CELL C USELESS MOBILE PROVIDER

My blood boiling just to think , my contract with this company still ongoing until next year. Sick of them, my phone is permanently an is issue with data and I've got unlimited account. My phone either no reception constantly the same issue daily on the same times. When at work /home data off or phone needs to be restarted to even get reception. CELL C I'M SICK AND TIRED OF YOUR NO SERVICE. YOU WILL NOT AGAIN ANY CONTRACTS FROM ME OR MY COMPANY. YOUR ARE USELESS.