Sometimes, iPhone can surprise you by informing that it has No Service or get stuck Searching for a Cellular Network. You will find below the steps to troubleshoot and fix this problem.
No Service on iPhone
When your iPhone says “No Service” and gets stuck “Searching” for a cellular network, it is having problems connecting to your service providers network.
Since, there is No Cellular Service on your iPhone, you won’t be able to receive phone calls, send messages or connect to internet using Cellular Network.
The “No Service” error on iPhone can be caused by various reasons, ranging from your device being out of service range to software and hardware related issues.
1. Restart iPhone
Shut Down iPhone by going to Settings > General > Shut Down and wait for your device to completely Power OFF.
Wait for 30 seconds and Restart your iPhone by pressing the Power Button.
2. Enable/Disable Airplane Mode
Enabling and Disabling Airplane Mode helps refreshing cellular network and resets the wireless antennas on your iPhone.
Go to Settings and move the toggle next to Airplane Mode to ON position.
Wait for 30 seconds and Disable Airplane Mode by moving the toggle to OFF position.
3. Disable Automatic Network Selection
Sometimes, the problem is caused due to iPhone being unable to automatically connect to your service providers network.
Go to Settings > Cellular > Carrier Services > move the toggle next to Automatic option to OFF position.
After disabling Automatic Network selection, manually select the Network on your iPhone by tapping on your Service Provider’s Name.
4. Enable Roaming Data
You need to Enable Data Roaming, if you are currently located in an area which is outside the range of regular Cellular Service provided by your service provider.
Go to Settings > Cellular > and enable Data Roaming by moving the toggle to ON position (Green).
After Enabling Data Roaming, check if your iPhone is now able to connect to Cellular Service.
5. Check for Updates
Install updates on your iPhone by going to Settings > General > Software Update.
On the next screen, tap on the Install option (if available) to install the available updates on your iPhone.
If your iPhone is unable to connect to WiFi, you can install updates by connecting your iPhone to Mac or Windows computer with iTunes installed on it.
When you connect iPhone to computer, iTunes will automatically ask if you would like to update iPhone.
6. Remove and Reinsert SIM Card
Remove the SIM Card from your iPhone and inspect for visible signs of damage. If it looks alright, reinsert the SIM Card into your iPhone and see if you can now receive Calls.
Insert the SIM Card into another iPhone (if available) and see if it is working. If the SIM Card is not working on another device, it confirms that it is damaged and needs to be replaced.
7. Reset Network Settings
Sometimes, the problem is due to faulty or corrupted Network Settings.
Go to Settings > General > Transfer or Reset iPhone > Reset > On the pop-up, select Reset Network Settings option.
If prompted, enter your Lock Screen Password > On the confirmation pop-up, tap on Reset Network Settings to confirm.
After Network Settings Reset, reconnect iPhone to Cellular service and see if it is still showing “No Service” or “Searching” for a network.
8. Check with Your Carrier
If above methods did not help, use landline or another phone to report the problem to your service provider.
Cellular Services can be temporarily suspended and Service plans cancelled due to suspicious activities and other reasons.