What are the chances of my upload speed being a constant 2.8 -2.9 Mbps for four weeks, when previously they had been between 20-24Mbps. Even stranger, because I do keep records, I know almost to the minute when it changed 9th Jan 2022 at 05:52PM. 18 minutes earlier it was the normal throughput of 22.1Mbps. We also have three other devices (mobile phones) that now also provide a return of 2.9Mbps upload. I have not kept a record of their throughput before today. Has anyone else experienced similar?