-
1. If you can't access the Internet, please try to turn off and restart; Please check whether the maximum flow rate threshold for this month has been reached; Please check whether your phone settings mobile data is turned on; Set the mobile data option APN and whether the name is set to 3GNET.
2. If you still can't access the Internet, it is recommended that you troubleshoot in the following ways:
Check whether there is a network, it is recommended that you can use it in a place with a strong signal;
Check whether there is still a credit in the account, if the balance is insufficient, you need to recharge before you can use it;
Confirm whether the parameters of the mobile phone have been set;
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;
Check whether there is a problem with the mobile phone, it is recommended that you change the phone for testing;
In case of traffic capping, it will also lead to the inability to access the Internet;
The number has not been registered with the real name, and the real-name registration has not been completed within the time limit, and the service will be suspended;
3. If the above situation is not the case, it is recommended that you contact the manual customer service of Unicom in the place where you belong for consultation, and the actual situation is subject to the local policy.
-
We recommend that you try the following steps:
1.Restart your phone (so that your phone can search and register again)2Under Standby Desktop - Tap Apps - Settings - Connections - More Networks - Mobile Networks - Network Operators - Search Networks - Select the network operator supported by your SIM card.
3.Wipe the contact points between the mobile phone card and the mobile phone (whether it is a SIM card with poor contact) 4If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine.
-
Hello dear Samsung users:
According to your description, if your A7 phone won't read the SIM card, it is recommended that you try it by following the steps below:
1.Turn the phone on and off again, check whether the mobile phone card is inserted in place and whether the insertion direction is correct2Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).
3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Back up your mobile phone data (**book, short message, multi** files, etc.), restore factory settingsIf the problem still exists, it is recommended that you send your mobile phone to the nearest Samsung service center for testing and repairSamsung enterprises know, provide you with high-quality solutions, answer your questions attentively, and hope to get your satisfactory evaluation.
-
Do you do a good job, mine is also turned on for about 10 minutes without knowing the prompt no SIM card, go to the after-sales maintenance test to say normal, restore factory settings, change the card, change the machine, all kinds of experiments or not, is it a substandard product, just bought for two months.
-
1. Check whether the SIM card is enabled for GPRS Internet service or temporarily closed.
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.
2. Check whether the "Mobile Data" switch is turned on.
Slide your finger down on the top curtain of the screen, slide the shortcut bar to the left, and turn the "Mobile Data" dot green.
3. Reset the Internet access parameters.
In standby mode, select Standby Screen - Applications - More Settings - Mobile Network - Tap the access point name - Menu - Reset to Default Settings - After the settings are completed, restart your phone to surf the Internet.
4. Please try to change to another ** card.
5. You can also try again in a different time period or network environment.
6. Back up your phone's data (**book, SMS, **, etc.), restore your phone to factory settings, if the fault persists, it is recommended to send your phone to the nearest Samsung service center for testing and repair.
Hello: If you need to uninstall the mobile phone software, you are provided with the following 3 ways: >>>More
Licensed. Samsung C188 Real price: 280 yuan Configuration: one battery and one charge. >>>More
Inch; Resolution: 800*480;Material: TFT screen.
2.Dimensions: x x mm; The weight is the color of the case: >>>More
Hello, Samsung's official website does not provide flashing software. Due to the risks associated with flashing, such as mobile phone problems caused by self-flashing, it may also affect the repair, so we do not recommend that you flash your phone by yourself. If the phone cannot be used normally due to system failure or the phone has problems after flashing the phone by itself, it is recommended that you send the device to the Samsung after-sales service center for an engineer to help check and deal with it.
1.Screen: Inch Super AMOLED screen, resolution: 720 x 1280 (HD). >>>More