9 Effective Solutions to Fix 'iPhone No Service' Issue

We cannot do anything without network connection in our daily life. Therefore, service connection is a necessary for most of us. And, you need to do almost everything every day with your phone. From commuting/working/receiving important work information to calling your family at night, your phone should always have service to be online. However, if your iPhone says no service, there may be problems on the device. In addition, it will quickly drain your iPhone battery as your iPhone will continue to search for an available service . Therefore, ‘iPhone showing no service’ error should be solved as soon as possible.

iphone no service

Why Does My iPhone Say No Service

If you have this problem on your iPhone, you may want to know the possible reasons behind the issue of ‘iPhone says no service’.

  • iPhone network connection is poor.
  • There is something wrong with SIM card.
  • SIM is not inserted properly so that it cannot be detected.
  • iPhone errors or software problems.
  • iOS 13/12/12.1/12.2/12.3/12.4 upgrade.

9 Effective Ways to Fix ‘iPhone No Service’ Problem

1. Check the Coverage of Signal

Your first solution should be to check if your signal is covered. This seems too obvious, but it is a common mistake. So make sure that the cellular data is turned on.

If this issue is cause by the cellular network connection, then ensure that cellular data is turned ON by going to Settings > Cellular Data.

During the trip, make sure that the roaming is also enabled on your iPhone. Go to the Settings, then select Cellular Data and turn on Data Roaming.

enable cellular data

2. Turn off and Turn on iPhone

This may seem too simplistic. But if your iPhone says no service, this is possible the most effective way to get your iPhone cellular network back to life. Turning off your iPhone is just to force the programs running in the background to start over. These background programs sometimes may cause network problems that temporarily delay the connection.

To turn off the iPhone, keep pressing the Power button until “Slide to Power Off” appears on the screen. Use your finger to swipe the icon on the screen. Wait for 20 seconds to turn it off completely, then press the power button to turn it back on until the Apple logo appears on the screen.

turn off and turn on iphone

The connection issue will be resolved if "Searching..." has disappeared. However, if you are still facing this problem, you may need to try the next solution.

3. Update Carrier Settings

If your iPhone keeps saying no service, then updating your carrier settings is the next solution you need to try. It's important to keep carrier settings up to update so as to resolve some cellular network issues.

Step 1. First, make sure that your iPhone is connected to Wi-Fi.

Step 2. To check the carrier settings version on your device, tap Settings > General > About, then find the carrier option.

update carrier settings

To check for updates, go to the Settings, click General > About. If there are any updates, you will find the option to update the carrier settings.

4. Remove the SIM Card and Insert it

The SIM card shall be connected to the wireless carrier to provide you with network. Sometimes your SIM card may be the source of connectivity issues. So remove it to clean up and gently put it back into the same tank.

Then check if the ‘iPhone no service’ issue is resolved.

Note: If your SIM card is damaged or not inserted in the SIM tray, you will need to contact your carrier.

5. Reset Network Settings

If you accidentally change your iPhone settings, resetting the network to factory defaults is a reliable way to get rid of network problems. Doing so will reset the Wi-Fi network, password, cellular settings, VPN and APN settings that you previously used. So hopefully, this will cure your ‘iPhone no service’ issue.

To do so, go to Settings > General > Reset and click Reset Network Settings.

reset network settings

Note: After resetting network settings, all previously saved passwords will also be deleted such as the Wi-Fi password on your phone. Before proceeding, make sure to store the password information on somewhere that you are familiar with.

6. Update iPhone Version

It is very important to update your iPhone to the latest version! This is worth mentioning and trying. All update versions are released to fix errors and issues that your device may have, so it's important to update the device to the latest version.

To do this, go to Settings > General Options, and select Software Update to install the latest version.

update iphone version

7. Contact the Carrier Provider

If the solutions above can't solve the iPhone no service problem, then it's time to contact the carrier provider to see if their server is ok. If there is any disruption in the area and your device is not blocked from receiving cellular networks, then contact the carrier provider.

If you need help to find a wireless carrier service, you can look through the Apple Carrier Support article for carrier-related support.

8. Restore iPhone Using DFU Mode

Update Your iPhone with firmware should be the last resort to solve the problem of iPhone showing no service. If your firmware is corrupted in some way, then restoring your phone to factory settings will eliminate the issue.

Keep in mind that restoring your iPhone will delete everything on the device and restore its software to factory settings. So back up all your iPhone information to iCloud or iTunes first, then restore the backup to the newly reset iPhone.

Step 1. To do this, connect the iPhone to your computer then open iTunes.

Step 2. Then, simultaneously press and hold the Home Button and volume down button for 8 seconds.

Step 3. Release the sleep button, but press and hold the Home button until iTunes detects the iPhone in recovery mode.

Step 4. Release the device’s home button. After that, your iPhone screen will be in black and enter the DFU mode.

dfu mode

Step 5. Finally, restore the backup to iPhone with iTunes.

put iphone in recovery mode

Note: If you use DFU to restore your iPhone and it doesn't solve the problem, don't worry, the Apple support team is always here to provide service for your iPhone, you can contact them via https://support.apple.com/en-in

9. Fix ‘iPhone No Service’ without Data Loss

Sometimes, this issue may be caused by your software error if the above solutions are not effective to fix this issue. In this case, FoneGeek iOS System Recovery will be the best option to resolve the glitch on your iOS devices. It is developed by professional team to repair all operating errors including iPhone black screen, white screen, won’t turn on, messages not sending or received, etc. And there will be no data loss after the fixing process. You can also check the procedures below to use this tool.


Step 1. After downloading, installing and launching the program, choose the option of ‘iOS System Recovery’.

choose ios system recovery

Step 2. Connect the device with the signal error on your computer and click ‘Next’.

connect device to pc

Step 3. The program will ask you to put the device into DFU mode and detect all the firmware package for your iPhone. You can choose the most appropriate one and click ‘Repair’.


Step 4. Your iPhone will restart when the repair fixing process is finished and back to normal.

fix iOS system


By Joan J. Mims

Posted on May 05, 2019, 23:05:15

Joan J. Mims is interested in researching all tips about iPhone, iPad and Android. He loves to share useful ideas with all users.