The images and videos on the Internet are blurred, and noises are heard on videos.
Verify that the images and videos you check are not high in pixels. For non-HD images or videos, select the HD image source and video source, and then verify that they are normal. If other images and video files are fuzzy, it is recommended that you carry the purchase invoice to the outlets for detection.
All the mobile phones have passed strict audio tests. In normal cases, there is no noise. Play other audio sources (for example, the ringtone of the mobile phone) to check whether there is any noise. If not, your audio file may be faulty. Replace the audio file. If other audio files have noises, it is recommended that you carry the purchase invoice to the office for detection.
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