Updates to the R-Link 2 have never been easy to follow. At first only the garage could do updates and then 2 years later the owners could start doing it on their own via the β‘ easy-connect.renault.com website.
Generally a system in a software branch (v2, v3, v7, v8 and V9) remained in its branch. Renault has decided to change this and this is good news for users. Indeed it is now possible to switch from the v2 branch to the v7 branch! It is possible for the Megane IV, Kadjar, Talisman and Espace V.
In concrete terms, people between versions v2.2.x.x.x (e. g. v2.2.17.803) will switch to version 7.0.24.16x. This version brings features such as Bluetooth enhancements, shortcuts on the top of the screen and bug fixes ( β‘ see the article about the v7)
EDIT (oct-2019): it is now possible to update from v3 to v7.
To do this update you must go to a Renault dealer. The update procedure for them seems slightly different to usual, it is necessary for the garage to consult the new procedure in Actis solution nΒ°49605. The update sould not be free of charge. I also recommend going to a Renault dealer that has already encountered this case and not to a small garage.
It will then be possible to activate Android Auto using the unofficial method described β‘ here. However, as the Apple Carplay chip is missing, it will not be possible to activate it.