After using Yes 5G, feedbacks:

Pros

1. Huge data quota is good. can watch video without concern.
2. Get extra data when spend with Shopee

Cons

1. Coverage not good in Penang is okay. However, always no line inside malls. Hence, you cant use e wallet.
2. Outside of Mall. certain area got lines, certain area no line.

Conclusion.

Porting out from Yes. Because no line in mall especially basement supermarket is troublesom because totally cannot use e wallet.