How To Fix No Service In Iphone 4

When iPhone says no service, it means you can't use it for basic things, such as texting, calling, and using mobile data. The only way to access the Internet is by connecting to a Wi-Fi network. You won't be able to use the mobile internet until you get rid of the error. The same thing goes for messages and calls. The issue will appear in the areas with no network coverage or in the areas where network coverage is inadequate when you can also see a message "searching for service." Some other reasons for no service on iPhone are damaged SIM card, the fact the card is not correctly placed in the tray, or a software bug. The problem may also appear after the iOS upgrade.

Before you start solving the problem by trying out the solutions we have listed below, make sure you are in the area that has network coverage. Also, contact your carrier to make sure your account is active.

See also: How to Fix iPhone That is Stuck in Recovery Mode

How To Fix No Service On iPhone

Solutions For No Service On iPhone

Toggle Airplane mode

The easiest way to resolve the no service on iPhone issue is by turning on/off the Airplane mode. You can access the Settings >> General >> Airplane Mode. Please turn it on. Wait for one minute and turn it off again. The other way is by accessing the control center.

Swipe up the bottom of any screen, and the control center will appear.
Tap the Airplane sign on the top-left corner or control center screen to turn it on.
Wait for one minute, then turn it off.

airplane mode

Check the Cellular Data

If toggling Airplane mode didn't fix it, try this method. First of all, make sure your Cellular Data is On.

Go to Settings >> Cellular >> Cellular Data

Cellular data turned on

If you are traveling abroad, make sure that you have turned on the Data Roaming.

Open Settings >> Cellular >> Data Roaming

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Date and Time

Make sure your date and time that is set on your iPhone following your current time zone. The best option is to enable "Set automatically."

Connect iPhone to WiFi
Go to Settings >> General > Date and Time
Turn On "Set Automatically"

set automatically iPhone steps

Restart iPhone

Many common issues are resolved with a restart.

Press and hold the sleep/wake button
Once you see the slider (the one that says "slide to the power of"), drag it from left to right.
After the iPhone is entirely Off, wait for at least one minute.
Turn it again by pressing and holding the sleep/wake button until you see the Apple logo shows up on the screen.

How to Fix iPhone That is Stuck in Recovery Mode

Change "Voice & Data"

Changing Voice and Data can fix no service on iPhone issue. It is how many users fixed the problem. Here is what you need to do:

Head to Settings >> Cellular >> Cellular Data Option >> Voice & Data.
If you use 4G, switch it to 3G or vice versa.
Then, click the home button one time to go back to the home screen and see if your cellular network is back.

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iPhone Carrier settings update

iPhone carrier settings update includes the updates from your carrier related to the settings. For example, network, calling, cellular data, messaging, hotspot, and voicemail settings. Here is how to update your carrier settings:

Make sure your iPhone is connected to a stable Internet connection.
Tap Settings >> General >> About.
You will get a notification about the update if it's available.

How To Fix No Service On iPhone

Reinsert your SIM card

If none of those methods above is working, reinsert your SIM card.

Open the tray using a paper clip or the SIM-eject tool.
Please take out the SIM card and put it back properly
Close the tray and see the issue appears or not.

Note: Once you take out your SIM card, make sure the card is not scratched or damaged in any way. In case you notice the damage, contact your carrier and ask for a SIM card replacement. If you do not see any damages, insert your SIM card into another smartphone to see if the No service issue occurs. If it does, contact your carrier for a replacement.

How To Fix No Service On iPhone

source: ifixit.com

Update the iOS

The update always comes with bug fixes, and it also improves the security and the performance of iOS devices. That is why it is advisable to update the software when a new version becomes available. Here is how to do just that:

Make sure you are connected to the Wi-Fi network.
Open Settings >> General >> Software Update.
Wait for your iPhone to check the availability of the update.
Tap Download and Install.

