Fritz!Box 7530 and 7490 as Modem+Router combo for 35b Supervectoring

[fightforlife]

Did anyone ever get the full 250mbit via supervectoring out of this box?
I am curently struggeling to get the full speed.

Fritzbox 7520/7530 not full VDSL2 Supervectoring capable?

Hello OpenWRT Community, I recently bought a fritzbox 7520 and repaced the original firmware with the latest snapshot openwrt build. I am using on a 250/40 Mbits VDSL2 supervectoring line. The setup was really easy, since the dsl firmware is now included in the builds. and connection was established on frist try, even with ds-lite. I have the problem that the line is syncing at the correct high speeds for supervectoring, but doing multiple speedtests via GBE Ethernet, the download is capped …