Vodacom you guys are pathetic

Vodacom you guys are pathetic how can you lock a number because you want to upgrade it apparently the number is old , my sister is 9 and I bought the phone in December for my sister for Christmas she walks home after school how the HELL am I suppose to get hold of her when you have to lock a ****en call and it takes 24 hours , how must I know if she got home save or not and all you can say is EH EH EH SORRY MAM SORRY , just fix the problem ASAP because on your records you suppose to see the phone number is 2 months old and it's not ****en inactive ,FIX IT!!!