How to Fix iPhone 15 Cellular Data not Working

Solution 1. Disable and Enable Cellular Data

Some people encountered cellular data not available for voice call or not working for some apps on iOS 18/17, the easiest fix is to turn it off and then turn on again. To do this, go to Settings > Cellular >Cellular Data. Tap the switch to turn it off. Then tap the switch again to turn it on.

Solution 2. Check Cellular Carrier Update

The network carrier releases new update from time to time to improve the network compatibility with your iPhone. You can go to Settings > General > About to check if there's a new update.

Solution 3. Turn On & Off Airplane Mode

It is sad to hear one users said that after he updated on iPhone to iOS 15 his cellular connection has stopped. Less people meet such problem but if you really have. Try to turn on/off airplane mode.

Go to "Settings" and turn on "Airplane Mode" and then disable it. Then the device will start searching for network signals.

Solution 4. Restart iPhone

If the above tips failed to fix no internet connection after iOS 18/17/15 update, try to restart your iOS device. Turn off your iPhone and then turn it on in a few minutes.

Solution 5. Reset Network Settings

Open Settings, tap General -> Reset. Choose "Reset Network Settings" and confirm the operation. Enter the passcode if it prompts. Then go back to the Home Screen, press the power button for seconds to turn off your device. Wait for about 10 seconds, turn it on.

Solution 6. Repair iPhone System to Fix Cellular Data Now Working without Data Loss

Well, if there's still no service or searching on your iPhone/iPad, try to repair iPhone system with Tenorshare ReiBoot. This professional iOS system recovery software is able to fix a lot of system issues by installing the latest iOS firmware again on your device. What is more, your data won't be erased after system recovery.

• Download and install Tenorshare ReiBoot on your Mac or PC, connect iPhone to computer. Click Start.

• Select and click "Standard Repair" to go on.

• The software will list the latest iOS firmware for you to download. Please download the matching firmware for your device.

• Once the firmware is downloaded successfully, click "Start Standard Repair" to recover iPhone system.

The Bottom Line

This article tells you how to fix iPhone cellular data network not working. If you've encountered other similar problems after updating to iOS 18/17/15, such iPhone won't start, etc., this iOS system recovery software is surely able to fix them for you.