Why do I always have a bad signal, why do I do it

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.

When the notebook fails to start, it is recommended to eliminate it as follows:

1.Verify that the power indicator is on.

2.Observe whether the screen is lit up and whether you can see the Samsung logo screen with a blue background.

3.If you can see the Samsung logo screen, it is recommended to restore the default settings of the BIOS, that is, press F2 to enter the BIOS when the Samsung logo screen appears at boot, then press F9, select Yes, and then press F10 to save and exit.

4.If the recovery BIOS is invalid, try whether you can enter safe mode, that is, press F8 on the Samsung logo screen when booting up, and select safe mode to enter.

5.If you can enter safe mode, it is recommended to uninstall the recently installed software program in safe mode, and observe the system after checking and killing viruses.

6.If the above operation does not work, it is recommended to reinstall the operating system and observe it (please back up your important data before reinstalling the system).

7.If the system cannot be reinstalled or the reinstalled system is invalid, it is recommended to contact the authorized after-sales service center designated by Samsung for testing.

If the power indicator of the notebook will not light up after pressing the power button, then you need to check whether the socket and power adapter have been turned on and plugged in, if there is no problem, then you need to contact the authorized after-sales service center designated by Samsung directly for testing.

1.Make sure you are in a good network environment.

Try changing your current location.

1) In some closed indoor environments, such as houses with dense spacing between buildings, the mobile phone signal may be blocked, resulting in poor signal.

2) The network coverage of operators varies according to different regions, and some areas may have insufficient coverage capacity, resulting in poor mobile phone signals.

If your mobile phone has a poor signal in a specific area, or if a nearby friend's mobile phone using the same carrier** card also has a poor signal, it may be caused by the poor network quality in your location, and you can return to normal after changing to another place.

2.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 poor mobile phone signal.

3.Please restart your phone or switch on and off airplane mode.

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

4.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 or four dots in the upper right corner, and select Reset to Default Settings to try.

5.Please reset your network settings.

6.Please remove the SIM card.

1) If your mobile phone card is a manually cut card, it may cause signal problems due to non-standard shape and poor contact, so 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) Dirty or oxidized SIM cards will also lead to poor contact, so it is recommended that you keep the SIM card clean.

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

If your phone still has poor 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 proof of purchase, and go to a Huawei Customer Service Center near you.

Make an appointment for service. Boarding service.

Repair spare parts** inquiry.

1. It is normal for the mobile phone not to play**, and if the signal is not good if it is not good, you can try other methods.

2. The mobile phone on the first floor is often in a state of no signal, but after the mobile phone is brought to the second floor for use, the mobile phone signal is basically three or four bars, and it is relatively stable. Therefore, when the signal is not good in the place where you are, you may wish to go to a higher position and use it in a place where the window is biased, and many can solve the problem of poor mobile phone signal.

3. There are three major network operators in the domestic mobile phone network, namely China Mobile, China Unicom and China Telecom. These three network signals exist at the same time, when you use the mobile network, the signal is not good, friends with conditions may wish to use Telecom or Unicom card, so that many times you can resolve the problem of poor mobile phone signal.

4. At present, a hot-selling device called mobile phone signal amplifier on the Internet is popular among users in remote villages, basements, and families or communities with poor mobile phone signal. A cell phone signal amplifier can amplify the cell phone signal around us, which can improve the quality of the network. It is very practical for users in some of the lower residential areas, basements.

If you are using a Huawei phone and the " " symbol appears on the signal bar of the mobile phone, we recommend that you take the following methods to try to solve the problem:

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

2.Make sure you are in a good network environment.

Try changing your current location.

1) In some closed indoor environments, such as houses with dense spacing between buildings, the mobile phone signal may be blocked, resulting in no signal.

2) The network coverage of operators 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.

3.Please avoid interference from metal or magnetic materials.

If your mobile phone uses a special metal protective case, or you are in an elevator, in a 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 restart your phone or switch on and off 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.

5.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 or four dots in the upper right corner, and select Reset to Default Settings to try.

6.Please reset your network settings.

7.Please remove the SIM card.

1) If your mobile phone card is manually cut, there may be signal problems due to non-standard shape and poor contact, it is recommended that you bring your personal ID card to the operator's business hall to apply for a standard mobile phone card.

2) Dirty or oxidized SIM cards will also lead to poor contact, so it is recommended that you keep the SIM card slippery and clean.

8.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 nearby Huawei Customer Service Center to check the test.

Make an appointment for service. Boarding service.

Repair spare parts** inquiry.

Either the place is relatively remote, or the card signal used is not good in that place.

Cut off the bottom of the empty can, cut it vertically upward, cut off both ends but do not cut it, and put it on the router antenna.

The Apple iPhone is very good, but it also has its shortcomings, such as the signal. Many Apple users have said that their mobile phone signal is not good, and they are even worse than their friends who use low-end Android phones around them.

It is possible that the mobile phone is checking the signal strength in the signal shielding area.

First of all, you can observe why the signal of your Apple mobile phone is not good through the way of Apple mobile phone signal query?

Enter the dialing interface of your iPhone and enter [*3001*], as shown in the figure below; Then click on the dial button to get data similar to the following. If your iPhone is shown above"field test", then your iPhone is the Qualcomm baseband; If it is displayed"main menu", then your iPhone is the Intel baseband. The data shows that Intel's baseband performance is significantly lower than Qualcomm's, so iPhones with Intel's baseband have a significantly poor signal.

UBNT Small Living Room Lecture 8 teaches you how to understand and deal with interference and attenuation of wireless WiFi.

Maybe your place is too far away from the place of the signal, or maybe you are in the mountains, then there will definitely be no signal, because there is something blocking the signal from coming in, so there will be no signal, so the military luck depends on you are in **?

"We recommend that you follow the steps below:

1.Turn your phone on and off again.

2.Change a SIM card and insert it into the unit to try.

3.Check whether the phone has software such as Security Guard or Calendex installed, and try to uninstall it.

4.Update the system version of the phone to see if there is any improvement.

5.Back up your phone's data (**book, SMS, multi** files, etc.), restore factory settings, if the problem still exists, it is recommended to send your phone to the nearest service center for testing and repair"

It depends on whether it's a problem with the mobile phone or the signal in the area.

The signal in the area is not good