Samsung i809 Telecom network connection is not available

Hello, first of all, thank you for your support to China Telecom. I hope the following can help you, please restart the test of your mobile phone, if you still can't connect to the network, please change the mobile phone card to test, if the fault is still there, please restore the factory value of the mobile phone test.

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I hope the above reply will be helpful to you. Thank you.

Take a look at whether the mobile phone card is put away, and if not, restore the next appearance settings.

Hello dear Samsung users:

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

Comments, suggestions, complaints, please click:

I've been working on this problem for a long time, and the home is automatically assigned IP, so there is no such problem, but in the company, because it is a fixed IP, so I set up the IP, and the DNS is set to a line (because you can set a line on the computer), and then I have been trying, or changing the IP, looking for information on the Internet, but it doesn't work. Finally I set the second line of DNS as well, and finally this problem was solved.

Hello dear Samsung users:

1.The top curtain moves data on, turn off the Wi-Fi switch.

2.Consult the operator to see if the data traffic service is temporarily shut down.

3.If possible, change to a different SIM card for testing.

5.Try to power on and off again.

6.Update the system version of the phone to see if it improves.

7.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.

If the fault persists, it is recommended that you send your phone to the nearest Samsung service center for testing and repair.

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 have made an appointment on time.

Comments, suggestions, complaints, please click:

Settings – Wireless & Network – Access Point Name – CMNET

First of all, confirm that the above has not been disturbed, I bought the reputation to dismantle this machine for a month, and it will not be quietly surfed on the Internet, and it is not easy to find out

And then if it doesn't work, either restart or you're in arrears.

My phone is also Samsung's, too, and the best way to do it is to turn it off and start over.

Go to the "Sharp Forum" where the masters gather 、、、

1. Swipe open the on-screen notification bar to see if the data connection is green and not open. and turn off Wi-Fi

3,, Try to replace other SIM cards that can be used normally.

4. After your mobile phone is in arrears, you have to turn it on again to use mobile data.

5. When you choose to use the data network in the SIM card manager, you need to select the card that has been activated for data.

7. Backup phone data (**book, SMS information, multi** data, etc.) and restore your phone to factory settings: Settings - Privacy - Factory Reset.

If the problem persists, it is recommended that you bring the three-pack voucher and send your phone to the nearest Samsung service center for testing.