HZ
Hendrik Z

1 reviews | Active since May 2026

13 May 2026, 16:14

Paid Immediately, Ignored Completely – The Worst ISP Experience I’ve Ever Had

Absolutely shocking service from Supersonic.

I placed my order on 2 May, paid the upfront fee immediately, and since then I have received virtually no communication, no installation date, no proper updates, and no accountability from anyone in the company.

Every single interaction gives the exact same robotic response: “10–14 days.” No one can explain what is happening, no one follows up, and no one takes ownership of the issue. I have sent numerous emails and attempted multiple follow-ups, yet not a single person has contacted me to provide clarity or assistance.

What makes this even worse is that taking payment was the only thing they managed to do efficiently. The moment money was paid, customer service completely disappeared.

At this stage I have already requested cancellation and a refund because I have lost all confidence in Supersonic’s ability to deliver any service at all — and even THAT cannot be actioned properly.

I have never experienced service this poor from an ISP. No communication, no urgency, no customer care, and absolutely no transparency.

If you are looking for an ISP where you pay upfront and then get ignored while nobody can tell you when or if your service will even be installed, then Supersonic is the perfect choice.

Avoid at all costs.

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