What should I do if the Apple phone is restored and there is no signal, and I know netizens

1. There is no signal or the signal is relatively poor, mainly because the signal will be affected by various factors such as terrain, landform, and high-rise buildings in the process of propagation, such as the current location is in a relatively closed place, and the signal may be affected.

2. If the mobile phone signal of other China Unicom users is normal, the following methods can be used to troubleshoot:

Method 1] Turn on airplane mode, then turn off or restart your phone and try again.

Method 2] Test of changing the phone card to change the mobile phone card to the mobile phone of a family member or friend and try again.

Feedback, we will check and deal with it as soon as possible.

The steps to restore the iPhone to normal without signal are as follows:

1. Open your iPhone's settings, and click on it to select the general option.

2. Click to open the [Transfer or Restore iPhone] option at the bottom of the interface.

3. Click on the restore option on the selection interface.

4. Select [Restore Qingqing Network Settings] in the pop-up menu to complete the restoration.

The Apple phone has no signal and can be restored to normal by the following methods:

1. Turn on and off the flight mode.

Sometimes, the signal is unstable or very poor, and only a simple solution is needed. Turn on the airplane mode, wait for about ten seconds and then turn off the airplane mode, the effect is obvious.

2. Manually select Yunyu Mu to hold business.

Normally, your iPhone automatically selects the carrier network. However, there are times when the signal in the area is not good and there will be no service, at this time, you can try to manually select the operator to restore the signal.

How to recover the mobile phone without signal?The following is a tutorial on how to solve the problem that the mobile phone has no signal.

There are many reasons why the mobile phone does not have a signal, and the general reason is that the mobile phone card is not plugged in, or it is in an underground garage, elevator and other locations without signal.

If there is still no service after the above scenarios, you can try the following methods:

Method 1. 1. Open the mobile phone settings, tap the mobile network, and turn on the pure mode of flying plums.

2. Wait for a while, then turn off the airplane mode to see if it returns to the normal state.

Method two. 1. Open Settings, click System & Update, Reset.

2. Select Reset Network Settings to reset network settings.

3. After entering the page, click Reset Network Settings again, and see the phone prompting that the network settings have been restored.

The above is how to deal with the mobile phone without signal, I hope it will be helpful to you.

SIM card. The signal display is strongly related to the network environment, if you are using a Huawei phone.

The " symbol sometimes appears on the status bar of your phone, and it is recommended that you try to solve it by taking the following methods:

1.Please check the SIM card.

1) Dirty or oxidized SIM cards can also lead to poor contact, so it is recommended that you keep the SIM card clean.

2) If your mobile phone card is a manually cut card, there may be signal problems due to non-standard shape and poor contact, it is recommended that you bring your personal ID card.

Go to the operator's business office to apply for a standard mobile phone card.

2.Please make sure that the SIM card is not disabled.

Please search for and go to SIM card management in Settings, and make sure that the SIM card switch is turned on. Disabled SIM card will cause the signal bar to show no signal, or only one card signal.

3.Please avoid exposure to metal or magnetic materials.

interference. If your mobile phone uses a special metal protective case, or you are in an elevator, car and other environments, it is recommended that you remove the mobile phone protective case or leave the elevator, car and other environments, metal and magnetic materials are easy to interfere with the signal, resulting in no signal on the mobile phone.

4.Please rule out network causes.

1) Make sure you are in a good environment.

In some more enclosed indoor environments, such as houses with dense spacing between buildings, the cell phone signal may be blocked, resulting in no signal.

The degree of network coverage of carriers varies according to different regions, and some areas may have insufficient coverage capacity, resulting in no mobile phone signal.

If your mobile phone has no signal in a specific area, or if a nearby friend's mobile phone with the same carrier** card also has no signal, it may be caused by poor network quality in your location, and it can be restored to normal after changing to another place.

2) Please restart your phone or switch on airplane mode.

Special configurations of some networks may cause your phone to lose signal, which can be restored after restarting your phone or turning on airplane mode.

3) Please reset the APN

Open Settings, enter APN in the search bar at the top, tap Access Point Name (APN) to jump to the mobile data settings interface, tap Access Point Name (APN) again, then tap Three Dots or Four Dots in the upper right corner, and select Reset to Default Settings to try.

4) Please reset the network settings.

5.Please update your phone system to the latest version.

If your phone still has no signal, contact Huawei Consumer Service** (950800) for further assistance, or back up your data in advance (third-party apps such as QQ and WeChat need to be backed up separately), bring your purchase voucher, and go to a Huawei Customer Service Center near you.

Make an appointment for service. Boarding service.

Repair spare parts** inquiry.

If the phone suddenly has no signal, it shows "no service" and is handled as follows:

1. This situation may be due to the poor signal in the surrounding environment, or the signal blind zone, at this time no signal is a normal phenomenon, it is recommended to move around, find a place with a good signal, or leave the signal blind zone.

2. It is also possible that the system that comes with the mobile phone is faulty, at this time, you can turn off the mobile phone and restart it again to let the mobile phone automatically connect to the network.

3. In addition, it is also possible that the local mobile operator has problems with the signal transmission tower due to some reason, such as thunderstorms, typhoons, etc., and this situation can only be connected to the network after the operator has repaired it.

Summary. 1. Check whether the SIM card has been inserted and whether the SIM card is normal; 2. Check the network settings of the SIM card to make sure the SIM card has been activated; 3. Check whether the mobile phone has the airplane mode turned on and the airplane mode turned off; 4. Check the network settings of the mobile phone to make sure that the network mode has been set correctly; 5. Check whether the frequency band of the mobile phone is consistent with the frequency band of the operator; 6. Try a different place on your phone to make sure the signal is strong enough; 7. Try to restart your phone; 8. Update the mobile phone system to ensure that the system is the latest version; 9. Check the common questions related to the network on Apple's official website; 10. If the above steps are invalid, it is recommended to call the operator's customer service** and consult a technical technician.

1. Check whether the SIM card has been inserted and whether the SIM card is normal; 2. Check the network settings of the SIM card to make sure the SIM card has been activated; 3. Check whether the mobile phone has the airplane mode turned on and the airplane mode turned off; 4. Check the network settings of the mobile phone to make sure that the network mode has been set correctly; 5. Check whether the frequency band of the mobile phone is consistent with the frequency band of the operator; 6. Try a different place on your phone to make sure the signal is strong enough; 7. Try to restart your phone; 8. Update the system of the mobile phone to ensure that the system is the latest version; 9. Check the common questions related to the network on Apple's official website; 10. If the above steps are invalid, it is recommended to call the operator's customer service** and consult a technical technician.

What's going on in the upper left corner.

Unplug the SIM card first, if it still doesn't work, it may be the phone's own dark disease or a problem with the baseband motherboard.

Can it be repaired if the baseband is broken?

Yes. Probably how much a

100-300.

The main thing is to see what the injury looks like.