What should I do if the phone prompts no service, and what should I do if the phone shows no service

If your mobile phone cannot access the Internet normally, please check the following conditions:

1. After 3-5 minutes of power off, restart the phone and try again;

2. Confirm whether there is a network, it is recommended that you can use it in a place with a strong signal;

3. Check whether there is still a phone bill, if the balance is insufficient, you need to recharge before you can use it;

4. Check whether the USIM card is inserted, if it has been inserted but still cannot be used, it is recommended that you go to the business hall to check whether the USIM card is faulty, or replace the card for testing;

5. If the traffic usage reaches the maximum value in the current month, the network will be automatically closed, it is recommended that you pay attention to our SMS reminder or inquire about the **product description.

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.

If you are using a Huawei phone and the phone shows no service, we recommend that you take the following methods to try to solve the problem:

1.Avoid using magnetic metal cases, magnetic stands, or magnetic chucks.

Metal and magnetic materials are easy to interfere with the signal, resulting in no service for the mobile phone.

2.Please try to change to another SIM card.

It is recommended that you install other mobile phone cards into your mobile phone to view, if the signal display of other mobile phone cards is normal, it may be that there is a problem with your mobile phone card, it is recommended that you go to the operator's business office to replace a new mobile phone card.

3.Please try moving to your current location.

1) In some more closed indoor environments, such as houses with dense spacing between buildings, the mobile phone signal may be blocked, resulting in no service. You can get outside to see if your phone signal is back to normal.

2) The degree of network coverage of operators varies according to different regions, and urban areas basically meet the coverage, but some remote areas may have insufficient coverage capacity, which will lead to no service for mobile phones.

You can determine whether the current regional network coverage is caused by poor network coverage by whether the mobile phone is not available in the same area, or whether the mobile phone using the same carrier** card in the vicinity is also not available.

4.Check that the APN settings are correct.

Incorrect APN settings will affect the normal use of the network.

Method 1: aClick Settings;

c.Click on the APN name (APN) to go to the APN page.

d.Turn on the three dots button in the upper right corner;

e.Click Reset to default.

Method 2: If your phone is an EMUI and above or Magic UI and above, you can also follow the steps below:

a.Click Settings;

b.Tap Mobile network, then tap Mobile data;

c.Click on the APN name (APN) on the Mobile Data page to go to the APN page.

d.Turn on the three dots button in the upper right corner;

e.Click Reset to default.

Settings > Wireless & Networks > Mobile Networks > Access Point Name (APN) > turn on the three dot buttons in the upper right corner > reset to default.

5.Please try to reset the network settings.

If the above troubleshooting does not resolve your issue, we recommend that you contact Huawei Consumer Service** (950800) for further assistance, or back up your data in advance (WeChat QQ and other apps need to be backed up separately), and bring your purchase voucher to a Huawei customer service center near you.

Sometimes the signal is not very good, or it is a reason for the mobile phone that will cause the mobile phone to show no network and no service, you can choose to turn off the mobile phone and restart, and then choose to move around.

If the phone prompts no service, we are slightly better to turn off the phone again, restart the data on the line, sometimes his no service is caused by the system.

Card failure, reinstall or replace SIM card.

3.If the SIM card has not been used for a long time, it will be cancelled and a new card will need to be replaced.

4.If the network is delayed, turn on airplane mode and turn it off, or restart your phone to try airplane mode first.

Asking questions doesn't work, I've tried.

Question: Yes, there has been no signal these days.

The card is put on someone else's mobile phone, and there is no signal, and the network cannot be used.

Give 10086 a dozen manual services.

It may be that this card is no longer working, and you have to reissue a card.

If the question doesn't work, I've sent it all to try.

"Turn on airplane mode, wait a few minutes before turning off airplane mode, open settings, click System-Reset-Factory Reset, restart your phone or check if there is a problem with the SIM card and card slot, if there is a hardware problem, you can only go to after-sales repair. ”

It may be that the Apple phone currently has no signal coverage, and try to move to an open area to receive the signal; It may be that the SIM card in the iPhone has not been registered in the network and needs to contact the mobile operator to solve it; It may be that the SIM card is not recognized due to poor contact with the mobile phone card slot, and try to reinsert the SIM card; It may be that the iPhone is not used in the designated area (if it is locked), and you need to use a card to solve it. Here's a closer look:

1. The mobile phone is in airplane mode, and the airplane mode needs to be turned off;

2. If the SIM card of the mobile phone is in poor contact with the shrapnel of the mobile phone card slot, you can remove the SIM card, wipe the golden surface of the SIM card with a cleaning cotton cloth, and reinstall it;

3. If the SIM card fails to reconnect to the search network and register after there is no signal in the network signal coverage area due to accidental reasons, you can enter [Settings] - [General] - [Restore] - [Reset Network Settings];

4. If the SIM card is not registered in the network, you can insert this SIM card into another mobile phone, if it also shows that no service is the reason for the SIM card;

5. If the SIM card network operator's signal coverage is not available, you can change the location to an open area, and then check the mobile phone signal grid display.

How to recover the mobile phone card without service?

This state is because there is no mobile phone card inserted, dear

Questions have to be asked several times a day.

Plug in the phone card.

I also changed my SIM card once.

It's that sometimes there is no service, and after a while, it's fine, and then after a while, it shows no service again.

1. If your mobile phone is in arrears and then turned on after being stopped and recharged, you need to restart your mobile phone to resume using the 4G network normally.

2. Consult others around you if there is this problem, if there is the same problem, it is the local network failure;

3. Change the mobile phone for testing, if it can be used normally, it may be that there is a problem with the mobile phone, you can contact the mobile phone after-sales consultation;

4. If there is still no service after changing the mobile phone, it may be a problem with the SIM card, and you can bring the card with the accessory business hall for detection.

I hope my answer can help you, it is inevitable that there will be shortcomings, I hope you can put it forward, let me continue to improve, and constantly improve the quality of service Finally, you can give a thumbs up, dear