Chat - Call - Text

Apple offers many unique features for iOS users that other operating systems do not have, typically iMessage. This feature allows free and instant messaging between iOS devices.

4G services are gradually being deployed widely by the network so that users can conduct registration and trial. If your phone is eligible for 4G support and would like to

If you intend to use 4G network with fast speed of data download, you should not miss the opportunity when Viettel operator is changing SIM 4G for free.

Currently, operators have implemented the program to exchange 4G sim for free. So what is 4G network and what's different from 2G and 3G?

If you own iOS devices, you can immediately use the free messaging feature with iMessage on iPhone or iPad. Through the Internet that users connect to, we can send messages

This is a free way to record calls on your iPhone with an application from the big Google.