Chosen Solution

My speaker is making a crackling sound and not playing music or ringing

Hi, The loudspeaker may be clogged or faulty. Here’s a video that shows how to replace the loudspeaker in the phone. Here’s a link to some suppliers of the part. It is only shown to give you an idea of the cost of the part. There are other suppliers online that may suit you better. Just search for LG G5 loudspeaker to get results