The newly purchased phone cannot use the data network on the second day

2. Go to nubia electrician, network traffic, firewall, check whether the Internet access is restricted;

3. The above situation is normal, it is recommended that you back up your personal information, double clear, if root, remove the root card to the latest version of the system and then try the specific card swiping method as follows: (1) Please back up contacts, text messages, software and other data.

3) Press the power button and the "volume down button" at the same time, and release the power button after powering on to enter recovery mode.

4) Select "Wipe Data Factory Reset" and then "Yes --Delete All User Data".

5) Go back to the main interface, select [Wipe Cache Partition] and then select [yes --Wipe Cache].

6) Go back to the main interface, select [Install Zip from SDCARD] and then [Choose Zip from SDCARD], then select the ROM package you put into the memory card

7) Select Yes --Install.

8) Wait for the flashing to complete, then go back to the parent menu and select [Reboot System Now] - [No].

3.If it still can't solve your problem, please bring the relevant products to Nubia after-sales, Nubia after-sales provides the same warranty after-sales policy of root and flash. Let you experience third-party ROMs without worries while flashing your computer.

After-sales outlets inquiry.

If you need help, please contact customer service at 400-700-6600. You can also return to the factory for testing and processing, please call 400-700-6600 customer service for specific return matters**.

hi！Hello, there are several situations that will cause the possibility of not being able to connect to the Internet: 1. First of all, make sure that the mobile phone has a phone bill, 2. Turn off the mobile phone and restart it.

3 There may be data connection parameters wrong Try to back up your phone's data to your computer, and then restore your phone to factory settings to have a try.

4 In the environment of poor network nearby, the mobile phone will frequently search for available networks, it is recommended that you set the network standard to the corresponding system of the operator in Settings --More--Mobile Network. If the phone system is not the latest version, it is recommended to upgrade to the latest version.

If none of the above methods can solve the problem, you can choose to contact the nearest Nubia official after-sales customer service center (click on the query address) to test and repair your mobile phone.

Hello and welcome to the Samsung Digital Services platform.