@Sunita1 thecred LOS light means there is no optical signal being received by the ONT. Quickly check the green fibre connector under the ONT has not come loose. If it hasn't and the service checker in the My Sky app is not telling you Sky are aware of an issue affecting your line call Sky and report the fault which requires action by the netwirk operator.
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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
