Android · Research guidance. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Check the right feature
Google’s Live Caption is a device accessibility feature that transcribes supported audio. It is separate from a video’s supplied subtitle track. Availability varies by Android device, language and software. Start by confirming that the phone offers Live Caption and that the selected language is supported; do not assume every Android model has the same options.
Inspect battery saving
Google documents that Battery Saver automatically turns Live Caption off. If captioning disappeared after the battery became low, check that mode before resetting the player or clearing its stored data. Record the initial battery state. If you choose to turn Battery Saver off for a short test, make sure there is enough charge and remember to restore your preferred battery policy afterwards.
Open Live Caption deliberately
Use the Live Caption control available from the volume panel, or search Android settings for the feature. Manufacturer menus can differ. Initial language setup may need Wi-Fi to download its resources. Complete that setup before expecting offline caption processing. After setup, Google says the feature processes audio on the device without needing an internet connection for the captioning itself.
Test speech rather than music
Choose a short clip with clear dialogue. Google says Live Caption is designed for speech, does not caption music and may not work with some apps. Silence over a musical introduction is therefore a poor fault test. Watch for captions during a spoken sentence and record whether the text appears before comparing more difficult material.
Preserve the useful distinction
If turning off Battery Saver restores captions for supported speech, report that precise interaction. It does not establish that the streaming application changed its own subtitle availability or that the phone’s internet connection was repaired. Live Caption can also increase battery use, so choose a lasting arrangement that suits the device rather than keeping a diagnostic change indefinitely.
Questions, answered
Why did captions stop when the battery ran low?
Battery Saver can automatically turn Android Live Caption off.
Does music make a reliable test?
No. Google says the feature works on speech and does not caption music.