How to change name or profile picture in BOSS revolution calling app?

post revolution calling app so how to change your name or profile picture so just tap in top left and then tap on my profile and here you can change your name easily and then you can just tap here to change your profile picture you can just take a photo upload upload a photo from from your camera roll but it is not possible to change number if you want to change number it's not possible you will need to create a new account