VLC for Android 3.X documentation · Primary-source explanation; examples are illustrative. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Separate source quality from conversion choices
The VLC for Android 3.X casting documentation exposes a conversion quality choice for a remote screen. That is a setting in the casting workflow, not evidence that the original video acquired extra captured detail. Before increasing it to fix an unclear picture, inspect the permitted source dimensions and whether the same source looks different locally. A source which is already low detail cannot gain authentic original picture information from a higher conversion label alone.
Compare one controlled path
For an original test plan, use one short local clip which is permitted to cast, keep the receiver and connection unchanged, and record the current conversion setting. Compare only the relevant alternative setting if the installed version offers it, noting startup, motion and visible detail separately. Do not change the source file, wireless network and audio routing at the same time. Retain the initial value so the comparison can be reversed.
Keep audio routing separate
The documentation describes casting audio passthrough as letting the television manage audio rendering, with local rendering when disabled. That is another variable, so inspect it independently if the picture works but sound differs. Do not infer a subscription defect from a local versus receiver audio distinction. This article describes documented controls and an observation plan, not a tested receiver result, a universal quality recommendation or confirmation that UK IPTV offers the same casting path.