Every cafe has wifi, everywhere has 4G ... As the 4.0 trend develops, smartphone users above all need a tool to check the internet speed accurately and effectively. Along with Viettel Store, we have reviewed 7 absolute internet speed test applications that should not be missed.
Wishing to bring the best user experience, Facebook recently tested a black version of Facebook Messenger that saves battery life and protects eyes when used at night. So how to install Facebook Messenger eye protection version to try it out? Follow the steps below.