Samsung i679 telecom version of the mobile phone how often there is no network and signal

Hello dear Samsung users:

Based on your description, we recommend that you try it by following the steps below:

1.Restart your phone and try.

2.Turn off the power off and remove the SIM card, and use the eraser to wipe the SIM card chip.

3.It is possible that the signal coverage of your location is not good, you can try it in a different location with a good signal.

4.If possible, you can try to change to another SIM card.

6.Back up data (contacts, SMS, **, etc.), factory reset (Settings - Account - Reset - Factory Reset) attempt.

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According to your description. It is recommended that you take a test to determine whether it is a UIM card problem, other people's cards are normal on your own mobile phones, and your UIM cards are frequently dropped when you surf the Internet on your own mobile phones or other mobile phones, please go to the business hall to test and replace the card. If there is no problem with the UIM card, it is recommended that you go to Samsung after-sales service to see if it is a problem with your phone.

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The telecom version of the mobile phone is not very good, they mainly do the network, its network is the best of the three major operators, if it is a mobile phone signal, telecom is not as good as mobile, mobile network is not as good as telecom, but the mobile phone signal is much better than it.

The reasons why Samsung i679 mobile phones can't play include tariff problems, SIM card problems, operator network signal problems, third-party software interference, mobile phone system problems, etc. Solution:

1. Confirm that the tariff of the mobile phone card is sufficient, and there is no shutdown in arrears.

2. After the phone is turned off, disassemble and assemble the battery, and try to restart it.

3. Try the geographical location of the mobile phone in a different time period to eliminate the operator's network signal problem.

4. Turn off the phone, take out the SIM card, clean the metal contacts of the SIM card with an eraser, and then put the phone back on and try to turn it on. If possible, try replacing a SIM card (excluding the SIM card that is aged or damaged).

5. Check whether the mobile phone is installed with third-party software such as Security Guard or Calend, and try to uninstall it.

6. Back up your phone's data (book, SMS, multi-file, etc.) and restore your phone's factory settings.

If the problem persists, we recommend that you take your phone to the nearest Samsung service center for testing and repair.

Hello dear Samsung users:

It is recommended that you apply for "appointment to store" on Samsung's official website to enjoy priority repair services

After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.

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Is the landlord's mobile phone good? It's the same question with mine Ask for advice.

Hello: According to your description, you can try the following:

2) It is recommended to take out the SIM card, use an eraser to wipe the chip of the SIM, and then reinsert the SIM card into the phone.

3) It is recommended to change another SIM card to try.

5) It is recommended that you try a firmware upgrade.

To save you time waiting at the service center, please use the Samsung repair appointment request.

Depending on your description, you can try the following:

1.Turn the computer back on and off.

3.Test whether this is the case in different geographical locations to preliminarily rule out network coverage.

4.If possible, change the SIM card for testing.

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

6.(Back up data: **book, SMS, multi**, etc.), it is recommended that you restore the factory settings.

If it still can't be solved after factory reset, it is recommended to send the phone to the nearest Samsung service center for testing and further processing. For specific service center inquiries, please click:

1. If the opportunity allows; Restart the wireless router; See if you can solve the problem.

2. In Make sure your phone is within the wireless network coverage range, click "Scan" to refresh the wireless network list.

3. Connect the computer to the router through the network cable and log in to the management interface of the router.

4. In Wireless Settings - Basic Settings, the channel is between 1 and 11, the wireless function is turned on, and the router is restarted.

1. The unsuccessful wireless connection may be caused by incorrect settings of wireless password and other parameters. A new key entry attempt.

2. Please make sure that the wireless router does not have the wireless MAC address filtering function enabled; Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function.

Three: What should I do if the wireless connection is successful and I can't open the web page?

First of all, check whether the router is connected to the external network, log in to the router management interface, and look at the running status - WAN port status, if it is 0, please follow the router quick setup guide to set it again.

2. If the computer can access the Internet, the mobile phone cannot; Check whether the SSID number of the wireless router is in Chinese; If it is changed to letters and numbers; Mobile phones sometimes can't effectively recognize Chinese:

3. If the above cannot be solved: we set a static IP for the mobile phone

4. The wireless router supports between 15-20 wireless devices; When the maximum number of connected wireless devices is exceeded, even though you are connected to Wi-Fi; But you're wireless; At this time, you can unplug the wireless router; Turn on the wireless router after 10 minutes.

Hello dear Samsung users:

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