BROOOO im confused about can or cannot by pass quota for YES 4G broadband for prepaid and postpaid..

1. if use YES PREPAID can we still use internet after credit is finish?? because ussualy after credit finish , internet also la.. so is it possible to use this VPN for YES PREPAID for quota??

2. if cannot then how about YES POSTPAID... after quota finish still can use internet like normal speed??