Still waiting for courier....time on phone will never be gotten back

Dear Vodacom. I write this as I've gotten to a point after trying to have this resolved without any results. The offer of a wifi router with more data was appealing so I agreed and received the package on the 2nd June 2017. After trying it out over the weekend, it was found that it will not work for my application and proceeded to cancel it timeously as per their contract if unsatisfactory. This was cancelled on the 6th of June by calling 111 @ 16:50 for 7mins58secs. I followed up on the device not having been collected on the 10th June on 114 @ 19:14 for 1min57 and was told to speak to cancellations. Called ********** @ 19:19 for 0min55secs and 19:20 for 0min30secs and realised I needed to call the following day. Called ********** on 11th July @ 11:39 for 9 mins34secs with the consultant talking to management and said it would be collected on the 14th July, which did not happen. Called 114 on the 3rd of August @ 14:39 for 8mins54secs and was told to call Mondo Mobile directly at my cost. Dialled 086 123 666 on 3rd August @ 14:50 for 10mins35secs and spoke to Yanpan who confirmed no cancellation was received and that Vodacom needed to arrange the collection. Called ********** on 3rd August @ 15:01 for 24mins39secs and spoke to Thuli who said I need to speak to after sales. Was transfered to Thulani who informed me no cancellation was made and he would arrange the collection, which was not done. Called ********** on 8th August @ 14:34 for 20mins9secs and spoke to Seabonga who said I needed to speak to the after sales department. Spoke with Naomi who confirmed the contract had still not been cancelled, checked my call from the 6th of June and confirmed with Mangement it would be collected. She was uncertain if RAM would come and collect but said it will be collected and then I should call after 3 days to do the cancellation and refund. It is now the 22nd of August and no courier has arrived.Currently you've billed me for June and July with a connection fee which I expect a full refund. You've also sent my latest statement showing you are going to bill me for August. I've also used my own airtime only to get told it's Vodacom's problem and spent 1hour25minutes11secs trying to sort out something that is supposed to have been effortless. You can contact me on ********** 448 or my alternative number of ********** 664. I've been a client now for over 17 years, please sort this out with URGENCY and refund accordingly. Regards, Brett