Quality 0

Quality 0 indicates an unstable connection, with packet loss and/or erratic minimum throughput. Try power-cycling your modem/router, and if it persists you may need to get your ISP to fix the issue.
 
Quality 0 indicates an unstable connection, with packet loss and/or erratic minimum throughput. Try power-cycling your modem/router, and if it persists you may need to get your ISP to fix the issue.
the provider says that everything is fine with the line
 
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