Iphone 4s does not connect to the network and writes a search. Solving the problem of lack of network on iPhone


Often, after a fall, flashing or updating the phone, or replacing a SIM card, the smartphone does not connect to the network. The message “no network” appears and, in fact, the device turns into a useless, expensive “brick”. There are usually several reasons for this problem. Let's look at the most common of them, while at the same time paying attention to ways to troubleshoot a problem called “no network”.

Incorrectly set time in settings

This happens after updates and flashings, as well as after repairs in service centers. To fix this problem you need to connect to wi-fi networks. Next, go to Settings - General - Date and time and activate the Automatic option. Reboot your phone. Please note that these actions must be carried out while being connected to the wi-fi network, otherwise the cellular network will not come to life.

Cellular operator settings and updates

Have you checked the date and time, but the “no network” message still appears? Perhaps the operator does not provide its services in the region where you are located. Then you can try activating airplane mode for a few seconds. We do the same if you are in home region. It happens that the connection is “buggy” and you just need to restart it. You can also turn the device off and on. If this does not help, then you need to check the operator settings. Go to Settings - Operator and check whether the Automatic mode is activated.

Don't forget about updating the system. Connect to Wi-Fi again. Go to Settings - General - About this device. If updates are available to you, operating system will ask you to install them. If Wi-Fi doesn't work, connect to iTunes. Then update your device to latest version iOS.

Damage or failure of the SIM card

In progress independent decision Problems finding a network, you should pay attention to the SIM card. Often it can be damaged during pruning, or fail when exposed to moisture or for other reasons. Pull out the SIM card using the key located in the box under the phone, and put the SIM card in place. Turn on and off airplane mode several times.

iPhone blocked by carrier

It happens that the gadget is blocked by the telecom operator for the SIM card specific operator. The phone simply does not support other SIM cards, it says “no network”. You can contact us at service center, we can unlock using imei. As a rule, such a service takes from several days to 10 days, depending on which operator the device is locked to.

Damage to the antenna responsible for receiving the cellular network signal

There are often cases when the iPhone stops receiving the network due to damage to the antenna due to impact, moisture and oxidation, previous repairs, or defective spare parts. To eliminate such a malfunction, you need to contact us at iConceptService, where qualified technicians will diagnose and repair the device.

Damage to the modem part and eternal search for the network

If the modem part on the motherboard, then the phone will constantly search for the network and the modem firmware will be missing in the settings. To make sure your modem is not damaged, go to Settings - General - About this device - Modem firmware. If the field is empty, then your phone has been damaged by the modem and only qualified service center technicians can help you here. It will take painstaking, complex work on the motherboard, which will allow you to restore the modem part and return the device to the ability to see the network. Our craftsmen have extensive experience similar work, which allows us to carry out even such complex repairs.

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Many iPhone 4/4S owners periodically encounter problems with their gadget. And one of common mistakes– lack of network. Similar problem may happen for a number of reasons, however, there is a chance to restore the smartphone without contacting service centerApple.

What to do if iPhone 4/4S says “searching for network”?

  • Perhaps the smartphone does not support the network of the operator whose card is installed in this moment. If your phone is locked, contact the service to carry out the unlocking procedure - the service is inexpensive and provided quickly!
  • Make sure that installed SIM card is not damaged, install it in another smartphone and check its functionality;
  • Perform a factory reset and system update.

In most cases repairiPhone4/4S necessary if the smartphone has been subjected to mechanical damage or exposure to moisture. In this case, the technician will replace the damaged antenna and resolder the modem and radio module chips. iPhone 4/4 repairS carried out according to the manufacturer's recommendations!

Often, an Apple smartphone does not connect to the Internet. The reasons for this problem can be different, from internal malfunction to careless use of the gadget. Next, we will tell you what to do if your phone stops connecting to the Internet.

iPhone 6 loses connection in the following cases:

  • the transmitter power amplifier is damaged;
  • antenna failure;
  • SIM card holder is broken;
  • does not see the SIM card;
  • SIM card connector comes off;
  • broken radio path.

Determining the cause of the breakdown

To identify a breakdown of the power amplifier, you should go to find the “Modem Firmware” item in the menu; the absence of this section means a breakdown of the power amplifier.

