There's probably a queue by now in some areas. BT (

) didn't think anyone would really bother so there's no staff pre-allocated to dealing with a short surge.
Assuming three minutes clerical time and 30-60 seconds on-screen time, plus a couple of sips of strong coffee to help the over-stressed operative cope with the pressure, we are looking at up to 5 minutes per upgrade. Say 100 in the queue, plusmeal and toilet breaks, that's 11 person-hours. Plus the Grand National, three days.

.
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost.
Internet connection - Plusnet Value Fibre.
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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