---
title: "How to fix No service error on your iPhone 8, calls and SMS not working"  
description: "How to fix No service error on your iPhone 8, calls and SMS not working"  
author: "Akash Ahlawat"  
published: 2018-10-15  
canonical: https://answers.mindstick.com/qa/50572/how-to-fix-no-service-error-on-your-iphone-8-calls-and-sms-not-working  
category: "troubleshooting"  
tags: ["iphone 8"]  
reading_time: 2 minutes  

---

# How to fix No service error on your iPhone 8, calls and SMS not working 

How to [fix No service](https://answers.mindstick.com/qa/50892/how-to-fix-no-service-error-on-iphone-7-plus-after-ios-11-update) [error](https://www.mindstick.com/forum/459/iis-7-error-503-service-unavailable) on [your iPhone](https://answers.mindstick.com/qa/50411/what-to-do-if-your-iphone-x-can-t-be-detected-by-computer) 8, calls and [SMS](https://www.mindstick.com/articles/311487/how-to-use-sms-to-improve-customer-service) not working \
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## Answers

### Answer by Hitesh Vohra

**A faulty [SIM card](https://answers.mindstick.com/qa/50631/how-to-use-and-manage-sim-card-on-your-iphone-8)** on your cellphone might also cause no [service](https://www.mindstick.com/articles/23232/maruti-suzuki-launches-service-festival-initiative) problems, searching, and other associated errors. This could happen as a result of a big system update. Fortunately, such issues can be readily fixed by simply by replacing your iPhone's SIM card. Here's how you do it: \

1. **Completely turn off your iPhone.**
2. Insert the **SIM ejector tool i**nto the little hole on the SIM tray on the side of your phone while it is turned off.
3. Push the tool gently until the tray ejects.
4. **Remove the SIM card** from the tray and set it aside. Also, look for any visible signs of damage, such as scratches or liquid traces, on the card. If there aren't any, replace it in the tray in the same arrangement as before.
5. Make sure the SIM card is seated properly.
6. Then, until the phone locks, **push the tray back into the phone.**

After securing the SIM tray in place, restart your iPhone to verify if the **No service problem has been resolved.** **\** **[Read more](https://answers.mindstick.com/qa/50580/why-does-my-iphone-8-won-t-connect-to-wi-fi-cannot-access-wi-fi-internet-and-how-to-fix-it)**


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Original Source: https://answers.mindstick.com/qa/50572/how-to-fix-no-service-error-on-your-iphone-8-calls-and-sms-not-working

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