TataSky HD STB software update in 4 steps

1. When the STB is on, switch off from the power-source.
2. Switch on the STB directly from power-source.
3. Press “back” button twice from remote when “please wait initializing” message comes to the screen.
4. Immediately, press 2465 from remote and software will start downloading. (keep the STB on till it reboots twice)

Use the above instructions in your own risk. I am not responsible if you make your STB a brick.