Hey there, sorry to hear about the Bluetooth troubles. It's frustrating when the system freezes, especially during music playback. It's odd that your LG V20 isn't on the approved list, but it shouldn't cause the BT module to freeze. Seems like a software glitch. Have you tried updating the NBT system firmware? Also, check if there's a reset option in the settings. If not, you might need a professional check.
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