people bro that is not software update......that is an advertisement in epg right side box.......
after du end date the defalult airtel advertisement apper in epg right side box......
after 5 days again started du dates....
for example...... between starting and ending du date airtel startup scrren contain advertisement.....after du end dates airtel startup scrren contain default airtel logo...
so finally it is not a software update.....:lol