Endless network search for iPhone 4s. Why iPhone doesn’t catch the network: main reasons


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!

The problem of searching for a network on iPhone is not that common, which, of course, is good news. Nevertheless, this happens, and since you are reading these lines, it means this problem has affected you too.

It happens that an iPhone does not immediately puzzle its owner with a sudden transition to constant search networks. As a rule, this is preceded by interruptions in communication for some time, after which, one fine day, you simply will not be able to call anyone.

Or perhaps you dropped the device or otherwise damaged the device. In any case, the problem must be solved.

The reasons for constantly searching for the network should be sought in three directions:

  • problems with the SIM card;
  • software problems;
  • problems with the hardware of the mobile device.

Constantly searching for iPhone network, what to do?

1. First of all, make sure that you are in a cellular network coverage area.
Launch the "Settings" application, go to the " cellular" (or "Cellular Data" on iPad). Check if you have cellular data turned on.

2. Reboot your mobile device.

3. Pay attention to the SIM card. To begin with, just try to push it. If this does not help, you need to check the functionality of the SIM card. You can do this by borrowing their iPhone from colleagues or friends and trying to exchange SIM cards.

4. Reset your network settings. Go to Settings > General > Reset > Reset Network Settings. Please note that this also resets Wi-Fi networks and passwords, cellular network settings, as well as VPN and APN settings.

5. If all else fails and the device continues to report that it is searching for a network, go to Settings > General > About this device. Here we are interested in the line “Modem firmware”. If the line is empty, there is no information, probably the reason for the eternal network search lies in the failure of the device’s modem.

In this case, you should not rush to reflash the device in iTunes, as is often recommended, simply because the lack of power on the modem chip will not allow this. iTunes will probably give you an error and your iPhone won't turn on. In this case, it is best to contact an Apple equipment repair service.

If you have not found an answer to your question or something has not worked out for you, and there is no suitable solution in the comments below, ask a question through our

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 a wi-fi network. 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 our service center, we can unlock it 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.

Thank you! Your message has been sent successfully!

Constant search iPhone networks 4s is a problem familiar to many smartphone owners of this brand. Sometimes, to eliminate it, simple manipulations that do not take much time are enough. The simplest solution is to simply reboot your device to fix the system crash.

Checking and setting network parameters

If and after reboot iphone 4s says network search, you need to dig into the settings. Very often the problem occurs when incorrect installation time settings and incorrect time zone selection.

To configure settings, you must connect your device to a Wi-Fi network. Next, follow the instructions.

  1. Go to the settings menu and go to the “Basic Settings” section.
  2. Select Date & Time. In this section there is an “Automatic” item - if the function is inactive, activate it. If it is on, turn it off, wait a few seconds and turn it on again.
  3. Reboot your device.

Usually after performing such manipulations iPhone problem 4s eternal search the network disappears completely.

Operator verification

iPhone 4s searching for a network without a SIM card - users may encounter this situation when traveling to another region. Most likely, the operator simply does not provide services in this territory or the signal is not stable. In this case, you can activate the “Airplane” mode for a few minutes. After it is turned off, automatic search available networks.

Sometimes the iPhone 4s does not catch the network well because it is not installed automatic detection settings. You can enable it as follows:

  • go to the “Options” menu and select “Operator”;
  • activate automatic detection of settings.

Software update required

3G disappears on iPhone 4s - perhaps it’s just not installed important updates. You can check information about updates by going to the “About device” menu item. If available system files, you need to connect to Wi-Fi and start installing them.

If not wireless network Internet. You can install updates by connecting your smartphone to a computer on which iTunes is installed.

Problems with factory unlocking

When the network disappears on the iPhone 4, but the device sees the SIM card itself, there may be a need to make some changes to the settings.

  1. Reset all settings.
  2. Turn off the device, remove and reinsert the SIM card.
  3. Go to the “Basic Settings” menu and select “Reset network settings”, confirm the action.

If these steps were not enough to completely eliminate the problem, you need to connect to a PC via iTunes:

  • connect your phone to your computer and open the program;
  • make a backup;
  • click on “Recovery Point”;
  • After automatic factory reset, two options will appear further actions, you need to select “recognize as a new device”.

Upon completion of the manipulations, the device will automatically search for the network.

Other options

The reason for constantly searching for a network on iPhone 4 may be incorrect cutting of the SIM card. If damage to the chip is noticeable, you need to contact the operator and order a reissue of the card in the required format. Or the card may be blocked due to a violation of the agreement with the operator - in this case, you need to contact the service center.

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 have gone wrong mobile operator. 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 gadgets required Latest updates systems. 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. Specialists service centers 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.


2024 gtavrl.ru.