Our SOP's on this changed last year. On our fleet (B757-200/-300) We used to rely on auto speedbrake. However following reccomendation from Boeing, following an incident with Airtours I think where it did not deploy, the SOP was changed. It is now....... Simultaneously close thrust levers (disengage autothrottle if required) apply max manual brakes or verify operation of RTO autobrakes. Raise speedbrake lever. Apply max reverse thrust consistent with conditions.
Eff Oh.