Ask one question first: Which method is easiest for you?
At night in Dhaka, many choose bKash because it's familiar and fast, and those who use Nagad or Rocket more often usually want to complete in one step from their own account.
The mn77 Guide's main point is to start with a small amount; it helps confirm that name, number, and reference are correct by checking once
If mobile data is weak, progressing step by step will help mn77 App If you read about it first, depositing next time becomes easier