A breakdown of the radio path cannot be detected on your own; the device needs to be diagnosed by a specialist. Replacement should be carried out at a trusted service center.

Also, the phone does not see the network if you mistakenly select an operator in the settings. This breakdown can be repaired on its own. You need to go to the settings and select the automated mode in the “search” menu. If the gadget does not automatically find the necessary connection operator, you will need to search manually.

The iPhone 5s constantly searching for the network may also be due to a software error. To solve this problem you need to reinstall the software.

Another reason why contact with the satellite is lost may be a blocked SIM card.

It also happens that the line disappears when charging a cell phone; the breakdown lies in a malfunction of the lower loop; you should take the cell phone to a specialist to replace the broken part.

Constant lack of network, fix it

Also common problem is the eternal search for the network Apple gadgets. This problem is due to a faulty antenna. It can occur when the smartphone is dropped or subjected to a strong impact, after which the antenna may become faulty. To correct the situation, you need to replace it at a service center.

Also problems with eternal search satellites may appear after contact with moisture. If you get it, you should seek help from specialists.

Date and time are not set correctly

If the phone is damaged, the battery is replaced, or if it has not been used for a long time, date and time errors may occur. Because of this, the iPhone works, but does not connect to the network. To correct the situation, you need to have access to the Internet, then go to the settings, select “Date and time” and select automatic time setting and restart your mobile. Now everything is fine and the phone can see the satellite.

The phone loses connection in the cold

It happens that the phone stops receiving the network in the cold. The occurrence of this difficulty may be due to the fact that the cell phone is not resistant to frost. In order to reduce Negative influence cold, you should turn off 3G. Also, if this does not help, you can try one of the following methods:

  • enable/disable Airplane mode;
  • Reboot the gadget;
  • see if the communication settings are working correctly.

If after these manipulations the iPhone says no network, it needs to be sent in for repair.

No support for the required operator

One of the problems why the iPhone does not search for a network may be that it does not support mobile operator.

This is when a smartphone only works with a specific telecommunications company. If you insert a SIM card from another mobile company into it, it will not work. The reason for this may be that the gadget is not activated.

When you have activated the gadget, but the iPhone 6 loses the network, you need to solve the problem by resetting the settings. Go to General Settings, click Reset and select the Reset Communication Settings option.

There is no network on the iPhone if you activated it using the SAMPrefs program. If you have successfully unlocked your phone, but there is no connection, you need to reset your mobile phone settings:

  • go to iTunes;
  • connect your mobile to your PC;
  • you need to make a backup, after which you need to click on the “restore” option;
  • After the phone has been restored, you will be offered several options to choose from; you should select “recognize as a new device.”

After these steps everything should work.

No updates needed

On top of that, the iPhone is lost when not installed Latest updates. Find the "About this device" section if you want to Iphone available new files, you need to connect to the Internet and download updates. You can also install the update via Personal Computer, to do this, go to iTunes and carry out this operation.

Problems with 3G

It often happens that when 3G is turned on, the iPhone does not see the satellite. To solve this problem, you need to reflash the phone from scratch, through recovery mode. You need to manually download all the necessary programs and files back.

Resetting communication settings solves the problem temporarily, it can return at any time.

Conclusion

As it turned out, there are a great many reasons why the iPhone 6 loses its satellite. To avoid most of them, you should use the gadget carefully, do not drop it, do not hit it against other objects, and do not bathe it in water. It is best to keep it in a special protective case.

If you buy "from hand", then it is better to come to the official store together with the seller. Apple service and check for damage. There, consultants can tell whether the seller really is the owner of the smartphone. Some parts can be replaced yourself if you have the necessary knowledge. Without experience self-repair, it is better to contact knowledgeable specialists.

Video instruction

Finding yourself “in your hands” with an iPhone that does not catch the network on any trip or business trip is not a pleasant situation. The boss will be annoyed that his employee is unavailable and did not submit a timely report, relatives will be worried, potential clients get off the hook. It will be impossible to even call help or a taxi if something happens to the car. It must be admitted that modern man is heavily dependent on the GSM signal.

