To repair the phone that he helped me to restore the factory set up he said that for the telecommunications card on the line but for the change or not how to do
Hello, first of all thank you for your support for China Telecom.
According to your description, do you use a telecommunications card online? Huawei C8813d is a telecommunications custom machine, can only use the telecommunications card online, mobile Unicom card can not call the Internet can only send text messages.
If you want to check the bill, pay calls please visit Anhui Telecom online business hall. wish you a happy life!
I hope my answer to help you, can get your adoption!
Hello, first of all thank you for your support for China Telecom. According to your description,
We recommend that you open the data switch and click Settings - More Settings - Mobile Network - Access Point Name - Menu Key - Reset to default settings. that's it. China Telecom 4G official business! "Speed 100 trillion, Chang enjoy the world" Tianyi 4G share a better life, more exciting content, please pay attention to Anhui Telecom online business hall. Please pay attention to Anhui Telecom online business hall and the official microblogging announced the latest promotions. If you have any questions, please continue to ask. I wish you a happy life, thank you!
If the phone card does not have arrears, it is advisable to try the following:
1. Restart the phone.
2. After removing the SIM card, clean the SIM contact and try again after reinserting it.
3. Replace the other SIM card attempts.
4. If the problem persists, it is recommended to back up the data and then restore the factory settings (set - reset - restore factory settings). It is recommended to restore the factory settings when "formatting the USB memory" is not checked and checked. All the data will be lost.
5. If the above problems still exist through the above, please carry a good phone, purchase invoices, repair card to send the brand service center by the professionals for the mobile phone for testing.
