Jio 4g voice is a app that we can call without volte in the phone.This app is founded by jio.
Jio 4g voice app we can use only with jio sim.It takes very slow connection to running.
Its design is very good and this app is in green color.and from inside it is colourful and keep different type of colour in call logs and detail.
It has many feature like swiping delete, online calling and without volte calling.
You can also do HD videocalling in slow connection.you can HD 4g voice calling and contain many feature like messenging also.
It is a very very usefulnes for who has non volte phone or LTE phone it is a very usefullnes for me and you if you are using 4g phone