Can I change my data to airtime

Trying to get airtime and data this morning, someone paid N2,000 for airtime and N2,500 for data but the system used th two payments for data. Please reverse that of N2000 to...

I mistakenly bought a data of 1.5GB with 1000naira airtime and I want to change it back to airtime

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I subscribed for the 5000 naira mtn hot deals combo package on my MTN app through Airtime, I was debited but was not given the data. What is the problem and what should I...