Mweb Bad Customer Service

Account paid up I have trying to call this company since last week R400 Airtime now gone a man called SAM Ngidi promised to call me I've never received that call their lines are not working at times I have been without a service I called today told them I don't have enough Airtime due to calling everyday gave them my details to call me back nothing this is not the 1stime their customer service is bad no social media assistance nothing