Money back

I upgraded with a laptop 2015 with Vodacom 2016 The charging block got broken and I took it to vodashop in brits for repair in June when I went there to check when will I receive it back was told they need proof of purchase I then informed vodacom and they sent the proof of purchase now the laptop is not back and was told to pay 400 in order to get it back from Johannesburg by the manager at brits it's been 14 months now paying a laptop I don't have can you help me to get my money back as now I am told I have an iPhone not a laptop even last year I paid them cash and they debited twice claiming the can't trace the money