Dear Vodafone Support,
I am using a FRITZ!Box 6670 Cable. For some time now, the internet speed has been dropping suddenly and severely at irregular intervals. When this happens, video calls, streaming, and normal web browsing barely work properly. In some cases, only very low-bandwidth services such as WhatsApp messages still work. The FRITZ!Box diagnostics and router interface do not show any obvious fault. There is no outage visible in the router. After restarting the FRITZ!Box, the full bandwidth is restored immediately. However, the problem returns again after a few hours.
As this issue happens repeatedly and a restart only resolves it temporarily, I kindly ask you to carry out a full check of my connection and modem/router.
XXX
I would appreciate a prompt response and resolution of this issue.
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