Update the Software steps

Reset Network settings

This helpful method can fix no service on iPhone, but it is very effective for many other problems, including Bluetooth and Wi-Fi issues. You will have to re-enter your Wi-Fi passwords and pair your iPhone with Bluetooth devices all over again. Here is how to reset network settings:

Open Settings
Tap General
Tap Reset
Select Reset Network Settings
Enter your passcode
Tap Reset Network Settings to confirm your action.

reset network settings

Reset All Settings

This method is safe because you will not lose any data or media on your iPhone. Here is what you have to do:

Head to Settings
Hit General
Tap Reset
Select Reset All Settings.
Enter passcode if required
Confirm the action by tapping Reset All Settings.

resel all settings

Restore your iPhone to factory settings using iTunes

No service on iPhone can also be fixed by restoring the iPhone using iTunes. It will erase everything you have on your device, so backup your data first. To restore your iPhone to factory settings, follow these steps:

Make sure you have a stable Internet connection and the latest version of iTunes software.
Connect your iPhone to Mac/PC using a lightning cable.
Click Restore on the Summary tab.
Before the process starts, iTunes will download the firmware first.
Wait until the restoring process is completed.
Once it's done, set up your iPhone as a new device.

Restore iPhone using iTunes

How To Fix No Service On iPhone After iOS Update

Sometimes, no service on iPhone may appear after an iOS update. Some users complained about the issue after they upgraded their devices to iOS 9.3.

In most cases, all you need to do is wait for a while and give your device some time to settle after the update. Of course, waiting does not sound too exciting if you can't send messages and even place calls. There are a couple of things to try:

Turn off Celular data by going to Settings > Cellular. After that, enable the Airplane mode and leave it on for 15-20 seconds. Turn off the Airplane mode, and enable Cellular data.
Restart your iPhone
Reinsert your SIM Card
Reset network settings. Go to Settings > General > Reset > Reset network settings. Tap Reset network settings to confirm your action.

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No Service After Jailbreak?

The most common cause why you are facing iPhone no service after the j ailbreak is incorrect Baseband.

No Service error can only be resolved by downgrading your current iPad baseband. Most people jail break their iPhone with Redsn0w and upgrade to iPad baseband. And then, they use UltraSn0w to activate their service but fails.

The iPad baseband causes conflict with network service and interferes with the radio frequency of the device. To successfully get service on your iPhone , follow the procedure explained below.

www.iphoneattunlock.com

iPhone No Service After Jailbreak

First, Download the latest version of RedSn0w
Download your Firmware here (6.0.1)
After you have downloaded RedSn0w, Extract and Open it as an administrator
When Redsn0w is opened, navigate to extra and 's elect ISPW' and browse for the firmware you just downloaded

www.iphoneheat.com

After the process is completed, kernels and Ram had been added. A screen with options will appear.

Visit our Apple Troubleshooting guides / iMessage not working

Check t o see if you have the iPad BaseBand downgraded:

Navigate to Settings > general> about
Check Install Cydia and downgrade From IPad Baseband.

iphoneblogr.com

After that , your iPhone will reboot
Launch Cydia on your iPhone

www.idownloadblog.com

Click on the Manage tab at the bottom right

swapmyapp.com

Select Launch Source

You may read- iPhone won't connect to WiFi

To fix iPhone No Service After Jailbreak – click add at the top left and type http://repo666.ultrasn0w.com/ as the source URL and press the Add Source button.

appleclubb.blogspot.com

Select Return to Cydia
Select D one at the top right
Click http://repo666.ultrasn0w.com/ from the source list.
Install and confirm to fix i Phone No Service After Jailbreak
The final step is to restart the Springboard, and now you can place your SIM card within your i Phone 4/3Gs/4s/5/3, and you shall get Service.

If this method did not solve the service error after you have jailbroken your phone and downgraded your iPad baseband, then try this one. Be sure to back up all data by iCloud or computer.

Insert your SIM card receiving no service error and head over to Settings > General > Reset > Reset Network Settings.

You should also read: iPhone won't charge

All the solutions above are effective in fixing no service on iPhone 4, iPhone 4s, iPhone 5, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, and iPhone 7 Plus.

If you tried the solutions above, and nothing worked, contact your carrier. You can also contact Genius Bar or the nearest Apple Authorized Service Provider.