Which phones support Dual 4G/VoLTE?
How to switch 4G to LTE?
Can I set Only 4G on my phone?
7. How to restrict the apps to use data in the background?
8. What are the tips on saving data?
How to turn off Data Monitor?
How to set Network mode, like 4G(preferred), on my phone?
How to change the network mode?
Where can I find the data usage details?
Where can I find the available network data on my phone?
How to restrict data network connection of the app?
Can I turn off the data network connection of the built-in apps?
How to set Data package?
6. How to close the data network?
14. How to set the reminder that the data is not sufficient?