevent your iPhone from getting stuck in the recovery mode.
  • Connect your iPhone to a PC/Mac with a lightening cable. The latest iTunes version can only be used for this step.
  • Click Restore on the Summary tab.
  • iTunes will download the firmware before the process begins.
  • Give the restoring process time to finish.

The solutions listed above are effective in fixing the iPhone call failed error on the following iPhone models: iPhone 4, iPhone 4s, iPhone 5, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, and iPhone SE. It is imperative for you to take your time while performing each technique. You will be extremely happy after resolving this pesky issue.

Here’s our Step by Step Video Guide on Solving the Call Failed Issue

Elliot V. King

Elliot V. King

Elliot Victor King is a Tech Enthusiast from Salt Lake City with years of experience in building websites. Having been involved with Mobile Technology and Computers from an early age, Elliot's Mission at is to evolve the Website to new levels by contributing helpful content for our readers to enjoy and learn from. To contact Elliot send an email to [email protected]

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