We are sure your iPhone 4s works fine. If you have experienced the issue when the device is searching for service, sometimes the problem disappears itself. There are some situations in which no service problem lasts for a certain period of time, and if that is the case, you may need to try certain solutions. In the text we prepared for you, you can check out 5 ways to fix iPhone 4s searching for service. One of them will probably work. If not, make sure to contact your carrier for further instructions about the issue.
5 ways to fix iPhone 4s searching for service
Solution No.1: Toggle Cellular.
The best place to start is this: go to Settings, turn off Cellular, and then turn it on again. There is a chance the no service issue will be gone, and you will use your device normally.
Solution No.2: Restart your iPhone.
To restart your iPhone 4s, hold the lock button for a couple of seconds. The restart often successfully solves all kinds of bugs, including this one.
Solution No.3: Reinsert your SIM card.
Removing the SIM card, and placing it back again can often help. If you see any dust or dirt inside the device, make sure to clean it with the dry cloth. Also, you will notice if your SIM card has any damages. If that is the case, contact your carrier, because that may be the reason why the device is searching for a service.
Solution No.4: Carrier settings update.
Navigate to Settings, General, and click on About. If there is an update, download and install it.
Solution No.5: Reset network settings.
Click on Settings, General, Reset, and choose Reset network settings option. Keep in mind this action will delete saved Wi-Fi passwords, Bluetooth and other settings.
Many people solved the problem with one of 5 ways to fix iPhone 4s searching for service. As mentioned in the beginning of the article, if these solutions do not solve the service issue, contact your carrier.