What should I do if my iPhone has no signal? The solution to the iPhone no signal

Mobile phone communication is to send and receive signals through the network base station, and then communicate with the called party, such as the mobile phone shows no service may be related to the following conditions:

1. The SIM card of the mobile phone is in poor contact with the shneme of the mobile phone card slot, resulting in the failure of the SIM card circuit and the inability of the mobile phone to communicate with the network base station.

2. The mobile phone is incompatible with the system due to the application software for installation, resulting in the system software closing the modem in the mobile phone signal processing circuit, at this time you can turn off the mobile phone and then restart, the modem in the mobile phone signal circuit will be restarted, and after the signal is normal, delete the suspicious mobile phone application software installed before the problem.

3. The SIM card of the mobile phone is not registered in the network, at this time, you can insert this SIM card into another mobile phone, if it also shows no service as the reason for the SIM card.

4. If the SIM card of the mobile phone is accidental, and there is no signal in the network signal coverage area, it fails to reconnect to search the network and merge the book, at this time, you can manually search for network registration under the menu of Settings - General - Network - Network Operator.

5. If the signal coverage of the mobile phone SIM card network operator is not available, you can change the location to an open area, and then check the mobile phone signal grid display, if the display is normal after changing the location, you can call the network operator service ** for feedback and complaints.

6. **The card has been used for too long, and with a valid certificate, you can go to the local business hall to reapply for a card.

What to do if the iPhone has no signal.

2018-11-16 14:03Tech monsters.

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Take Apple 11 as an example, under the iOS14 system, the mobile phone has no signal, first of all, it may be because the nearby network signal is not good, and you only need to turn on the airplane mode.

After turning off airplane mode, the system will search for network signals again, open [Settings] in your phone, then turn on the button on the right side of the [Airplane mode] option, and wait a few seconds before turning it off.

If the mobile phone has a mobile phone case, especially the metal mobile phone case, which will affect the signal reception of the mobile phone, you can remove the mobile phone case and see if the Apple mobile phone signal will be improved.

If the phone does not have a metal shell, or there is no shell at all, then you can try to restore the network settings of the phone, this method can rule out the reason for the phone system (Settings - General - Restore - Reset Network Settings.

The phone has no signal, and it may also be a phone SIM card.

If it is a problem with the SIM card, you can try to remove the SIM card to check whether it is damaged or worn, or find another SIM card to insert into the mobile phone to try to solve it.

It may also be a poor mobile phone signal caused by a mobile phone system vulnerability, you can update the mobile phone system to the latest version, you can update it from the mobile phone [Settings] - General - Software Update], or connect to the computer iTunes to update.

If none of the above methods can be solved, it should be a hardware problem with the mobile phone, but 1. The surrounding network is poor.

Sometimes the mobile phone will be in a state of no service due to the poor network of the surrounding environment, which will lead to no signal and no service for the Apple mobile phone, and changing a place with a good network can solve the problem.

2. Network setting problems.

After the iPhone has been used for a long time, the phone may not be connected to the network due to some reasons of the system itself, and you can restore it to the default factory settings by restoring the network settings.

to fix the no-service issue, or by restarting the phone.

3. SIM card problem.

If the mobile phone cannot be connected to the network, it may also be a problem with the SIM card of the mobile phone. We can remove the SIM card and check if it is damaged or worn, or find another SIM card and insert it into the iPhone to try to solve the problem. If it still can't be solved, then you can deny the reason for the SIM card.

4. System software problems.

Due to some vulnerabilities in the iOS system of Apple mobile phones, these vulnerabilities may sometimes cause the mobile phone to be unable to search the network and display no service status. You can update your phone's system to the latest version, which can generally solve this problem.

5. Mobile phone hardware problems.

If the above methods can't solve this problem, it is likely to be a problem with the hardware of the mobile phone, and it is best to go to Apple after-sales service to request processing.

1. Check the coverage area.

Make sure you are within the coverage area of the cellular network. Then, follow these steps:

To turn cellular data on or off, go to Settings, then tap Cellular or Mobile Data. If you're using an iPad, you might see Settings > Cellular Data.

If you're traveling abroad, make sure your device is set up for data roaming. Go to Settings > Cellular> Cellular Data Options> Data Roaming.

2. Restart your iPhone or iPad

Restart your device, the network may be unavailable due to some apps!

3. Check if there is an update to the carrier settings.

To manually check for carrier settings updates and install them, follow these steps:

Make sure the device is connected to a Wi-Fi or cellular network.

Tap Settings> General> About This Mac. If an update is available, you'll see an option to update your carrier settings.

To see the version of carrier settings on your device, tap Settings > General > About This Mac, then look next to Carrier.

4. Take out the SIM card.

Remove the SIM card and put it back in. It may be necessary to contact the carrier:

If your SIM card is damaged or won't fit in the SIM tray, you'll need to get a new SIM card from your carrier.

If the SIM card was transferred from another device, ask your carrier if the SIM card works with your iPhone or iPad.

5. Reset network settings.

Go to Settings > General> Reset> Reset Network Settings. This also restores Wi-Fi network and password settings, cellular network settings, and VPN and APN settings that you previously used.

