Originally Posted by
skywardhunter
It depends, I think they do use all 4 when needed, if one of the inboard engines popped they'd almost certainly use the outboard on that side, the brakes in the wheels are like moped brakes in the A380
Reverse thrust only on the two inboard engines on all A380s. Outboard ones were deemed to increase risk of FOD, and added weight. Brakes alone can stop it if required.