b. Dial These Secret Codes to See if Someone Is Hijacking Calls & Texts on Canceling and deregistering (i.e., clearing, deleting, erasing, etc.) It's possible that you're in a location that has poor service good enough that your phone thinks it has cellular service, and you'll see a bar or two of signal strength at the top of your phone but bad enough that it can't actually complete a connection. Open the Settings and choose Mobile Networks. The message displays call failed. Toggle the feature on (grey to green) Toggle the feature off (green to grey) 2. All postings and use of the content on this site are subject to the. Find Solutions Here. Move the slider to the right to power off your device. He was famous for having terrible service at his house though. Whenever you install apps, theyll ask you for permissions to your microphone, contacts, and more. If yes, know that you havent run out of easy solutions yet. Bethelmina, by Apple may provide or recommend responses as a possible solution based on the information to Get Quick Solution >. Then, instead of picking Reset and resetting the network settings, go for the Erase All Content and Settings option and provide your Apple ID credentials. c. Then, confirm your action by tapping on Reset. ask a new question. If you continue to experience this issue, you should contact your wireless provider for further assistance. If the problem still persists, it could be a hardware issue which may require professional help. A network connection error might be responsible for this. Below, we will elaborate on some of the common causes: One of the most common solutions you can try to solve the call failed error on iPhone is by dialing *#31#. If you suspect the issue is due to a problem with your device or network, try restarting your phone, or contact your service provider. If it is, you will need to unblock it in order to make the call from this phone. Find the Airplane Mode icon and turn it on. Method 2. Select the exact files you needand hit Recover. When a call failed on your iPhone, and the gadget says theres no service, update your carrier settings. Update your basemental drug mod ,same happend to me its the solution.