Dreambox 900 UHD & Newnigma image info

I have Dreambox 900 and I want some information.

1. How can I spend the newnigma the Dreambox 900 and more software to install?
2.Sees the newnigma everyday images, if pass after another lost settings of antenna and channels?
3.You know diseqc1.1 if it works because I have 16lnb and if it supports wifi with Dreambox wifi mini USB stick;
4.The newnigma image is ota updated after the first time?

Thank you very much.

How can I see the time in the dm900 with newnigma to stand by?

Thanks.