How can I get refund

I make a payment of 2000naira via bank transfer on my mtn app why I haven’t received my data yet or refund ? It is been 24hours

I initially attempted buy data from my self earlier today 9th April so I made a mistake in typing my number I typed an invalid number (08149049315) instead of 08149039315...

Tuesdays offer

I recharge 10,000 instead of 1...