Can I install any Free-To-Air firmwear or softwear in Dishtv's Dish+ STB ?

[Toto]

I have 2 STB.
1. PLANET DVB-S/MPEG-2 STB (FTA)
2. DISHTV's DISH+ Aryon STB

My question is :

Q:- Can I install any Free-To-Air firmwear or softwear in Dishtv's Dish+ STB to watch FTA channels ?

Help me...

 

[abdulla]

it is not possible

 

[Sarkar]

Most probably bootloader is locked