Yes, we are sure. These information come from our distributor who contacted Lenovo directly.
EDIT: 30.03:
We are very sorry for the mistake. This mobile phone has actually only 2GB RAM. Every customer that has been influenced by this wrong information can contact us through digitec@digitec.ch to resolve this problem.
The best thing to do is to contact the customer service. I don't think anyone in the community can give you the right information. See also https://www.digitec.ch/de...
You have to place the order by yourself with pickup in lausanne. So it will be automatically reserved for you. You can check the availbility on the green point.
Both slots are actively available. You can therefore receive calls on both SIM cards but you cannot, for example, be connected to the Internet with both cards at the same time. You can define in the settings which card should be responsible for Internet access.