Apple today released tvOS 9.1, the first major update to the tvOS operating system that runs on the fourth-generation Apple TV. tvOS 9.1 has been in testing since November 3, just a few days after the final version of tvOS was released alongside the new Apple TV in October.

tvOS 9.1 can be downloaded over-the-air through the Settings app on the fourth-generation Apple TV by going to System --> Software Update.



tvOS 9.1 betas introduced support for Siri search for Apple Music, allowing fourth-generation Apple TV owners to ask Siri to play content from Apple Music. Siri for Apple Music on the Apple TV works similarly to Siri for Apple Music on iOS devices, enabling queries like "What was the top song in 1980?" or "Play Adele's latest single." Itdeveloping world. According to WHO, in Southeast Asia and Africa, diarrhoea is responsible for as much as 8.5% and 7.7% of all deaths respectively. In Africa, it has been estimated that every child has five episodes of diarrhoea per year and that 800,000 children die each year from diarrhoea and dehydration. Diarrhoea is the second biggest killer of children in Nigeria, responsible for about 16% of child\'s death every year. Nigeria was estimated to have a total number of annual child deaths due to diarrhoea to be 151,700 (WHO, 2009). Diarrhoea was the most commonly reported cases of waterborne infection in the three towns in North Western Nigeria. In Nigeria, contaminations of drinking water with pathogens have also been reported in several towns \[[@cit0004], [@cit0005]\]. The infectious agents