HD Calling (VoLTE) very low volume, actually unusable volume on phone calls. Competing products don't have this issue. The only way to avoid it is to turn off LTE, and only use 2G or 3G. Why do the Jaybird X4's have this issue, and not two other different high end brands? I am running 1.40 FW after updating, and it is still the same issue.
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