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Why iPhone Says No Service and How to Fix

By Emily Watson, Wednesday, August 09, 2020

If your iPhone says "No service", you can't make or receive phone calls, send text messages, or link to the Internet unless you're using Wi-Fi. It's easy to forget how essential our iPhones are to our lives — until they're not working. I'll explain why your iPhone says No Service in this article, and show you exactly how to fix the problem. 

Usually, No Service issue is caused by the below reasons: 

  • SIM card is damaged in some way or not placed in the correct way

  • SIM card is not loose or well-connected inside the SIM slot or gets dusty.

  • The signal of your mobile service provider is too weak where you use your phone

  • iOS needs to be updated

  • Other third-party software impacts mobile service.


Why Does iPhone Say No SIM Card? Here is the Best Fix

In these cases, you can first try to switch airplane mode on and then off or restart your phone to see whether the issue is fixed. If not, proceed to try the below five solutions.

Check your SIM card

To remove the SIM tray from your iPhone, use a SIM tool or straightened paper clip. Test your SIM card in another phone to decide whether there is a fault in your iPhone or the SIM card itself that triggers the Search or No service issue. You may need to consider ordering a replacement from your cell phone provider if the SIM card in another unit still doesn't work. Otherwise, our measures will proceed below. 

Check SIM Card In iPhone

When removing the SIM tray, look to the liquid indicator tab within your iPhone. It should be a little tiny little button. If it turns orange or pink your iPhone may get damaged to liquid. 

Reset network settings 

Your iPhone can reconnect to carrier and Wi-Fi networks after you update Network Settings. This means that you may need to re-enter your Wi-Fi password and make sure you have it before going any further. 

Open the Settings app and go to General, then scroll back at the bottom of the page to Reset. You can click on the Reset Network Settings button from this screen, and follow any additional prompts that appear. 

Reset Network Settings

Update carrier settings 

Does your iPhone continue to say no service? Then changing your carrier settings might help fix the problem. Keeping carrier settings up to date is necessary to solve some problems with the cellular network. 

Step 1 Firstly, make sure your iPhone has Wi-Fi connectivity. 

Step 2 Tap Settings > General > About to check the carrier version on your iPhone, then find the carrier option. 

Step 3 To search for changes, go to Settings and press General > About

You'll notice the option to change the carrier settings if there are any upgrades.

Update Carrier Settings

Enable cellular data settings

Keep an eye on all cellular data settings to ensure no error is caused because of this. 

Here are some of the significant steps you need to check for: 

a. First, ensure that the device is within the area of the network coverage area.

b. Then check whether or not the cellular data is set to ON

To check the status of the cellular data, navigate to Settings > Cellular > Cellular Data.

c. When traveling, ensure that mobile roaming is set to ON

Turn On Cellular Data

To do that, go to Settings > Cellular > Data Roaming to toggle on the service. 

d. To switch off the Automatic network/carrier selection, visit Settings > carriers > Turn off Auto carrier selection

Ultimate way to solve the iPhone no service problem

Does your iPhone still say no service? No need to be disheartened. Following is the best solution that will get your phone running. 

The last choice that you can use to fix the "iPhone says no SIM" issue is to back up your iPhone data and launch iPhone restore with iTunes. Apart from iPhone says no service problem, FonePaw iOS System Recovery can also solve various other iPhone problems. 

Here some important features of the application: 

  • Restore irregular iPhone and iPad in one click to a usual status like dead, frozen, iPhone / iPad locked; 

  • Fix iPhone / iPad in two modes: Standard Mode (do not wipe data); Advanced Mode(wipe data)

  • Load iPSW without iTunes file on iPhone. 

Take the steps below to see how this works for you. 

Step 1 Download the FonePaw iOS System Recovery application and launch it on your PC/Mac. 

Download Download

Step 2 Click the Start button. The software lets you choose Standard Mode or Advanced Mode to restore your iPhone. If you don't want to lose data on an iPhone, press Standard Mode and click the Confirm button. 

Select Standard Mode

Connect your iPhone 11 / XS / XR / X/ 8 / 7 to your computer and follow the on-screen instruction to restore your iDevice. 

Step 3 If this is your first time using FonePaw iOS System Recovery, the application will guide you to enter into Recovery Mode. Just follow the instructions on the software.

Put Device In Recovery Mode

Step 4 Select the corresponding iOS version of your device. Then, the software will begin to download the firmware package to restore and patch your iPhone or iPad to normal status.

Download Firmware Package


If none of the above solutions works, the issue is much likely to be caused by the hardware or service carrier so that it'd better for you to consult any local store or contact your phone carrier.  

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