How do I install a custom rom on my phone?

[AC Question]

Installling custom rom on my phone

I have a Xolo x900(orange san diego) with android 4.0.4 . I would like to upgrade it to lollipop or Marshmallow. how do i do it ? also tell me how to root my phone

 

[Golfdriver97]

Re: Installling custom rom on my phone

Welcome to the forums. I couldn't find much for installing a custom ROM, but I did find this for rooting: How to root xolo x900