Fortunately, in most situations you can solve the problem of a weak network on your iPhone yourself and quite quickly. In this article we will talk about common reasons why an Apple gadget has poor network reception and ways to correct the situation.

First, what you need to check on an iPhone that does not receive a GSM signal - date/time settings. If the settings are incorrect, you should set the correct ones manually. This is done like this:

Step 1. Follow the path " Settings» — « Basic» — « date and time».

Step 2. find out exact time in your time zone. To do this, you can use, for example, the Yandex. Time" .

Step 3. While spinning the reels, set the correct date, hour and minute.

Step 4. Restart your iPhone and check the network.

If you have access to Wi-Fi, you can avoid manual settings time. In the “Date and Time” subsection there is an “Automatic” slider. After activating it, the iPhone independently determines the time in the set time zone - but only if the gadget is connected to the Internet.

Your humble servant prefers not to use automatic tuning time, because his iPhone “counts” an hour too late.

Problems with mobile operator settings

If the time is set correctly, but the iPhone still does not receive the network, you can suspect that the settings of the cellular operator have gone wrong. A set of such measures will help solve this problem (each subsequent step should be performed only if the previous one did not produce results):

Step 1. Turn airplane mode on and off. The corresponding slider is located at the very beginning of the menu “ Settings».

Step 2. IN " Settings"go to the section " Operator" and deactivate the toggle switch " Automatically».

Step 3. Check if the cellular data settings (APN, username, password) are entered correctly. Follow the path " Settings» — « cellular » — « Cellular network data transmission" In the block " Cellular data» and the necessary details are present.

You will find the correct settings for the 3 leading operators in our article on how to set up the Internet on an iPhone. If there is a discrepancy, change the cellular data settings on your Apple gadget manually. After changing the settings, be sure to restart your device.

Weak GSM signal

If the reason weak signal The problem is that the user's location is not within the GSM coverage area; you cannot fix the problem yourself. You will have to buy a SIM card for temporary use. Although in fact the territory where absolutely There is no GSM signal, you need to look again.

There are areas where the signal is very poor in large cities. As a rule, iPhones are not detected in the subway, basements, or elevators. The network may disappear inside the building due to the fact that the concrete walls of the room jam the GSM signal. Some buildings deliberately use “jammer” devices to prevent employees from excessive Internet surfing. The jammers look something like this:

Previously, “jammers” were readily placed in educational institutions. Now the use of such devices has been reduced to a minimum - modern educational process involves the student’s active access to the mobile Internet.

If the GSM signal is weak in the user's home, this is a reason to file a claim with the communication provider. The owner of the iPhone needs to call the number hotline and complain about the lack of network. The application will be transferred to the technical department, whose employees will make every effort to resolve the problem.

SIM card is damaged

Mechanical damage to the SIM card or its incorrect cutting can not become the reasons why there is no network on the iPhone. If the card is faulty, the SIM gadget will not recognize it at all. This is a completely different problem possible solutions which we proposed in the article “Why the iPhone doesn’t see the SIM card.”

However, a user suffering from a lack of network on a smartphone should still check visual inspection SIM cards. If there is dirt on the contacts, you need to carefully remove it. Even the fact that the user removed the SIM card and installed it back in the slot can help restore a normal GSM signal.

If iPhone owner there are suspicions that the gadget has poor network reception due to the SIM card, he should contact the service office with a passport and SIM replacement. This procedure is free and only takes a couple of minutes.

iOS crash

The failure of the above measures tells the user that the problem may be software. For correct operation The gadget requires the latest system updates. To check if there is available updates, the user needs to follow the path " Settings» — « Basic» — « Software Update».

The gadget has broken down

In the presence of physical breakdown An iPhone visit to the masters cannot be avoided. As a rule, a gadget’s failure to catch the network is caused by a malfunction of the antenna module. A broken antenna is the result of a fall or flooding of the gadget. Repair cost in in this case will depend on iPhone models. Approximate prices Let's put it in a table:

Repair price

iPhone does not connect to the network after unlocking: what to do?

Network problems may appear after the user has unlocked the Sim-Lock device using one of the following programs: redsnOw, ultrasnOw, SAM Tool, SAMPrefs. The following measures will help resolve the problem:

Step 1. Reset your network settings. To do this you need to follow the path “ Settings» — « Basic» — « Reset", click on the item " Reset network settings" and enter the password.

