******* by Telkom mobile

I'm Joseph and have been using the 8ta Telkom mobile for 3 yrs and never had a problem until for the past 2 days. When I buy a recharge voucher for 100 and convert it to data 1Gig I get another 1gig for night surfer that starts at 12 midnight till 7am. Currently I have 6gig night surfer that I normally use it around 5am when I wake up. Yesterday when I was using it I received a notification that I'm only left with 400mb on my normal day to day bundles. So it was not using the night surfer but using my daily data. Today the same problem again. Today it was worse cause it used my remaining normal 400 remaining data and send me a notification that my data has been paused because of insufficient data, while I'm sitting with 6gig that was supposed to be the ones to perform for my night suffer. I called their customers care and I spoke to the lady by the name of Cindy. Who told me that maybe I didn't have network coverage. So the phone will use normal data than night surfe. This doesn't make sense cause if I don't have network both night and day surfer will not be working, but in this case I'm surprised that the network used all of my data while the was no network. This is a total ******* . Day light roberry. I need my data that was used please!!!!