no way im sending only an explaination letter after i read the post you linked before, i spoke with my bank and everything will be ready tomorrowYou can write few words regarding the source of income and your savings. But, Attached documents will satisfy them more than any explanation. So, Try to attach supporting documents as much as possible.
Have you paid any tuition fee in advance? Who is sponsoring your studies and living cost parents or yourself?
i still havent paid any tuition fees and im sponsoring myself