Fix iPhone Call Failed iPhone 6 Error: How to Fix Call failed iPhone 6, iPhone 6 Plus in iOS 9 or later. Has anyone experienced Call failed problems with their iPhone 6, iPhone 5, or iPhone 4s? This error iPhone Call failed or Call failed iPhone 6 appears to happen during phone call conversations and most of them appear to happen when you try to dial a phone number, press call and the phone returns a message back to say call failed. Some users also experienced this iPhone Call failed error during their Calls. It’s annoying, and if you have any of these iPhone models iPhone 6, 6 Plus, iPhone 5, 5s and 5c you may get this error iPhone Call failed or Call failed iPhone 6. Follow the below steps and Instructions to Fix 6, 6 Plus, iPhone 5, 5s and 5c you may get this error.
- Dial *#31# to Fix Call failed iPhone 6 error
- Toggle Airplane Mode for some time and turn it off
- Close Unnecessary Apps and see if it solves error iPhone Call failed or Call failed iPhone 6
- Toggle off Automatically date and time.
- Turn on Show My Caller ID to fix error iPhone Call failed or Call failed iPhone 6
- Reboot iPhone 6, 6 Plus, iPhone 5, 5s and 5c or ipad Whichever you have.
- Reset iPhone Network Settings
- Reset all iPhone settings to solve error iPhone Call failed or Call failed iPhone 6
How to fix Call failed iPhone 6 and iPhone 6 Plus in iOS 8, iOS 10
Solution #1: Dial *#31#
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This is the easiest and fastest way to fix Phone Call failed or Call failed iPhone 6 error. Just Go to > iPhone dial pad and dial *#31#. It will show a message that setting interrogation succeeded, calling line ID restriction disabled. Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 2.
Solution #2: Turn Airplane Mode on and then OFF
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There are two ways to turn on or Off iPhone Airplane mode.
- On your iPhone, iPad, or iPod touch, go to Settings > Scroll down Settings > Mobile data airplane mode This is one of the efficient ways to fix the issue.
- You can also turn on Wi-Fi or Bluetooth from the Control Center. Swipe up from your Home Screen and tap or . To use Wi-Fi and Bluetooth on your Apple Watch, just turn off Airplane Mode.
Solution #3: Close Background Apps
This is the easiest and fastest way to fix Phone Call failed or Call failed iPhone 6 error.
- View your open apps. Double-click the Home button to see your most recently used apps.
- Find the app to close. Swipe right or left to find the app that you want to close.
- Swipe up to close. Swipe up on the app’s preview to close the app.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 4.
Solution #4: Set Date & Time Settings to Manually
Open the “Settings” app and go to “General”, then to “Date & Time”
- Toggle the switch for “Set Automatically” to the OFF position.
- Adjust your date and time using the dials to fit the accurate date and time of your location.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 5.
Solution #5: Turn on Show My Caller ID on iPhone

- Tap to open Settings from your settings.
- Choose Phone from the Settings menu.
- Select Show My Caller ID from the Phone menu.
- Tap the Show My Caller ID switch to disable the feature.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 6.
Solution #6: Reboot iPhone
- Press and hold the sleep/wake button. …
- Slide the red slider to turn off the iPhone, and then wait a few seconds.
- Press and hold the sleep/wake button again until the Apple logo appears on the screen.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 7.
Solution #7: Reset Network Settings
If you think that network is the culprit behind call failed on iPhone, you can go for Reset Network Settings. Reset your Network Settings. Tap Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you’ve used before. If you have another device, see if you can connect your carrier’s network with it in that location
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 8.
Solution #8: Reset Your iPhone to Factory Setting
Since this action will erase all your data from iPhone, To reset your iPhone or iPad go to Settings > General > Reset and then select Erase All Content and Settings. After typing in your passcode if you’ve set one, you’ll get a warning box appear, with the option to Erase iPhone (or iPad) in red. Tap this.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 9.
Solution #9: Restore iPhone
The restoring process on iPhone will wipe all the things on your iPhone completely and will bring your iPhone as new. Don’t forget to back up your data before following the steps.
- By using iOS Recovery mode
- If you’ve synced with iTunes, use these steps.
- If you’re signed in to iCloud and Find My iPhone is enabled, use these steps.
- If you don’t use iCloud and you can’t sync or connect with iTunes, use recovery mode.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 10.
Solution #10: Update iOS
Sometimes, a bug can make some errors on your device, including iPhone call failed issues. Plug your device into power and connect to the Internet with Wi-Fi. Tap Settings > General > Software Update. Tap Download and Install. If a message asks to temporarily remove apps because iOS needs more space for the update, tap Continue or Cancel.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 11.
Solution #11: Disable LTE
First of all, head into your Settings app and tap on Cellular. You can turn off all cell data completely here by toggling the button to OFF. If you want to leave cell data on and just disable LTE, tap on the Cellular Data Options button, then tap on Enable LTE. Your choices here are Off, Voice & Data, or Data Only.
Now, check if the Phone Call failed or Call failed iPhone 6 problem has been solved, if not Go to Solution 12.
Solution #12: Reinsert SIM card
Your SIM card can be one of the reasons for iPhone dropped calls issues. After you remove or transfer your SIM card, insert the tray completely and in the same orientation that you removed it (it will fit only one way).
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