How to deal with the poor signal of iPhone 12

The signal problem may have been encountered by many small partners in the process of using mobile phones. There are also many factors that cause such problems, such as environment, hardware, and so on. However, the problem of Apple's mobile phones in this regard has become a common problem. How can we solve the problem when we encounter poor signal when using iPhone 12 daily? Let's go and have a look.

What should I do if the iPhone 12 signal is bad? Solution to iPhone 12 signal difference

1. Check the coverage area and turn on the cellular network again

Make sure you are in the coverage area of the cellular network, and then try the following

Go to iPhone 12 Settings - Cellular and try turning it back on.

You can turn "Airplane Mode" on and off in iPhone 12 settings or the control center to let the device rediscover signals and networks.

Try restarting your device.

When performing each of the above steps, check whether the cellular network can be used normally after the operation.

2. Check for operator settings updates

You can connect the device to the wireless LAN, manually check whether there is an operator setting update and install the corresponding update

Tap "Settings" - "General" - "About this computer". If updates are available, you will see an option to update your carrier settings.

To view the version of the operator settings on your device, tap Settings - General - About this device, and then view the content next to Operator.

If you insert a new SIM card into your iPhone or iPad, you need to download the operator settings for the new operator.

3. Reinstall SIM card

Remove the SIM card and replace it.

If the SIM card is damaged or cannot be inserted into the SIM card holder, please ask your operator for a new SIM card.

If your SIM card was moved from another device, please ask the operator if this SIM card is applicable to your iPhone 12.

If it is convenient, you can also try to install other SIM cards to check whether they are normal, so as to eliminate the problem.

4. Attempt to restore network settings

Go to Settings - General - Restore - Restore Network Settings. This action will not clear the data in iPhone 12, but will restore Wi Fi network and password settings, cellular network settings, and VPN and APN settings you used previously.

5. Update your device

You can try to upgrade the iPhone 12 system to the latest version to see if the problem has been solved. Please back up important data before upgrading the system.

PS: If you see "Cellular Network Update Failed" after iOS update or restart, the iOS diagnostic program detects that your device has a problem that needs to be repaired. You need to take the equipment to Apple's official after-sales service for maintenance.

The above is the specific content about the iPhone 12 signal difference. The steps are very simple, but you need to pay attention to the precautions in different methods. If none of the above methods can solve the problem, you can only try to contact the operator.