upgraded **********ly then converted to prepaid

have 3g bundle with additional sim. **********ly upgraded by retentions from 3g data bundle to iphone 6 on 22/1/2015. local vodacom shop logged a call ..no reference except date and consultant name . 23/1/2015 order invoiced despite call logged previous day!!!! finally 29/1 upgrade reversed and contract set back to expiry date (running month to month)reference ***. then suddenly a sms 23/1 my change to prepaid will be on 31/1 (no request ever. i need the billing to claim from work) another reference s3-8u86e-esvu. i query with shop to be told dont worry not prepaid all ok.. 31/1 sms saying conversion to prepaid complete and my data bundle deactivated. back to shop on 1/2 new call s3-8wa20-obzuk gets logged. 2/2 sms stating query handed to cic.wait patiently till yesterday new call s3-8xj2f-fryha is logged again. in interim i can no longer work remotely as that what 3g is for . 2nd sim is lost on system. my accumulated data is gone . no assistance or help from vodacom who just dont seem to care about ***** and customer satisfaction. i now have to travel to work this weekend as no 3g. these guys are disgusting terrible horrible nasty. what must i do to get sorted again