What if iPhone6 prompts that cellular mobile data network cannot be activated?

You can restore the network by restoring the network settings:

1, click Settings to enter Settings;

2. Slide down, select General in the setting interface, and click;

3. Slide down, select the recovery option in the general interface, and click;

4. Select the recovery network and click;

5. After the recovery is completed, select the cellular mobile network and restart the cellular mobile data;

6. Check whether 3G or 4G network is displayed in the upper left corner, indicating that the network is in normal use. If it still doesn't work, it is recommended to contact after-sales service for testing and maintenance.