For now, buying crypto with bank transfers is only supported for EU and UK residents.
SEPA and SEPA Instant are used only for EUR-denominated transactions in SEPA countries. UK Faster Payments are used only in GBP-denominated transactions in the UK. SEPA transfers are processed within 1 to 3 working days a UK Faster Payments are processed within 1 working day.
If you live outside of Europe, you will need to use one of the other payment methods: debit/credit card, Google Pay or Samsung Pay.