Originally Posted by
beachfan
If I understand the updates correctly, there are no plans to further upgrade the remaining 77Ws.
There is a plan for the sub-fleet B77W in COI config. No very concrete plan for the rest of the B77W fleet (the ones with no P and non-COI), but I am 100% sure that they will be retrofitted, while it is very uncertain for the A380 fleet. See the wiki for more details.