In June 2016, cars 7501-7510 and 7928 had their route signs modified with green circle/red diamond LED signs and a LED number display, similar to those on the R62As originally used on the 7 (and currently on the 6).
In June 2016, cars 7501-7510 and 7928 had their destination signs modified with green circle/red diamond LED lights, indicating whether a train is local or express. These lights are very similar to those on the R62As originally used on the 7 (and currently on the 6).