Telkom bad service

I upgraded my Telkom fibre line from 10mbs to 20mbs in Jan 2020, I never received any new router, when I enquired this year I was told they out of stock. I phoned from Feb to Apr 2021, they even escalated, up to date no response. I cant wait for my contract to run out so I can change service provider as I am stuck with my first router since I joined Telkom, despite upgrades.