Download Viber App for your NEC smartphones and tablets and enjoy text messaging with your friends. Viber for Android 2.2, Android 2.3, Android 4.0, Android 4.1, Viber for Android 4.2, Android 4.3, Android 4.4 . Download Viber App for your NEC Android device and enjoy text messaging with your friends. Viber App integrates with the Android OS to give you the best experience and performance. Viber syncs with your contacts, detecting which ones already have Viber App. Simply select a contact and talk for free.