6. Update your iPhone or iPad

Update your iPhone or iPad to the latest version of iOS.

7. Contact the operator.

Verify that your account is valid and in good standing.

Make sure there are no service interruptions in your area.

Check that your device isn't blocked from receiving cellular service and that it's set up the correct data**.

If the above methods have not been solved, it is recommended to send it to the after-sales service for hardware testing!

How to solve the problem of no service on the iPhone.

The solution to the no signal on the iPhone is as follows:

Tools: iPhone13, iOS16, Settings.

1. Go to the settings of the Apple phone and click on the "Cellular Network" setting interface.

2. On the cellular interface, click on the cellular number page.

3. Turn on the "Enable this number" function, and the iPhone can restore the signal and service.

Various reasons and solutions for no signal on Apple mobile phones

1. Check the signal coverage area: Sometimes the signal is not good or it may be due to the problem of the signal coverage area, it is recommended to try it in an open place.

2. Restart the phone: If the signal problem still exists, you can try to restart the phone, sometimes you only need a simple restart to solve the problem.

3. Turn off and on airplane mode again: If restarting your phone doesn't solve the problem, you can try turning airplane mode on for a while and then turning it off, which may be able to regain the signal.

4. Confirm whether the SIM card is inserted well: If the above methods are invalid, you can check whether the SIM card is inserted tightly, or try to use other mobile phones to check whether the SIM card is normal.

5. Switch operators: Sometimes the bad signal may be due to the problem of the operator's network, you can try to switch to another operator's network.

6. Software upgrade: If the above methods are invalid, you can try to upgrade the software, sometimes the new version of the system can solve some network problems.

7. Contact the operator's customer service: If none of the above methods work, it is recommended to contact the operator's customer service and ask them to assist in solving the problem.

The cellular network error is that the phone does not recognize the network of the phone card, and the solution is as follows:

1. If the problem of the network is solved, the user can see if it can be solved by restoring the network settings and other methods.

2. The problem of the mobile phone, the problem of the baseband of the Apple mobile phone, the user solves the problem through after-sales maintenance.

3. If there is a problem with the mobile phone system, the user will learn about the upgrade of the system version and get downgraded to solve the problem.

4. System version bugs. Generally, after the system upgrades the system version through OTA, various bugs will be left behind. In this case, you can resolve the issue by restoring the system version.

5. Check whether the SIM card of the mobile phone is damaged, you can place the SIM card in other mobile phones to check whether you can access the Internet, if you can't access the Internet, then you need to replace the SIM card.

It may be due to other conditions, you can try to switch the airplane mode and then turn it off, or change the operator and restore the network settings, 1. Open the settings, click the airplane mode and turn it off. 2. Click Cellular and click Network Selection. 3. Turn off Auto and select Carrier.

4. Click General and select Restore. 5. Select Restore Network Settings and enter your password.

1.If there is no signal or the signal is relatively poor when the mobile phone inserts the card, it may be because the signal is affected by various factors such as terrain, landform, and high-rise buildings during the propagation process.

2.Turn your phone on or off again, or change the SIM card to a family member or friend's phone and try again.

3.Check to see if the signals of other users around you are working.

4.If it still cannot be used normally after removing the obstacles, it is recommended to contact the local manual customer service for verification and processing.

Summary. 1.Check whether the SIM card is inserted properly and check whether the SIM card is damaged; 2.

Check if your phone is set to the correct network mode; 3.Check if your phone is in airplane mode; 4.Check if your phone is within signal coverage; 5.

Restart your phone; 6.Check if your phone has a software update; 7.Check your phone for viruses; 8.

If none of the above methods work, you can try a factory reset.

1.Check whether the SIM card is inserted properly and check whether the SIM card is damaged; Blind Changcha 2Check whether the mobile phone is set to the correct network mode; 3.

Check if your phone is in airplane mode; 4.Check if your phone is within signal coverage; 5.Restart your phone; 6.

Check if your phone has a Swift software update; 7.Check your phone for viruses; 8.If none of the above methods work, you can try a factory reset.

Excuse me, but please go into more detail?

1.Reasons: (1) The signal of the Apple mobile phone is affected by the environment, if the mobile phone is inside a building or in a valley, the signal will be affected, resulting in no signal.

2) The signal of the Apple phone is affected by network congestion, and if the current network is congested, the signal will be affected, resulting in no signal. 2.Workaround:

1) Try to move your phone outdoors so that you can get a better signal. (2) Check your phone's network settings to make sure your phone is in the correct network mode so that you can get a better signal. (3) Restart the phone cavity to search for the signal again.

4) Check your phone's SIM card to make sure the SIM card is not damaged so that you can get a better signal. 3.Personal Tips:

1) Try to move your phone outdoors so that you can get a better signal. (2) Check your phone's network settings to make sure your phone is in the correct network mode so that you can get a better signal. (3) Restart your phone so that you can search for the signal again.

4) Check your phone's SIM card to make sure the SIM card is not damaged so that you can get a better signal. (5) Try to avoid using mobile phones inside buildings or in valleys to avoid environmental impacts. (6) Try to avoid using mobile phones in the case of network congestion, so as to avoid the impact of network congestion.