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Reason: Check whether the SIM card is enabled for GPRS or temporarily disabled.
Check that the "Mobile data" switch is turned on.
Whether there is no ** fee.
Solution: To use the mobile phone data Internet function, the ** card needs to activate the data data Internet service. You can contact the local network provider of **card** to open the data traffic Internet service.
Swipe the shortcut bar to open the data and you can connect to the Internet.
Top up your credit. Expansion:
Frequently Asked Questions on Mobile Terminals:
How to choose the use of data for dual-SIM dual-standby mobile phones:
Answer: The primary SIM card can only use the 4G network, and the supplementary card can use the 3G or 2G network.
You can only use mobile QQ to connect to the Internet, and nothing else can be used. :
Answer: It may be a WAP access point, and it is recommended to replace it with a NET access point. If the change is invalid, it is recommended to restore the factory settings after backing up the data, and if it has not been restored, you need to upgrade the mobile phone system.
The remaining traffic displayed by the mobile phone traffic monitoring software does not match the query of the carrier's system
Answer: mobile phone traffic monitoring software is a third-party software, not the software provided by the operator, generally can only play a reference role, the actual traffic is recommended to the operator to query shall prevail, can also ** mobile phone business hall or open mobile phone Internet traffic by day, weekly reminder.
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Is there still data on the phone? To determine whether the local signal is stable, it is recommended to try to change the time period, geographical location, or change the SIM card. It may also have something to do with the mobile network.
If it is convenient, it is recommended that you call the network operator** to refresh the network data of the mobile phone, turn it off and restart it, and try it. Dial 10086 from China Mobile and 10010 from China Unicom.
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If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following conditions:
Situation 1] The contact between the SIM card and the metal contacts of the mobile phone is insufficient, and the SIM card can be reinserted.
Situation 2] If the SIM card is damaged or there is a problem with the mobile phone, you can change the phone to test whether it is the SIM card or the mobile phone is faulty.
Situation 3] The current location is a signal blind zone or suddenly no signal, you can change places to test and pay attention to whether the mobile phone signal of other users around you is normal.
Situation 4] If the mobile phone card is in arrears or is shut down, you can pay off the arrears and turn it on.
Situation 5] The service is suspended due to abnormal use of the number, such as the number being used for illegal or illegal activities.
Situation 6] Roaming in Taiwan, Hong Kong, Macao or abroad can only be used after enabling Taiwan, Hong Kong and Macao roaming and international roaming.
Situation 7] If the total traffic generated by the Internet reaches the ** traffic cap value in the current month, the system will automatically turn off the Internet access function, or limit the speed of the network, and the network will be automatically restored in the next month, which shall be subject to your ** traffic cap rules.
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If your phone is not working properly, please check the following:
1. Confirm whether there is a network, it is recommended that you can use it in a place with a strong signal;
2. Check whether there is still a phone bill in the account, if the balance is insufficient, you need to recharge before you can use it;
3. After 3-5 minutes of power off, restart the phone and try again;
4. Check whether the USIM card is inserted, if it has been inserted but still cannot be used, it is recommended that you go to the business hall to check whether the USIM card is faulty, or replace the card for testing;
5. If the traffic usage reaches the maximum value in the current month, the network will be automatically closed, it is recommended that you pay attention to our SMS reminder or inquire about the **product description.
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Turn on airplane mode and connect again, confirm whether the local network coverage is normal, try to change the SIM card of a family member or friend and place it in the mobile phone to see if it can be used, try to go to Settings - More - Mobile Network - "Access Point Name" toggle, turn on "System Manager" - Traffic Monitoring - Control Application Networking - Data Network Networking - Check whether the application is prohibited from connecting to the Internet, and restore important data backup to factory settings.
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Try to change the card, or no, backup data and restore the factory settings.
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Restart your phone, or back up your data and restore it to factory settings.
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How to deal with it:
1. Confirm whether the mobile phone has a data connection turned on;
2. Confirm whether the local network coverage is normal;
3. Try to change the SIM card of a family member or friend and place it in the mobile phone to see if it can be used;
5. Open "System Manager" Traffic Monitoring Control Application Networking Data Network Networking Check whether the application is prohibited from networking;
6. Back up important data and restore factory settings.
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Turn on mobile data in your phone's settings, if you still can't use the replaceable SIM card or in System Manager Traffic Monitoring Controlling Application Networking Data Network Networking Check whether the app is disabled from the Internet, just allow the Internet.
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Clean up junk or uninstall third-party software that you don't use on your phone.
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Clear the body of the phone to clear it, if it is convenient, you can directly restore the factory settings to see.
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Just delete the data folder in the phone folder manually.
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Clear your phone's cache files or try upgrading your system.
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You can't back up your phone data and restore it to factory settings.
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Clean up your phone's cache files.
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1. Click the drop-down menu Data connection to open.
1. First of all, you need to turn on cellular data, and how to turn it on: you can go to Envy Vertical Settings - Network - Data Connection to turn on cellular data.
2. After opening, the upper part of the screen needs to display the icon of the Internet, according to the user's different sim and network conditions, the following icons may appear (4G, H+, H, 3G, E, G), if not displayed, you can turn the phone on and off again.
3. If some applications cannot access the Internet, you can go to System Manager - Permission Management - Application to open the mobile network permission of this application or Pai Tsai Research.
4. If you still can't access the Internet, it is recommended to restore your phone to factory settings.
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1. Click the drop-down menu Data connection to open.
1. First of all, you need to turn on cellular data, and you can turn on cellular data in Settings-Network-Data Connection.
2. After opening, the upper part of the screen needs to display the icon of Internet access, according to the user's different sim and network conditions, the following icons may appear (4G, H+, H, 3G, E, G), if not displayed, you can turn the phone on and off again.
3. If some applications cannot access the Internet, you can go to System Manager - Permission Management - Application to turn on the research mobile network permission of this application.
4. If you still can't access the Internet, it is recommended to restore your phone to factory settings.
If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following conditions: >>>More
The serial number displayed after the key corresponds to the barcode on the mobile phone box and the serial number inside the back of the mobile phone after removing the electric board. >>>More
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1. Long press the story lock screen wallpaper in the lock screen status of the lock screen, and the wallpaper subscription will appear Uncheck all of them; >>>More
Make sure that the battery of your phone is sufficient, and then connect your phone to a power source to charge it for a period of time before trying to turn it on. You can also press and hold the "Power Button" and "Volume + Button" at the same time to try to enter the recovery mode, select "Clear Data" first, and then select "Restart" after the interface jumps.