Did you intend to post in the Firefox desktop support forum or the Firefox for Android support forum?

What is a sony BDP-S3100? Google shows that it is a Blu-ray disc player with Super Wi-Fi. How it that device related to Firefox support?

i cant download anything not even games. i was told to get firefox it would help with plugins and downloads

You didn't answer my questions!

You posted here from an armv6 mobile device using an older Opera browser about a Blu-Ray disc player - how does your question relate to the Firefox web browser for desktops / laptops??

i use the blu-ray as my laptop i get on the web and download music,movies,and games.somthing happen now i cant download.one site told me i need to reload my adobe flash and reload my firefox.but how can i if i cant download

I'm gonna move this over to the Firefox Mobile support queue, now that we know you are wanting to install Firefox for Android on that device and that's what you need help with.