Data contract softlocked - yesterday via *111*502# had 2.3Gb

Hi

I have a data contract with vodacom, and my account was topped up (if that's the right term) automatically on 1st of the month with 2.3 Gb.
Last night I checked *111*502# and still had ~2Gb data left.
3G watchdog and android are not reporting any abnormal data usage, but this morning I was softlocked.
Can someone please assist in resolving this?

Thanks