Apologies for the connection problems! Also I'm sorry for the lack of support that you've received so far, I'm going to do my best to help.
Your upstream power levels are out of range, while this might not be responsible for the speed issues, it's important to get this resolved before we move forward with our investigations. I'll send you a PM (purple envelope, top right) with the engineer appointment info.
Catch you soon,
Tech fan? Have you read our Digital life blog yet? Check it out