Note3 9008, after connecting wifi, the mobile phone can't make calls and send and receive text messages. What should I do? Is there something wrong with the hardware?

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

1) It is suggested to change the network mode: Settings-More networks-Mobile networks-Network operators re-select search networks.

2) It is recommended to take out the SIM card, wipe the SIM chip with an eraser, and then re-insert the SIM card into the mobile phone.

3) It is recommended to replace other SIM cards as much as possible.

4) If it still exists, it is recommended that you restore the machine to the factory settings and back up important data such as phone book, video and pictures in advance).

5) It is recommended that you try to upgrade the firmware.

If there are still problems through the above methods, please bring the three-guarantee certificate and the machine to the Samsung service center, and the engineer will check and deal with the machine. Please click the following link to find out the specific location of Samsung Service Center:

. Samsung . com/support/service locations . ASP

It is recommended that you apply for "booking to the store" in Samsung official website to enjoy priority maintenance service:

/reservation

If you have any comments, suggestions and comments, please click: support.samsung.com.cn/survey.