@Rozina1982 the pucks are designed to go into standby after roughly 15 minutes with no signal but should not do so if streaming. From your description you may have a dodgy unit which Sky should swap out if you ask them.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
