unhappy with a vodacom service

<p>my friend wanted to do a sim swap from micro sim to nano coz she has upgraded to samsung s7,she went to the voda world in midrand on the 23rd and a lady who assisted promised it would take 4 hours but no joy,on the 26th she phoned vodacom and was advised that her sim swap was cancelled,she then went to the liberty midlands mall vodashop in pmb on 27 and they tried assisting and promised theyd get some IT guys to override her account and activate sim swap but as i write this review her sim has not be swapped to the Nano......how difficult can a sim swap be??? i have included her number below for contact</p>