MTN is the worst

I upgraded my contract hoping that I get the "Option 2" in their Terms and Conditions which allows me to pay current phone untill the end of the contract then start paying for the new device. However they did "Option 1" which I have to pay the rest of the phone off at once plus the monthly amount of the new device(Which I can't afford. The link to the Terms and Conditions: https://www.mtn.co.za/home/terms-and-conditions/content/early-upgrade-terms-and-conditions?s=