Slow to non existent internet connection

I've been having none or slow connection since the 14th of July, I've sent support requests twice and also sent a DM on Twitter they promised to get back to me and no one did, The connection is poor to say the least and am working from home it's really disappointing because I've been with them for almost a year and never experienced ****y connection up until recently.

When I ping www.rain.co.za I get packet looses and 1mbps download speed if am lucky, on the Twitter DM an auto-reply suggested I move my device to another location. However my router has been on the same spot for almost a year with no problems. I did try to move it another spot yet am still getting no joy, I went as far putting the SIM card to my phone and move around that didn't help at all