What should I do if the telecom iphone4 is restored without service

The phone shows no service and may be related to the following:

1. The SIM card of the mobile phone is in poor contact with the shrapnel 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, the mobile phone can be turned off and then restarted, 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 that no service is the reason for the SIM card;

4. If the SIM card of the mobile phone fails to reconnect to search the network after there is no signal in the network signal coverage area, 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.

1. Check whether the mobile phone card slot or SIM card is damaged: you can insert other mobile phone cards to try, if the card slot is damaged, it is recommended to replace the card slot.

2. No service on the mobile phone caused by network delay: You can turn on the airplane mode of the mobile phone, turn it off after five seconds, or restart the mobile phone.

3. If the signal in the place is not good, the signal cannot be found, so you can search in another place.

iPhoneX has no service, users need to click on the phone settings, click on general after entering, find the word restore at the bottom, click to enter, and select Restore Network after entering.

The steps are as follows.

1. Find and open Settings on your iPhoneX as shown in the image below.

2. Find the general option on the settings page and click Open. This is shown in the figure below.

3. Scroll down to the end of the general page and select the restore option. This is shown in the figure below.

4. Finally, click Restore Network Settings to restore after entering. This is shown in the figure below.

Notes:iPhone X no service is generally caused by network misconfiguration, users only need to follow the above steps to restore the network.

iPhone phone is in no service state, how to restore, here are the specific operation steps.

1. First of all, if the mobile phone signal is in a state of no service due to the poor network of the surrounding environment, turn on the airplane mode and then turn it off.

2. If the airplane mode is turned on and it is still in no service state, you can restore the network settings to the default factory settings, first click the [General] option in the [Settings] of the phone.

3. Then at the bottom of the [General] interface, find the [Restore] option and click to open it.

4. Finally, on the page that opens, click the [Reset Network Settings] option, and then enter the phone password to restore the network.

1. First unlock Apple 11, and click the [Settings] icon on the desktop of the phone to open the settings interface.

2. Then click [General] on the opening settings interface to open the general interface.

3. Then click [Restore] on the general interface that opens to open the restore interface.

4. Then click [Reset All Settings] on the restore interface to open the password entry interface.

5. Finally, on the Restore All Settings interface, click [Reset All Settings], and the problem of no service will be solved as shown in the figure below.

1.You can re-modify it by clicking "Carrier" on the "Settings" interface of your phone and changing it to "Automatic".

2.Turn airplane mode on and off. In iPhone, swipe up at the bottom of the screen to open the shortcut panel, then turn on airplane mode, of course, you can also turn on airplane mode in "Settings", after turning it on, wait 5 seconds and then turn off airplane mode to see if it solves the problem.

3.Restart your iPhones, press the power off key in your phone, then turn off your iPhone by swiping the screen, then restart your phone and see if "No Service" is resolved.

4.Of course, removing the SIM card and verifying if it is a valid SIM card manufactured by the operator can also solve this problem. See if the removed SIM card has been damaged, worn, or modified, and then reinsert it.

5.Update to upgrade your iPhone, connect your iPhone to iTunes, and then upgrade your device to the latest iOS via iTunes. Of course, you can also go to "Settings" - "General" - "Software Update" to update and upgrade your iPhone.

In the case of hardware failure, it needs to be repaired, in the case of troubleshooting hardware failure, the conflict of the mobile phone network module will also lead to the situation that the iphone suddenly has a card and no signal, and the mobile phone service signal can be restored by restoring the mobile phone network settings, and the recovery method is as follows:

Tool: iPhone X

Operating system: iOS

1. First of all, force restart your iPhone with the combination of power key and volume key, as shown in the figure below

2. If it can't return to normal after restarting, click Settings, as shown in the figure below

3. Click General on the setting interface, as shown in the figure below

4. Click the restore below on the general interface, as shown in the figure below

5. Select Restore all network settings, as shown in the figure below

6. Enter the iPhone lock screen password, as shown in the figure below

7. Click to restore the network, the phone will restart, and the normal service will be restored after the restart, as shown in the figure below

iPhone 8 is partially repaired, and there is often no service, and it takes a few minutes to understand the repair.

In the case of hardware failure, it needs to be repaired, in the case of troubleshooting hardware failure, the conflict of the mobile phone network module will also lead to the situation that the iphone suddenly has a card and no signal, and the mobile phone service signal can be restored by restoring the mobile phone network settings, and the recovery method is as follows:

Tool: iPhone X

Operating system: iOS

1. First of all, use the power button and volume button plus combination to force restart the beat and iPhone, as shown in the figure below

2. If it can't return to normal after the collapse of He Zhiqi, click Settings, as shown in the figure below

3. Click General on the setting interface, as shown in the figure below

4. Click the restore below on the general interface, as shown in the figure below

5. Select Restore all network settings, as shown in the figure below

6. The iPhone lock screen password is eliminated by the group, as shown in the figure below

7. Click to restore the network, the phone will restart, and the normal service will be restored after the restart, as shown in the figure below

Due to the poor network of the surrounding environment, the mobile phone will cause the signal to be in a state of no service, and you can use the mobile phone to re-search for the signal and resume the service by turning on the airplane mode and then turning it off.

1. First tap "Settings" on your phone.

2. Click the slide button behind the airplane mode to turn it on.

3. Wait for a few seconds, then tap the slide button to turn off airplane mode.

4. Finally, just wait for the signal to appear in the upper left corner of the phone.

Notes:If it is always unprepared for the mausoleum service, it is that the lot is not covered by the network, and you need to move the mobile phone to a place with a network and reconnect to the network.

Learn what to do if you see No Service or Searching on your iPhone or iPad (Wi-Fi + Cellular), or if you can't connect to cellular or cellular data. Check the network coverage area to make sure you are within the coverage area of the cellular network. Turn cellular data off and back on.

Go to Settings, then tap Cellular or Cellular Data. If you're using an iPad, you might see Settings > Cellular Data. If you're traveling abroad for pickpocketing, make sure your device is set up for data roaming.

Go to Settings > Cellular> Cellular Data Options> Data Roaming. This pan-up at the top of the iPhone screen shows cellular settings if you're using a 3G network from AT&T, and AT&T is phasing out 3G networks. If you see No Service in your device's status bar and you have an iPhone 5S, iPhone 5C or earlier, or an iPad 2 Wi-Fi + Cellular or earlier, contact your carrier to discuss your options.

If you are using.

Let's be specific, OK? Is it from time to time, or is there originally, and it has been gone since you tossed it? If it comes and goes, it's a mobile phone signal problem, and there's no good way to solve it; If there is no signal all the time, then your phone may be locked, and you need to unlock it to have a signal.

If you just bought it and disassemble it, you need to activate it with iTunes to use it.

Can you elaborate on that?