Hi to add second Portal (server) with different service providers, and how to switch between them. Thanks,

I didn't use my MAG box for the last 2 months and now when I turn it on, first it ask me about the UI and PW which I assumed are the donation no, but then it stuck on the loading page (yellow bar), and when I turn it off, it doesn't turn on unless if I unplug the power cord and re-plug, please...

Is there 2 models MAG250/254 and MAG254/255? I am trying to buy the most recent one and the seller saying it is a MAG254.

I am using the Android STB with a mouse in an Android TV box, and the problem is when I move from one channel to another using the UP and Down arrows, I can’t pass a channel without being played, for example, if I am on channel 50 and I want to move to channel 55, when moving channel 51 starts...