Sony XBR-55X900E turns off randomly

[zomi]

Re: Sony XBR-55X900E turns off randomly

https://community.sony.co.uk/t5/andr...e/td-p/2091088

maybe ?

[norayr]

Re: Sony XBR-55X900E turns off randomly

https://community.sony.co.uk/t5/andr...e/td-p/2091088

maybe ?

What I know from one technician, that first you need to install null firmware on TV, then on top of that you can install whichever version you want. But NULL-able firmware is not accessible for general public.