UNAUTHORISED DEBIT ORDER

I had signed up for Fibre with Afrihost, but as I found out from my existing service provider that the service would not be canceled by 1st of May like I'd thought I decided to put pause on installing the service so therefore I informed Afrihost via WhatsApp and called Octotel and I was assured I would not get debited until AFTER the activation of the Fibre, BUT LO AND BEHOLD MY BANK ACCOUNT WAS DEBITED FOR THE DELIVERY OF A DEVICE I HAVE NOT YET RECEIVED. ALSSSSO MY ACCOUNT WAS DEBITED DESPITE ME NOT VERIFYING MY BANK ACCOUNT DETAILS AND WHEN YOU SIGN UP IT SPECIFICALLY SAYS THAT YOU CAN ONLY GET DEBITED AFTER VERIFYING YOUR BANK ACCOUNT DETAILS WHICH TURNED OUT TO BE A OUTRIGHT LIE. WHAT WOULD'VE HAPPENED IF I HADN'T HAD MONEY IN MY ACCOUNT BECAUSE IT'S NOT EVEN MY PAYDATE YET???!!! HOW DO YOU JUST DEBIT AN ACCOUNT WITHOUT FIRSTLY VERIFYING IT AND SECONDLY CONFIRMING WHAT THE MONTHLY DEBIT ORDER DATE SHOULD BE??? AN UNSUCCESSFUL DEBIT WOULD HAVE REFLECTED BADLY ON MY CREDIT SCORING!!! I WANT MY MONEY BACK IMMEDIATELY AND IF THIS IS HOW YOU CONDUCT BUSINESS CANCEL MY ORDER TO - LIES AND ISSUES BEFORE I'VE EVEN BEEN PROVIDED ANY SERVICE FROM YOU !!!! I'LL STICK WITH MY EXISTING SERVICE PROVIDER AS I'VE NEVER HAD SUCH ISSUES WITH THEM!!!!!!!!!!!!!!!!!!!!