1. WL500gp v1 (1.9.2.7-10) -> RT-N16 (1.9.2.7-rtn-r3849) -> RT-AC66U (3.0.0.4.374.4422)
2. RT-N16 (1.9.2.7-rtn-r3893) -> RT-AC66U (3.0.0.4.374.979) -> RT-AC68U (3.0.0.4.374.4422) + WD TV Live Hub/Gen3
3. RT-N15U (1.9.2.7-rtn-r3926) + RT-N12C1 (7.1.1.1.32)