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1.Whether a magnetic case, metal case, magnetic stand, or magnetic chuck cup is used.
If your phone uses a metal case, magnetic case, magnetic bracket or magnetic chuck, it is recommended to remove it and try it, as metal and magnetic materials can easily interfere with the signal and cause the phone signal to deteriorate.
2.Change 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. You can go outside to test if the mobile phone signal can return to normal.
2) The degree of network coverage of operators varies according to different regions, and urban areas basically meet the coverage, but some remote areas may have insufficient coverage capacity, which will lead to poor mobile phone signal. You can determine whether it is caused by network coverage problems by whether the mobile phone signal is poor when you are only in the same area or the mobile phone signal status of nearby friends using the same carrier** card.
3.Check that the APN settings are correct.
Incorrect APN settings will affect the normal use of the network.
2) Click the APN name to enter the APN setting interface.
3) Open the three dots in the top right corner and tap Reset to default.
4.Clean the SIM card, cross-swap card attempt.
1) Please take out the ** card to observe whether the metal surface is dirty or oxidized, it is recommended to keep the ** card clean and try it.
2) It is recommended to change to another SIM card of the same carrier, or change the SIM card to another mobile phone that supports this card before viewing. If the signal icons are all displayed as no signal, it is recommended to go to the operator's office to check and replace the SIM card with a new one.
5.Reset network settings.
If the problem persists, we recommend going to Settings, searching for Restore Network Settings, and clicking Reset Network Settings. This operation will delete Wi-Fi and Bluetooth related records, so please operate with caution.
If the problem persists after trying the above methods, we recommend that you back up your data in advance (WeChat QQ and other apps must be backed up separately) and bring the relevant purchase voucher to a nearby Huawei customer service center for testing.
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If it is broken, it must be replaced or repaired. The mobile phones that are more than 1 year old are all new mobile phones, and there is no need to repair them. Fix it today, and everything else will break tomorrow.
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Try restarting your phone first.
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If you are using a Huawei phone and the phone shows Emergency Call Only, we recommend that you try to solve the problem by following the following methods:
1.Avoid using magnetic metal cases, magnetic stands, or magnetic chucks.
If your phone uses a metal case, magnetic case, magnetic bracket or magnetic chuck, it is recommended that you remove it and try it, as metal and magnetic materials can easily interfere with the signal and cause no signal on your phone.
2.Please confirm whether the SIM card is 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 (when a single SIM is inserted) or only one card signal (when dual SIM is inserted).
3.Please troubleshoot the SIM card.
It is recommended that you install the SIM card of the same operator into your mobile phone to check, if the signal display is normal, it may be that there is a problem with your mobile phone card, it is recommended that you go to the operator's business office to replace the new mobile phone card.
If your mobile phone card is a manually cut card, it may affect the reading of the signal due to non-standard shape and poor contact, so it is recommended that you bring your personal ID card to the operator's business office to apply for a standard mobile phone card.
Dirty or oxidized SIM cards will also affect the reading of the signal, so it is recommended that you keep the SIM card clean.
4.Please rule out network causes.
1. Try changing your current location.
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 try resetting 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 the three dots in the upper right corner, and select Reset to Default Settings to try.
3) Please try to reset the network settings.
4) Please restart your phone or switch on airplane mode to try.
5.Please try after updating your phone system to the latest version.
It is recommended that you back up your data in advance (third-party communication apps need to be backed up separately) and update the system version of your mobile phone in time.
If the above troubleshooting does not resolve your issue, we recommend that you contact Huawei Consumer Service** (950800) for further assistance, or back up your data in advance (third-party communication apps must be backed up separately), bring your purchase credentials, and go to a Huawei Customer Service Center near you.
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In this case, it may be that the network in the area is not good, so the signal may come and go. If you are sure that the other person's mobile phone signal is normal, then you can remove the card and test it in other procedures. Eliminate whether it is a problem with your phone or a card, or you can also try to reinstall it to rule out bad contact.
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If there is no signal on your Huawei phone, it is recommended to confirm the information and try to solve it
1. Please confirm whether the SIM card is valid. Insert the SIM card into another phone to see if it works.
2. It may be that the current network signal is poor, so please wait for a period of time or use the mobile phone in a place with a better signal.
3. Please make sure that the airplane mode is not turned on on your phone. When airplane mode is turned on, the airplane mode icon will be displayed in the status bar, and the phone will have no signal at this time.
4. If there is still no signal after the above checks, please restart your phone.
5. If you still can't restart your phone, please back up important data, restore your phone to factory settings, or upgrade the latest software version and try again.
<> can also have an after-sales outlet address inquiry entrance at the bottom of the official website page of Huawei**;
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1. Open the phone settings, tap the mobile network, and turn on the airplane mode, 2. Wait for a while, and then turn off the airplane mode to see if it returns to the normal state.
1. Open Settings, click System & Update, Reset 2. Select Restore Network Settings Vertically, Restore Network Settings 3. After entering the page, click Reset Network Settings again, and see that the phone prompts that the network settings have been restored.
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Check whether the SIM UIM card is inserted incorrectly, and whether the direction is accompanied by the destruction is messed up. The metal sheet of the card is opposite to the metal sheet of the mobile phone, and the notch of the card is relative to the notch of the mobile phone. 2. Check whether there is an airplane mode icon in the status bar of the phone, and turn it off if so.
3. Open Settings, About Phone, Status Message, Network, and Signal Strength to view the signal strength, if there is no signal, you can change to a place with a good signal. 4. Open the phone settings, swipe to the bottom, click System, enter the system interface, click Restore Network Settings, enter the Restore Network Settings interface, select the card with no signal, click below to restore the network smile Peiluo settings, and the page will pop up a prompt for successful restoration after the restoration is successful. Then restart your phone.
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Huawei mobile phone has no signal, generally not a mobile phone problem, consider replacing the **Carson to change the problem. Check it out in advance, and if the ** signal of the electric judgment operator Shiqiao is good, which ** card to buy.
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Restart your phone and try it! Or try to change a mobile phone card, maybe it's a question about the sail bureau of the hand ruler machine card. If not, take the mobile phone to the mobile phone repair shop and ask the master to get it.
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What should I do if my Huawei phone has no signal? This can be done by restarting the phone, or setting his wifi settings to set his traffic to be stronger.
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If there is no signal on your phone suddenly, then it is recommended that you turn it off immediately and restart it.
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What should I do if my Huawei phone has no signal? Is that a problem with the quietness of the Internet? If it is a problem with the network, then you can take a look at it after connecting to the Internet, if Qiqi is not, find after-sales service in time.
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If the mobile phone has no signal, it means that the source is not very good in your area, or you have no signal towers in this area, so you should move your location.
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1. The SIM card has not passed the real-name authentication of the operator.
If you do not have real-name authentication, you may have abnormal signals, unable to make calls, send text messages, and cannot access the Internet for data services.
2. Restart the phone and unplug it to try it.
The phone is overheated, the voltage is insufficient, and the battery is worn out.
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Oh, first of all, I hope it can help you, this is simple, let's tell you this, the first number is not zero, then it can be any one of 1-9, that is, nine possibilities, and the second number, you can use any of the remaining of the first number, this time can also include zero, so it is also nine possibilities, and the third number, since the first and second use two, the third number can only use the remaining eight numbers, so there are a total of 9x9x8 possibilities, that is, 648 possibilities, Hope it helps!