This measure will not lead to the deletion of personal data.

Step 2. Restore your iPhone via iTunes and set it up like new. The likelihood that this measure will help is 90%. Remember that restoring clears the device's memory. Before you begin the recovery procedure, do backup copy data.

If the gadget is locked to AT&T, it will not work with Russian SIM cards, no matter what efforts the user makes. The unfortunate owner of such a smartphone is better off seeking an official unlock.

Conclusion

If there is no network on your iPhone, there is no need to rush to the experts for repairs. Service center specialists are interested in finding a fault in the gadget - and they will most likely find it, “making a mountain out of a mountain.” Before sending the phone in for repair, the user should take a number of simple measures - check the time, network settings, reboot the gadget, update iOS. The chance that one of these measures will produce results is very high.

In use iPhone gadgets there are some nuances, so if you are faced with the fact that the phone does not find the operator’s signal, do not panic - this can happen to anyone. There are many reasons why the iPhone does not see the network, they relate to the device settings or external faults. Let's look at why problems occur and what you need to do to fix them.

The problem with communication on iPhone is not isolated, but there are quick solutions

First of all, just try to reboot the device - perhaps there was a slight glitch in the system.

If this does not help, turn to the iPhone settings. Why is there no connection with the operator? In most cases, the problem with finding a network occurs due to incorrect settings time zone and time. To check this, follow these steps:

  • Go to the settings menu and turn on Wi-Fi.
  • Return to main settings, select the Date and time menu.
  • Here you will see the line “Automatic” - this function allows the device to independently determine the time zone and time. Place the button in active position or, if the line is enabled, turn it off and then on again.
  • Wait about a minute, restart your phone.

Sometimes the device does not receive a signal due to the fact that the operator does not provide its services in a certain region. To check if this is actually the case, go to the menu with operating modes and select the “Airplane mode” option - turn it on, wait a few seconds. Then turn it off - after these steps the network will reboot, after which the iPhone will search for a signal.

If there are no changes, let's check your provider's settings. To do this you need to do the following:

Search for updates

Your iPhone may not receive a signal due to the fact that you have not installed the latest updates for the system - they are necessary for the gadget to work correctly. Go to the “About this device” item if you see that there are new ones for iPhone system files, connect to the Internet and start the update process.

Note. If for one reason or another you are unable to connect to the Internet from your phone, connect it to your computer, go to iTunes, search for updates and install them.

Malfunctions after factory unlocking

Why is there no network after activating my iPhone? If after factory unlocking the device does not receive a signal, this means that it sees the card itself, you just need to fix the problem in the parameters.

To do this, reset the settings - insert the SIM card, go to Basic settings, Reset and select the “Reset network settings” option.

Problems with finding a signal arise when the iPhone is activated using the SAMPrefs or Redsnow programs. If the unlocking was successful, but there is still no connection, you need to reset the smartphone settings, which is done in the following way:

  • Insert the SIM card and connect it to your computer, open iTunes.
  • Make a backup, then click on the restore option.
  • After the restoration is complete, you will be asked to restore your iPhone from an existing backup or recognize it as a new device - select the second option.
  • After the activation procedure, the phone will search for a network and connect to it.

Note. If the iPhone is still programmed to work with AT&T, it will not pick up the signal from Russian providers in any case. It is necessary to unlock using the IMEI number - for this it is best to contact a specialist.

Other reasons for lack of network

The iPhone may not receive a signal due to external problems with a card or the mobile equipment itself. This happens in the following cases:

  • If the SIM card was cut incorrectly, the phone may not recognize it correctly - contact your service provider directly and order correct map for iPhone.
  • IN mobile device There are problems with the antenna - in such a situation, you need to contact a specialist and have the device repaired.

If you insert another SIM card and it catches the network, the problem concerns a specific operator - it has blocked the card you want to use. This happens for the following reasons:

  • The connection is inactive because you do not have funds in your account or you have not met other conditions for the provision of communication services.
  • The card is blocked using the IMEY code. In this case, contact the service center to activate it.


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