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It may be due to the cellular network, the network is poor.
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Workaround for DNS server not responding:
Step 1: In this case, the first thing is to see if other people's computers or mobile phones and other devices are connected to the network normally and whether they can be opened**. If other devices can't be turned on, of course, there is a problem with the network.
Otherwise, there is a problem with the computer, so try restarting the computer first.
Step 3: Generally, it should be fine at this time. The DNS service may not be enabled. You can press the Windows key + R key, enter " in the "Run" dialog box that opens, and click "OK".
Step 4: In the "Services" window that opens, find the "DNS Client" service, if the service is not enabled, then "Start" it. Of course, it is recommended to start the "dhcp client" service as well.
If the DNS service has been turned on, or if the correct DNS is set and invalid, it is usually another problem with the computer.
Step 6: And run the "arp -d" command from the command line.
Step 7: If it doesn't work yet, you can check if ** is used. Open IE's Internet Options dialog box and switch to the Connections tab.
Step 8: Click "LAN Settings" and uncheck all the checkboxes in the pop-up dialog box.
Step 9: If that doesn't work, then try running DOS as administrator, run the "netsh winsock reset" command from the command line.
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1. Reset the network settings and restart the phone.
2. Cause analysis:
1. Your IP is blacklisted;
2. You access this ** too much in a certain period of time (usually with a collection program), and you are denied access by the firewall;
3. **The domain name is resolved to the space, but the space is not bound to the domain name.
4. Your web script file does not have the execution permission in the current directory.
5. The create and write file operation was performed in a directory that does not allow writing to create files.
6. The server is busy, and there are too many requests sent from the same IP address, which is intelligently blocked by the server.
3. What is 403 forbidden
Forbidden is a status code in the HTTP protocol. It can be simply understood that there is no permission to access this site.
2. This status indicates that the server understands the request but refuses to execute the task, and the request should not be resent to the server. In cases where the HTTP request method is not "head" and the server wants the client to know why it does not have permissions, the server should describe the reason for the denial in the returned message. In cases where the server does not want to provide any feedback, the server can replace 403 forbidden with 404 not found, e.g
choovin。
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If you are using a Huawei phone and the app on your phone is unresponsive or cannot be opened, the app version is outdated, the app permissions are not enabled, and the system memory is insufficient
1 Restart the app.
2 Check for updates.
If the old version of the app is not compatible with the latest OS version of your phone, we recommend that you update the app to the latest version in AppGallery or the app's official website.
Some app adaptations may require the version of the mobile phone system, it is recommended that you check to update the mobile phone system version
3 Check app compatibility.
If a third-party app crashes, you can search for the app in the app market to see if the app is compatible with the latest version of the phone, or compare it with the same Android version of the phone. If the app market prompts incompatibility, or if this problem occurs on similar phones, it may be a problem with the app itself, and it is recommended that you try to consult the app developer to find a solution.
4 Check app permissions.
If your phone has disabled certain permissions from third-party software, it can cause apps to crash. You can turn on permissions in Permissions Management: go to your phone's settings, search for permissions, find the app you need to set, and turn on the relevant permissions.
5 Clear app data.
It may be that the app cache file is abnormal, you can try to delete the app data: open Settings, search for App Management, find the specific app, and then click Store > Delete Data.
6 Uninstall and reinstall the app.
7 Try to uninstall the update Android System WebView (GMS devices only).
For GMS devices, such as the P30 and Mate20 series, try uninstalling the update Android System Webview
Go to your phone settings > Apps > App Management, and click on the three dots in the upper right corner to select Show System Processes. Find the Android System webview to enter;
1) If the Enable button is optional, click Enable.
2) If there are three dots in the upper right corner, tap on this icon and select Uninstall Update. Then restart your device.
8 Clean up your phone's storage.
If the system memory is insufficient, some applications that occupy a large amount of memory may crash and become unresponsive, such as gaming apps.
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The configuration of this phone itself is relatively low, you can try to restore the factory settings in this case, but the factory reset, the data in the phone will be all erased, so be sure to back up the data. After the factory reset, it will not be long before this situation will often occur, because the configuration of the mobile phone cannot be brought in, and you need to replace the new mobile phone.
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Close and reopen the unresponsive program; If there is a problem with the mobile phone system, open [Settings], enter [Storage and Backup], select [Factory Reset], and click [Restore System]. If the software installation package is damaged, uninstall the unresponsive software and re-install it in the app.
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Mobile phone communication is to send and receive signals through the network base station, and then communicate with the called party, such as the mobile phone shows no service may be related to the following conditions:
1. The SIM card of the mobile phone is in poor contact with the shneme 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 you can turn off the mobile phone and then restart, 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 no service as the reason for the SIM card.
4. If the SIM card of the mobile phone is accidental, and there is no signal in the network signal coverage area, it fails to reconnect to search the network and merge the book, at this time, 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.
6. **The card has been used for too long, and with a valid certificate, you can go to the local business hall to reapply for a card.
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1. Restart your phone to see if the SIM card can be detected.
2. Check whether the phone has the offline mode.
3. Check whether there is an insertion of the wrong SIM card (such as inserting the mobile phone into the SIM card of Royal Telecom 4. It may be that the SIM card contacts are oxidized, erase it with an eraser, or replace it with another SIM card.
5. Whether the network type is correct and whether the operator selects whether it is automatic. (Unicom selects 3G priority town Hu finger, mobile selects only 2G, and telecom selects automatic).
6. Whether there is no signal in the area. You need to check whether other mobile phones on the same network have signals.
7. Back up the data, flash to the latest system version and try again.
8. If the above methods still can't help solve the problem, it may be that the card slot is broken, and it is recommended to send the mobile phone to the after-sales outlet for testing.
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1. The configuration is too low: one of the reasons for the mobile phone to respond to the Caton is that the configuration is not enough, such as the poor performance of the processor, etc., it will lead to slower processing speed, if there are more applications, some software will be unresponsive, and the situation of Caton is easy to appear on the thousand-yuan machine or the old model.
2. Insufficient memory: The choice of mobile phone will generally have 6+128G、8+64G such a configuration,Among them, the previous 6 and 8 refer to the running memory,Each program will occupy some memory during operation,Once it is full, it may be stuck and not responsive when you open other applications。
3. The capacity is too small: If the storage capacity of the mobile phone is relatively small, such as 16g 32g, etc., when the thing is full, there will be no response during operation, because reading or writing is slow.
5. Conflict between software and system: When there is a conflict between software and system, the software can not be used normally, and one of the common phenomena is that it does not respond.
However, due to the fact that the mobile phone is in an unresponsive state, the information or application cannot be read immediately, so it is necessary to solve the problem of no sound preparedness first, if it is temporarily urgent, you can try to restart the mobile phone can generally alleviate the phenomenon of no response.
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